[SCSI] lpfc 8.3.25: Adapter Interface fixes and changes
[linux-2.6.git] / drivers / scsi / atari_NCR5380.c
index 2c12be7..2db79b4 100644 (file)
@@ -1,19 +1,19 @@
-/* 
+/*
  * NCR 5380 generic driver routines.  These should make it *trivial*
- *     to implement 5380 SCSI drivers under Linux with a non-trantor
+ *     to implement 5380 SCSI drivers under Linux with a non-trantor
  *     architecture.
  *
  *     Note that these routines also work with NR53c400 family chips.
  *
  * Copyright 1993, Drew Eckhardt
- *     Visionary Computing 
+ *     Visionary Computing
  *     (Unix and Linux consulting and custom programming)
- *     drew@colorado.edu
+ *     drew@colorado.edu
  *     +1 (303) 666-5836
  *
- * DISTRIBUTION RELEASE 6. 
+ * DISTRIBUTION RELEASE 6.
  *
- * For more information, please consult 
+ * For more information, please consult
  *
  * NCR 5380 Family
  * SCSI Protocol Controller
@@ -57,7 +57,7 @@
  * - I've deleted all the stuff for AUTOPROBE_IRQ, REAL_DMA_POLL, PSEUDO_DMA
  *    and USLEEP, because these were messing up readability and will never be
  *    needed for Atari SCSI.
- * 
+ *
  * - I've revised the NCR5380_main() calling scheme (relax the 'main_running'
  *   stuff), and 'main' is executed in a bottom half if awoken by an
  *   interrupt.
  */
 
 /*
- * Further development / testing that should be done : 
- * 1.  Test linked command handling code after Eric is ready with 
+ * Further development / testing that should be done :
+ * 1.  Test linked command handling code after Eric is ready with
  *     the high level code.
  */
 #include <scsi/scsi_dbg.h>
+#include <scsi/scsi_transport_spi.h>
 
 #if (NDEBUG & NDEBUG_LISTS)
-#define LIST(x,y) \
-  { printk("LINE:%d   Adding %p to %p\n", __LINE__, (void*)(x), (void*)(y)); \
-    if ((x)==(y)) udelay(5); }
-#define REMOVE(w,x,y,z) \
-  { printk("LINE:%d   Removing: %p->%p  %p->%p \n", __LINE__, \
-          (void*)(w), (void*)(x), (void*)(y), (void*)(z)); \
-    if ((x)==(y)) udelay(5); }
+#define LIST(x, y)                                             \
+       do {                                                    \
+               printk("LINE:%d   Adding %p to %p\n",           \
+                      __LINE__, (void*)(x), (void*)(y));       \
+               if ((x) == (y))                                 \
+                       udelay(5);                              \
+       } while (0)
+#define REMOVE(w, x, y, z)                                     \
+       do {                                                    \
+               printk("LINE:%d   Removing: %p->%p  %p->%p \n", \
+                      __LINE__, (void*)(w), (void*)(x),        \
+                      (void*)(y), (void*)(z));                 \
+               if ((x) == (y))                                 \
+                       udelay(5);                              \
+       } while (0)
 #else
 #define LIST(x,y)
 #define REMOVE(w,x,y,z)
  * more difficult than it has to be.
  *
  * Also, many of the SCSI drivers were written before the command queuing
- * routines were implemented, meaning their implementations of queued 
+ * routines were implemented, meaning their implementations of queued
  * commands were hacked on rather than designed in from the start.
  *
- * When I designed the Linux SCSI drivers I figured that 
+ * When I designed the Linux SCSI drivers I figured that
  * while having two different SCSI boards in a system might be useful
  * for debugging things, two of the same type wouldn't be used.
  * Well, I was wrong and a number of users have mailed me about running
  * multiple high-performance SCSI boards in a server.
  *
- * Finally, when I get questions from users, I have no idea what 
+ * Finally, when I get questions from users, I have no idea what
  * revision of my driver they are running.
  *
  * This driver attempts to address these problems :
- * This is a generic 5380 driver.  To use it on a different platform, 
+ * This is a generic 5380 driver.  To use it on a different platform,
  * one simply writes appropriate system specific macros (ie, data
- * transfer - some PC's will use the I/O bus, 68K's must use 
+ * transfer - some PC's will use the I/O bus, 68K's must use
  * memory mapped) and drops this file in their 'C' wrapper.
  *
- * As far as command queueing, two queues are maintained for 
+ * As far as command queueing, two queues are maintained for
  * each 5380 in the system - commands that haven't been issued yet,
- * and commands that are currently executing.  This means that an 
- * unlimited number of commands may be queued, letting 
- * more commands propagate from the higher driver levels giving higher 
- * throughput.  Note that both I_T_L and I_T_L_Q nexuses are supported, 
- * allowing multiple commands to propagate all the way to a SCSI-II device 
+ * and commands that are currently executing.  This means that an
+ * unlimited number of commands may be queued, letting
+ * more commands propagate from the higher driver levels giving higher
+ * throughput.  Note that both I_T_L and I_T_L_Q nexuses are supported,
+ * allowing multiple commands to propagate all the way to a SCSI-II device
  * while a command is already executing.
  *
- * To solve the multiple-boards-in-the-same-system problem, 
+ * To solve the multiple-boards-in-the-same-system problem,
  * there is a separate instance structure for each instance
  * of a 5380 in the system.  So, multiple NCR5380 drivers will
  * be able to coexist with appropriate changes to the high level
- * SCSI code.  
+ * SCSI code.
  *
  * A NCR5380_PUBLIC_REVISION macro is provided, with the release
- * number (updated for each public release) printed by the 
- * NCR5380_print_options command, which should be called from the 
+ * number (updated for each public release) printed by the
+ * NCR5380_print_options command, which should be called from the
  * wrapper detect function, so that I know what release of the driver
  * users are using.
  *
- * Issues specific to the NCR5380 : 
+ * Issues specific to the NCR5380 :
  *
- * When used in a PIO or pseudo-dma mode, the NCR5380 is a braindead 
- * piece of hardware that requires you to sit in a loop polling for 
- * the REQ signal as long as you are connected.  Some devices are 
- * brain dead (ie, many TEXEL CD ROM drives) and won't disconnect 
+ * When used in a PIO or pseudo-dma mode, the NCR5380 is a braindead
+ * piece of hardware that requires you to sit in a loop polling for
+ * the REQ signal as long as you are connected.  Some devices are
+ * brain dead (ie, many TEXEL CD ROM drives) and won't disconnect
  * while doing long seek operations.
- * 
+ *
  * The workaround for this is to keep track of devices that have
  * disconnected.  If the device hasn't disconnected, for commands that
- * should disconnect, we do something like 
+ * should disconnect, we do something like
  *
  * while (!REQ is asserted) { sleep for N usecs; poll for M usecs }
- * 
- * Some tweaking of N and M needs to be done.  An algorithm based 
+ *
+ * Some tweaking of N and M needs to be done.  An algorithm based
  * on "time to data" would give the best results as long as short time
- * to datas (ie, on the same track) were considered, however these 
+ * to datas (ie, on the same track) were considered, however these
  * broken devices are the exception rather than the rule and I'd rather
  * spend my time optimizing for the normal case.
  *
  * At the heart of the design is a coroutine, NCR5380_main,
  * which is started when not running by the interrupt handler,
  * timer, and queue command function.  It attempts to establish
- * I_T_L or I_T_L_Q nexuses by removing the commands from the 
- * issue queue and calling NCR5380_select() if a nexus 
- * is not established. 
+ * I_T_L or I_T_L_Q nexuses by removing the commands from the
+ * issue queue and calling NCR5380_select() if a nexus
+ * is not established.
  *
  * Once a nexus is established, the NCR5380_information_transfer()
  * phase goes through the various phases as instructed by the target.
  * calling NCR5380_intr()  which will in turn call NCR5380_reselect
  * to reestablish a nexus.  This will run main if necessary.
  *
- * On command termination, the done function will be called as 
+ * On command termination, the done function will be called as
  * appropriate.
  *
- * SCSI pointers are maintained in the SCp field of SCSI command 
+ * SCSI pointers are maintained in the SCp field of SCSI command
  * structures, being initialized after the command is connected
  * in NCR5380_select, and set as appropriate in NCR5380_information_transfer.
  * Note that in violation of the standard, an implicit SAVE POINTERS operation
 /*
  * Using this file :
  * This file a skeleton Linux SCSI driver for the NCR 5380 series
- * of chips.  To use it, you write an architecture specific functions 
+ * of chips.  To use it, you write an architecture specific functions
  * and macros and include this file in your driver.
  *
- * These macros control options : 
+ * These macros control options :
  * AUTOSENSE - if defined, REQUEST SENSE will be performed automatically
- *     for commands that return with a CHECK CONDITION status. 
+ *     for commands that return with a CHECK CONDITION status.
  *
  * LINKED - if defined, linked commands are supported.
  *
  * SUPPORT_TAGS - if defined, SCSI-2 tagged queuing is used where possible
  *
  * These macros MUST be defined :
- * 
+ *
  * NCR5380_read(register)  - read from the specified register
  *
- * NCR5380_write(register, value) - write to the specific register 
+ * NCR5380_write(register, value) - write to the specific register
  *
  * Either real DMA *or* pseudo DMA may be implemented
- * REAL functions : 
+ * REAL functions :
  * NCR5380_REAL_DMA should be defined if real DMA is to be used.
- * Note that the DMA setup functions should return the number of bytes 
+ * Note that the DMA setup functions should return the number of bytes
  *     that they were able to program the controller for.
  *
- * Also note that generic i386/PC versions of these macros are 
+ * Also note that generic i386/PC versions of these macros are
  *     available as NCR5380_i386_dma_write_setup,
  *     NCR5380_i386_dma_read_setup, and NCR5380_i386_dma_residual.
  *
  * NCR5380_pread(instance, dst, count);
  *
  * If nothing specific to this implementation needs doing (ie, with external
- * hardware), you must also define 
- *  
+ * hardware), you must also define
+ *
  * NCR5380_queue_command
  * NCR5380_reset
  * NCR5380_abort
  * NCR5380_proc_info
  *
- * to be the global entry points into the specific driver, ie 
+ * to be the global entry points into the specific driver, ie
  * #define NCR5380_queue_command t128_queue_command.
  *
  * If this is not done, the routines will be defined as static functions
  * accessible wrapper function.
  *
  * The generic driver is initialized by calling NCR5380_init(instance),
- * after setting the appropriate host specific fields and ID.  If the 
+ * after setting the appropriate host specific fields and ID.  If the
  * driver wishes to autoprobe for an IRQ line, the NCR5380_probe_irq(instance,
  * possible) function may be used.  Before the specific driver initialization
  * code finishes, NCR5380_print_options should be called.
  */
 
 static struct Scsi_Host *first_instance = NULL;
-static Scsi_Host_Template *the_template = NULL;
+static struct scsi_host_template *the_template = NULL;
 
 /* Macros ease life... :-) */
 #define        SETUP_HOSTDATA(in)                              \
@@ -263,8 +272,9 @@ static Scsi_Host_Template *the_template = NULL;
        (struct NCR5380_hostdata *)(in)->hostdata
 #define        HOSTDATA(in) ((struct NCR5380_hostdata *)(in)->hostdata)
 
-#define        NEXT(cmd)       ((Scsi_Cmnd *)((cmd)->host_scribble))
-#define        NEXTADDR(cmd)   ((Scsi_Cmnd **)&((cmd)->host_scribble))
+#define        NEXT(cmd)               ((Scsi_Cmnd *)(cmd)->host_scribble)
+#define        SET_NEXT(cmd,next)      ((cmd)->host_scribble = (void *)(next))
+#define        NEXTADDR(cmd)           ((Scsi_Cmnd **)&(cmd)->host_scribble)
 
 #define        HOSTNO          instance->host_no
 #define        H_NO(cmd)       (cmd)->device->host->host_no
@@ -311,34 +321,34 @@ static Scsi_Host_Template *the_template = NULL;
 #define TAG_NONE 0xff
 
 typedef struct {
-    DECLARE_BITMAP(allocated, MAX_TAGS);
-    int                nr_allocated;
-    int                queue_size;
+       DECLARE_BITMAP(allocated, MAX_TAGS);
+       int nr_allocated;
+       int queue_size;
 } TAG_ALLOC;
 
-static TAG_ALLOC TagAlloc[8][8]; /* 8 targets and 8 LUNs */
+static TAG_ALLOC TagAlloc[8][8];       /* 8 targets and 8 LUNs */
 
 
-static void __init init_tags( void )
+static void __init init_tags(void)
 {
-    int target, lun;
-    TAG_ALLOC *ta;
-    
-    if (!setup_use_tagged_queuing)
-       return;
-    
-    for( target = 0; target < 8; ++target ) {
-       for( lun = 0; lun < 8; ++lun ) {
-           ta = &TagAlloc[target][lun];
-           bitmap_zero(ta->allocated, MAX_TAGS);
-           ta->nr_allocated = 0;
-           /* At the beginning, assume the maximum queue size we could
-            * support (MAX_TAGS). This value will be decreased if the target
-            * returns QUEUE_FULL status.
-            */
-           ta->queue_size = MAX_TAGS;
+       int target, lun;
+       TAG_ALLOC *ta;
+
+       if (!setup_use_tagged_queuing)
+               return;
+
+       for (target = 0; target < 8; ++target) {
+               for (lun = 0; lun < 8; ++lun) {
+                       ta = &TagAlloc[target][lun];
+                       bitmap_zero(ta->allocated, MAX_TAGS);
+                       ta->nr_allocated = 0;
+                       /* At the beginning, assume the maximum queue size we could
+                        * support (MAX_TAGS). This value will be decreased if the target
+                        * returns QUEUE_FULL status.
+                        */
+                       ta->queue_size = MAX_TAGS;
+               }
        }
-    }
 }
 
 
@@ -347,24 +357,24 @@ static void __init init_tags( void )
  * check that there is a free tag and the target's queue won't overflow. This
  * function should be called with interrupts disabled to avoid race
  * conditions.
- */ 
+ */
 
-static int is_lun_busy( Scsi_Cmnd *cmd, int should_be_tagged )
+static int is_lun_busy(Scsi_Cmnd *cmd, int should_be_tagged)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-
-    if (hostdata->busy[cmd->device->id] & (1 << cmd->device->lun))
-       return( 1 );
-    if (!should_be_tagged ||
-       !setup_use_tagged_queuing || !cmd->device->tagged_supported)
-       return( 0 );
-    if (TagAlloc[cmd->device->id][cmd->device->lun].nr_allocated >=
-       TagAlloc[cmd->device->id][cmd->device->lun].queue_size ) {
-       TAG_PRINTK( "scsi%d: target %d lun %d: no free tags\n",
-                   H_NO(cmd), cmd->device->id, cmd->device->lun );
-       return( 1 );
-    }
-    return( 0 );
+       SETUP_HOSTDATA(cmd->device->host);
+
+       if (hostdata->busy[cmd->device->id] & (1 << cmd->device->lun))
+               return 1;
+       if (!should_be_tagged ||
+           !setup_use_tagged_queuing || !cmd->device->tagged_supported)
+               return 0;
+       if (TagAlloc[cmd->device->id][cmd->device->lun].nr_allocated >=
+           TagAlloc[cmd->device->id][cmd->device->lun].queue_size) {
+               TAG_PRINTK("scsi%d: target %d lun %d: no free tags\n",
+                          H_NO(cmd), cmd->device->id, cmd->device->lun);
+               return 1;
+       }
+       return 0;
 }
 
 
@@ -373,31 +383,30 @@ static int is_lun_busy( Scsi_Cmnd *cmd, int should_be_tagged )
  * untagged.
  */
 
-static void cmd_get_tag( Scsi_Cmnd *cmd, int should_be_tagged )
+static void cmd_get_tag(Scsi_Cmnd *cmd, int should_be_tagged)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-
-    /* If we or the target don't support tagged queuing, allocate the LUN for
-     * an untagged command.
-     */
-    if (!should_be_tagged ||
-       !setup_use_tagged_queuing || !cmd->device->tagged_supported) {
-       cmd->tag = TAG_NONE;
-       hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
-       TAG_PRINTK( "scsi%d: target %d lun %d now allocated by untagged "
-                   "command\n", H_NO(cmd), cmd->device->id, cmd->device->lun );
-    }
-    else {
-       TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
-
-       cmd->tag = find_first_zero_bit( ta->allocated, MAX_TAGS );
-       set_bit( cmd->tag, ta->allocated );
-       ta->nr_allocated++;
-       TAG_PRINTK( "scsi%d: using tag %d for target %d lun %d "
-                   "(now %d tags in use)\n",
-                   H_NO(cmd), cmd->tag, cmd->device->id, cmd->device->lun,
-                   ta->nr_allocated );
-    }
+       SETUP_HOSTDATA(cmd->device->host);
+
+       /* If we or the target don't support tagged queuing, allocate the LUN for
+        * an untagged command.
+        */
+       if (!should_be_tagged ||
+           !setup_use_tagged_queuing || !cmd->device->tagged_supported) {
+               cmd->tag = TAG_NONE;
+               hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+               TAG_PRINTK("scsi%d: target %d lun %d now allocated by untagged "
+                          "command\n", H_NO(cmd), cmd->device->id, cmd->device->lun);
+       } else {
+               TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
+
+               cmd->tag = find_first_zero_bit(ta->allocated, MAX_TAGS);
+               set_bit(cmd->tag, ta->allocated);
+               ta->nr_allocated++;
+               TAG_PRINTK("scsi%d: using tag %d for target %d lun %d "
+                          "(now %d tags in use)\n",
+                          H_NO(cmd), cmd->tag, cmd->device->id,
+                          cmd->device->lun, ta->nr_allocated);
+       }
 }
 
 
@@ -405,44 +414,42 @@ static void cmd_get_tag( Scsi_Cmnd *cmd, int should_be_tagged )
  * unlock the LUN.
  */
 
-static void cmd_free_tag( Scsi_Cmnd *cmd )
+static void cmd_free_tag(Scsi_Cmnd *cmd)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-
-    if (cmd->tag == TAG_NONE) {
-       hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
-       TAG_PRINTK( "scsi%d: target %d lun %d untagged cmd finished\n",
-                   H_NO(cmd), cmd->device->id, cmd->device->lun );
-    }
-    else if (cmd->tag >= MAX_TAGS) {
-       printk(KERN_NOTICE "scsi%d: trying to free bad tag %d!\n",
-               H_NO(cmd), cmd->tag );
-    }
-    else {
-       TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
-       clear_bit( cmd->tag, ta->allocated );
-       ta->nr_allocated--;
-       TAG_PRINTK( "scsi%d: freed tag %d for target %d lun %d\n",
-                   H_NO(cmd), cmd->tag, cmd->device->id, cmd->device->lun );
-    }
+       SETUP_HOSTDATA(cmd->device->host);
+
+       if (cmd->tag == TAG_NONE) {
+               hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+               TAG_PRINTK("scsi%d: target %d lun %d untagged cmd finished\n",
+                          H_NO(cmd), cmd->device->id, cmd->device->lun);
+       } else if (cmd->tag >= MAX_TAGS) {
+               printk(KERN_NOTICE "scsi%d: trying to free bad tag %d!\n",
+                      H_NO(cmd), cmd->tag);
+       } else {
+               TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
+               clear_bit(cmd->tag, ta->allocated);
+               ta->nr_allocated--;
+               TAG_PRINTK("scsi%d: freed tag %d for target %d lun %d\n",
+                          H_NO(cmd), cmd->tag, cmd->device->id, cmd->device->lun);
+       }
 }
 
 
-static void free_all_tags( void )
+static void free_all_tags(void)
 {
-    int target, lun;
-    TAG_ALLOC *ta;
-
-    if (!setup_use_tagged_queuing)
-       return;
-    
-    for( target = 0; target < 8; ++target ) {
-       for( lun = 0; lun < 8; ++lun ) {
-           ta = &TagAlloc[target][lun];
-           bitmap_zero(ta->allocated, MAX_TAGS);
-           ta->nr_allocated = 0;
+       int target, lun;
+       TAG_ALLOC *ta;
+
+       if (!setup_use_tagged_queuing)
+               return;
+
+       for (target = 0; target < 8; ++target) {
+               for (lun = 0; lun < 8; ++lun) {
+                       ta = &TagAlloc[target][lun];
+                       bitmap_zero(ta->allocated, MAX_TAGS);
+                       ta->nr_allocated = 0;
+               }
        }
-    }
 }
 
 #endif /* SUPPORT_TAGS */
@@ -457,93 +464,95 @@ static void free_all_tags( void )
  *
  * Parameters: Scsi_Cmnd *cmd
  *    The command to work on. The first scatter buffer's data are
- *    assumed to be already transfered into ptr/this_residual.
+ *    assumed to be already transferred into ptr/this_residual.
  */
 
-static void merge_contiguous_buffers( Scsi_Cmnd *cmd )
+static void merge_contiguous_buffers(Scsi_Cmnd *cmd)
 {
-    unsigned long endaddr;
+       unsigned long endaddr;
 #if (NDEBUG & NDEBUG_MERGING)
-    unsigned long oldlen = cmd->SCp.this_residual;
-    int                  cnt = 1;
+       unsigned long oldlen = cmd->SCp.this_residual;
+       int cnt = 1;
 #endif
 
-    for (endaddr = virt_to_phys(cmd->SCp.ptr + cmd->SCp.this_residual - 1) + 1;
-        cmd->SCp.buffers_residual &&
-        virt_to_phys(page_address(cmd->SCp.buffer[1].page)+
-                     cmd->SCp.buffer[1].offset) == endaddr; ) {
-       MER_PRINTK("VTOP(%p) == %08lx -> merging\n",
-                  cmd->SCp.buffer[1].address, endaddr);
+       for (endaddr = virt_to_phys(cmd->SCp.ptr + cmd->SCp.this_residual - 1) + 1;
+            cmd->SCp.buffers_residual &&
+            virt_to_phys(sg_virt(&cmd->SCp.buffer[1])) == endaddr;) {
+               MER_PRINTK("VTOP(%p) == %08lx -> merging\n",
+                          page_address(sg_page(&cmd->SCp.buffer[1])), endaddr);
 #if (NDEBUG & NDEBUG_MERGING)
-       ++cnt;
+               ++cnt;
 #endif
-       ++cmd->SCp.buffer;
-       --cmd->SCp.buffers_residual;
-       cmd->SCp.this_residual += cmd->SCp.buffer->length;
-       endaddr += cmd->SCp.buffer->length;
-    }
+               ++cmd->SCp.buffer;
+               --cmd->SCp.buffers_residual;
+               cmd->SCp.this_residual += cmd->SCp.buffer->length;
+               endaddr += cmd->SCp.buffer->length;
+       }
 #if (NDEBUG & NDEBUG_MERGING)
-    if (oldlen != cmd->SCp.this_residual)
-       MER_PRINTK("merged %d buffers from %p, new length %08x\n",
-                  cnt, cmd->SCp.ptr, cmd->SCp.this_residual);
+       if (oldlen != cmd->SCp.this_residual)
+               MER_PRINTK("merged %d buffers from %p, new length %08x\n",
+                          cnt, cmd->SCp.ptr, cmd->SCp.this_residual);
 #endif
 }
 
 /*
  * Function : void initialize_SCp(Scsi_Cmnd *cmd)
  *
- * Purpose : initialize the saved data pointers for cmd to point to the 
+ * Purpose : initialize the saved data pointers for cmd to point to the
  *     start of the buffer.
  *
  * Inputs : cmd - Scsi_Cmnd structure to have pointers reset.
  */
 
-static __inline__ void initialize_SCp(Scsi_Cmnd *cmd)
+static inline void initialize_SCp(Scsi_Cmnd *cmd)
 {
-    /* 
-     * Initialize the Scsi Pointer field so that all of the commands in the 
-     * various queues are valid.
-     */
-
-    if (cmd->use_sg) {
-       cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
-       cmd->SCp.buffers_residual = cmd->use_sg - 1;
-       cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page)+
-                      cmd->SCp.buffer->offset;
-       cmd->SCp.this_residual = cmd->SCp.buffer->length;
-       /* ++roman: Try to merge some scatter-buffers if they are at
-        * contiguous physical addresses.
+       /*
+        * Initialize the Scsi Pointer field so that all of the commands in the
+        * various queues are valid.
         */
-       merge_contiguous_buffers( cmd );
-    } else {
-       cmd->SCp.buffer = NULL;
-       cmd->SCp.buffers_residual = 0;
-       cmd->SCp.ptr = (char *) cmd->request_buffer;
-       cmd->SCp.this_residual = cmd->request_bufflen;
-    }
+
+       if (scsi_bufflen(cmd)) {
+               cmd->SCp.buffer = scsi_sglist(cmd);
+               cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
+               cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
+               cmd->SCp.this_residual = cmd->SCp.buffer->length;
+               /* ++roman: Try to merge some scatter-buffers if they are at
+                * contiguous physical addresses.
+                */
+               merge_contiguous_buffers(cmd);
+       } else {
+               cmd->SCp.buffer = NULL;
+               cmd->SCp.buffers_residual = 0;
+               cmd->SCp.ptr = NULL;
+               cmd->SCp.this_residual = 0;
+       }
 }
 
-#include <linux/config.h>
 #include <linux/delay.h>
 
 #if NDEBUG
 static struct {
-    unsigned char mask;
-    const char * name;} 
-signals[] = {{ SR_DBP, "PARITY"}, { SR_RST, "RST" }, { SR_BSY, "BSY" }, 
-    { SR_REQ, "REQ" }, { SR_MSG, "MSG" }, { SR_CD,  "CD" }, { SR_IO, "IO" }, 
-    { SR_SEL, "SEL" }, {0, NULL}}, 
-basrs[] = {{BASR_ATN, "ATN"}, {BASR_ACK, "ACK"}, {0, NULL}},
-icrs[] = {{ICR_ASSERT_RST, "ASSERT RST"},{ICR_ASSERT_ACK, "ASSERT ACK"},
-    {ICR_ASSERT_BSY, "ASSERT BSY"}, {ICR_ASSERT_SEL, "ASSERT SEL"}, 
-    {ICR_ASSERT_ATN, "ASSERT ATN"}, {ICR_ASSERT_DATA, "ASSERT DATA"}, 
-    {0, NULL}},
-mrs[] = {{MR_BLOCK_DMA_MODE, "MODE BLOCK DMA"}, {MR_TARGET, "MODE TARGET"}, 
-    {MR_ENABLE_PAR_CHECK, "MODE PARITY CHECK"}, {MR_ENABLE_PAR_INTR, 
-    "MODE PARITY INTR"}, {MR_ENABLE_EOP_INTR,"MODE EOP INTR"},
-    {MR_MONITOR_BSY, "MODE MONITOR BSY"},
-    {MR_DMA_MODE, "MODE DMA"}, {MR_ARBITRATE, "MODE ARBITRATION"}, 
-    {0, NULL}};
+       unsigned char mask;
+       const char *name;
+} signals[] = {
+       { SR_DBP, "PARITY"}, { SR_RST, "RST" }, { SR_BSY, "BSY" },
+       { SR_REQ, "REQ" }, { SR_MSG, "MSG" }, { SR_CD,  "CD" }, { SR_IO, "IO" },
+       { SR_SEL, "SEL" }, {0, NULL}
+}, basrs[] = {
+       {BASR_ATN, "ATN"}, {BASR_ACK, "ACK"}, {0, NULL}
+}, icrs[] = {
+       {ICR_ASSERT_RST, "ASSERT RST"},{ICR_ASSERT_ACK, "ASSERT ACK"},
+       {ICR_ASSERT_BSY, "ASSERT BSY"}, {ICR_ASSERT_SEL, "ASSERT SEL"},
+       {ICR_ASSERT_ATN, "ASSERT ATN"}, {ICR_ASSERT_DATA, "ASSERT DATA"},
+       {0, NULL}
+}, mrs[] = {
+       {MR_BLOCK_DMA_MODE, "MODE BLOCK DMA"}, {MR_TARGET, "MODE TARGET"},
+       {MR_ENABLE_PAR_CHECK, "MODE PARITY CHECK"}, {MR_ENABLE_PAR_INTR,
+       "MODE PARITY INTR"}, {MR_ENABLE_EOP_INTR,"MODE EOP INTR"},
+       {MR_MONITOR_BSY, "MODE MONITOR BSY"},
+       {MR_DMA_MODE, "MODE DMA"}, {MR_ARBITRATE, "MODE ARBITRATION"},
+       {0, NULL}
+};
 
 /*
  * Function : void NCR5380_print(struct Scsi_Host *instance)
@@ -553,45 +562,47 @@ mrs[] = {{MR_BLOCK_DMA_MODE, "MODE BLOCK DMA"}, {MR_TARGET, "MODE TARGET"},
  * Input : instance - which NCR5380
  */
 
-static void NCR5380_print(struct Scsi_Host *instance) {
-    unsigned char status, data, basr, mr, icr, i;
-    unsigned long flags;
-
-    local_irq_save(flags);
-    data = NCR5380_read(CURRENT_SCSI_DATA_REG);
-    status = NCR5380_read(STATUS_REG);
-    mr = NCR5380_read(MODE_REG);
-    icr = NCR5380_read(INITIATOR_COMMAND_REG);
-    basr = NCR5380_read(BUS_AND_STATUS_REG);
-    local_irq_restore(flags);
-    printk("STATUS_REG: %02x ", status);
-    for (i = 0; signals[i].mask ; ++i) 
-       if (status & signals[i].mask)
-           printk(",%s", signals[i].name);
-    printk("\nBASR: %02x ", basr);
-    for (i = 0; basrs[i].mask ; ++i) 
-       if (basr & basrs[i].mask)
-           printk(",%s", basrs[i].name);
-    printk("\nICR: %02x ", icr);
-    for (i = 0; icrs[i].mask; ++i) 
-       if (icr & icrs[i].mask)
-           printk(",%s", icrs[i].name);
-    printk("\nMODE: %02x ", mr);
-    for (i = 0; mrs[i].mask; ++i) 
-       if (mr & mrs[i].mask)
-           printk(",%s", mrs[i].name);
-    printk("\n");
+static void NCR5380_print(struct Scsi_Host *instance)
+{
+       unsigned char status, data, basr, mr, icr, i;
+       unsigned long flags;
+
+       local_irq_save(flags);
+       data = NCR5380_read(CURRENT_SCSI_DATA_REG);
+       status = NCR5380_read(STATUS_REG);
+       mr = NCR5380_read(MODE_REG);
+       icr = NCR5380_read(INITIATOR_COMMAND_REG);
+       basr = NCR5380_read(BUS_AND_STATUS_REG);
+       local_irq_restore(flags);
+       printk("STATUS_REG: %02x ", status);
+       for (i = 0; signals[i].mask; ++i)
+               if (status & signals[i].mask)
+                       printk(",%s", signals[i].name);
+       printk("\nBASR: %02x ", basr);
+       for (i = 0; basrs[i].mask; ++i)
+               if (basr & basrs[i].mask)
+                       printk(",%s", basrs[i].name);
+       printk("\nICR: %02x ", icr);
+       for (i = 0; icrs[i].mask; ++i)
+               if (icr & icrs[i].mask)
+                       printk(",%s", icrs[i].name);
+       printk("\nMODE: %02x ", mr);
+       for (i = 0; mrs[i].mask; ++i)
+               if (mr & mrs[i].mask)
+                       printk(",%s", mrs[i].name);
+       printk("\n");
 }
 
 static struct {
-    unsigned char value;
-    const char *name;
+       unsigned char value;
+       const char *name;
 } phases[] = {
-    {PHASE_DATAOUT, "DATAOUT"}, {PHASE_DATAIN, "DATAIN"}, {PHASE_CMDOUT, "CMDOUT"},
-    {PHASE_STATIN, "STATIN"}, {PHASE_MSGOUT, "MSGOUT"}, {PHASE_MSGIN, "MSGIN"},
-    {PHASE_UNKNOWN, "UNKNOWN"}};
+       {PHASE_DATAOUT, "DATAOUT"}, {PHASE_DATAIN, "DATAIN"}, {PHASE_CMDOUT, "CMDOUT"},
+       {PHASE_STATIN, "STATIN"}, {PHASE_MSGOUT, "MSGOUT"}, {PHASE_MSGIN, "MSGIN"},
+       {PHASE_UNKNOWN, "UNKNOWN"}
+};
 
-/* 
+/*
  * Function : void NCR5380_print_phase(struct Scsi_Host *instance)
  *
  * Purpose : print the current SCSI phase for debugging purposes
@@ -601,30 +612,35 @@ static struct {
 
 static void NCR5380_print_phase(struct Scsi_Host *instance)
 {
-    unsigned char status;
-    int i;
-
-    status = NCR5380_read(STATUS_REG);
-    if (!(status & SR_REQ)) 
-       printk(KERN_DEBUG "scsi%d: REQ not asserted, phase unknown.\n", HOSTNO);
-    else {
-       for (i = 0; (phases[i].value != PHASE_UNKNOWN) && 
-           (phases[i].value != (status & PHASE_MASK)); ++i); 
-       printk(KERN_DEBUG "scsi%d: phase %s\n", HOSTNO, phases[i].name);
-    }
+       unsigned char status;
+       int i;
+
+       status = NCR5380_read(STATUS_REG);
+       if (!(status & SR_REQ))
+               printk(KERN_DEBUG "scsi%d: REQ not asserted, phase unknown.\n", HOSTNO);
+       else {
+               for (i = 0; (phases[i].value != PHASE_UNKNOWN) &&
+                    (phases[i].value != (status & PHASE_MASK)); ++i)
+                       ;
+               printk(KERN_DEBUG "scsi%d: phase %s\n", HOSTNO, phases[i].name);
+       }
 }
 
 #else /* !NDEBUG */
 
 /* dummies... */
-__inline__ void NCR5380_print(struct Scsi_Host *instance) { };
-__inline__ void NCR5380_print_phase(struct Scsi_Host *instance) { };
+static inline void NCR5380_print(struct Scsi_Host *instance)
+{
+};
+static inline void NCR5380_print_phase(struct Scsi_Host *instance)
+{
+};
 
 #endif
 
 /*
  * ++roman: New scheme of calling NCR5380_main()
- * 
+ *
  * If we're not in an interrupt, we can call our main directly, it cannot be
  * already running. Else, we queue it on a task queue, if not 'main_running'
  * tells us that a lower level is already executing it. This way,
@@ -635,36 +651,37 @@ __inline__ void NCR5380_print_phase(struct Scsi_Host *instance) { };
  * interrupt or bottom half.
  */
 
+#include <linux/gfp.h>
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
 
-static volatile int main_running = 0;
-static DECLARE_WORK(NCR5380_tqueue, (void (*)(void*))NCR5380_main, NULL);
+static volatile int main_running;
+static DECLARE_WORK(NCR5380_tqueue, NCR5380_main);
 
-static __inline__ void queue_main(void)
+static inline void queue_main(void)
 {
-    if (!main_running) {
-       /* If in interrupt and NCR5380_main() not already running,
-          queue it on the 'immediate' task queue, to be processed
-          immediately after the current interrupt processing has
-          finished. */
-       schedule_work(&NCR5380_tqueue);
-    }
-    /* else: nothing to do: the running NCR5380_main() will pick up
-       any newly queued command. */
+       if (!main_running) {
+               /* If in interrupt and NCR5380_main() not already running,
+                  queue it on the 'immediate' task queue, to be processed
+                  immediately after the current interrupt processing has
+                  finished. */
+               schedule_work(&NCR5380_tqueue);
+       }
+       /* else: nothing to do: the running NCR5380_main() will pick up
+          any newly queued command. */
 }
 
 
-static inline void NCR5380_all_init (void)
+static inline void NCR5380_all_init(void)
 {
-    static int done = 0;
-    if (!done) {
-       INI_PRINTK("scsi : NCR5380_all_init()\n");
-       done = 1;
-    }
+       static int done = 0;
+       if (!done) {
+               INI_PRINTK("scsi : NCR5380_all_init()\n");
+               done = 1;
+       }
 }
 
+
 /*
  * Function : void NCR58380_print_options (struct Scsi_Host *instance)
  *
@@ -674,23 +691,23 @@ static inline void NCR5380_all_init (void)
  * Inputs : instance, pointer to this instance.  Unused.
  */
 
-static void __init NCR5380_print_options (struct Scsi_Host *instance)
+static void __init NCR5380_print_options(struct Scsi_Host *instance)
 {
-    printk(" generic options"
-#ifdef AUTOSENSE 
-    " AUTOSENSE"
+       printk(" generic options"
+#ifdef AUTOSENSE
+              " AUTOSENSE"
 #endif
 #ifdef REAL_DMA
-    " REAL DMA"
+              " REAL DMA"
 #endif
 #ifdef PARITY
-    " PARITY"
+              " PARITY"
 #endif
 #ifdef SUPPORT_TAGS
-    " SCSI-2 TAGGED QUEUING"
+              " SCSI-2 TAGGED QUEUING"
 #endif
-    );
-    printk(" generic release=%d", NCR5380_PUBLIC_RELEASE);
+              );
+       printk(" generic release=%d", NCR5380_PUBLIC_RELEASE);
 }
 
 /*
@@ -699,27 +716,27 @@ static void __init NCR5380_print_options (struct Scsi_Host *instance)
  * Purpose : print commands in the various queues, called from
  *     NCR5380_abort and NCR5380_debug to aid debugging.
  *
- * Inputs : instance, pointer to this instance.  
+ * Inputs : instance, pointer to this instance.
  */
 
-static void NCR5380_print_status (struct Scsi_Host *instance)
+static void NCR5380_print_status(struct Scsi_Host *instance)
 {
-    char *pr_bfr;
-    char *start;
-    int len;
-
-    NCR_PRINT(NDEBUG_ANY);
-    NCR_PRINT_PHASE(NDEBUG_ANY);
-
-    pr_bfr = (char *) __get_free_page(GFP_ATOMIC);
-    if (!pr_bfr) {
-       printk("NCR5380_print_status: no memory for print buffer\n");
-       return;
-    }
-    len = NCR5380_proc_info(pr_bfr, &start, 0, PAGE_SIZE, HOSTNO, 0);
-    pr_bfr[len] = 0;
-    printk("\n%s\n", pr_bfr);
-    free_page((unsigned long) pr_bfr);
+       char *pr_bfr;
+       char *start;
+       int len;
+
+       NCR_PRINT(NDEBUG_ANY);
+       NCR_PRINT_PHASE(NDEBUG_ANY);
+
+       pr_bfr = (char *)__get_free_page(GFP_ATOMIC);
+       if (!pr_bfr) {
+               printk("NCR5380_print_status: no memory for print buffer\n");
+               return;
+       }
+       len = NCR5380_proc_info(instance, pr_bfr, &start, 0, PAGE_SIZE, 0);
+       pr_bfr[len] = 0;
+       printk("\n%s\n", pr_bfr);
+       free_page((unsigned long)pr_bfr);
 }
 
 
@@ -738,443 +755,444 @@ static void NCR5380_print_status (struct Scsi_Host *instance)
 */
 
 #undef SPRINTF
-#define SPRINTF(fmt,args...) \
-  do { if (pos + strlen(fmt) + 20 /* slop */ < buffer + length) \
-        pos += sprintf(pos, fmt , ## args); } while(0)
-static
-char *lprint_Scsi_Cmnd (Scsi_Cmnd *cmd, char *pos, char *buffer, int length);
-
-static
-int NCR5380_proc_info (struct Scsi_Host *instance, char *buffer, char **start, off_t offset,
-                      int length, int inout)
+#define SPRINTF(fmt,args...)                                                   \
+       do {                                                                    \
+               if (pos + strlen(fmt) + 20 /* slop */ < buffer + length)        \
+                       pos += sprintf(pos, fmt , ## args);                     \
+       } while(0)
+static char *lprint_Scsi_Cmnd(Scsi_Cmnd *cmd, char *pos, char *buffer, int length);
+
+static int NCR5380_proc_info(struct Scsi_Host *instance, char *buffer,
+                            char **start, off_t offset, int length, int inout)
 {
-    char *pos = buffer;
-    struct NCR5380_hostdata *hostdata;
-    Scsi_Cmnd *ptr;
-    unsigned long flags;
-    off_t begin = 0;
-#define check_offset()                         \
-    do {                                       \
-       if (pos - buffer < offset - begin) {    \
-           begin += pos - buffer;              \
-           pos = buffer;                       \
-       }                                       \
-    } while (0)
-
-    hostdata = (struct NCR5380_hostdata *)instance->hostdata;
-
-    if (inout) { /* Has data been written to the file ? */
-       return(-ENOSYS);  /* Currently this is a no-op */
-    }
-    SPRINTF("NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
-    check_offset();
-    local_irq_save(flags);
-    SPRINTF("NCR5380: coroutine is%s running.\n", main_running ? "" : "n't");
-    check_offset();
-    if (!hostdata->connected)
-       SPRINTF("scsi%d: no currently connected command\n", HOSTNO);
-    else
-       pos = lprint_Scsi_Cmnd ((Scsi_Cmnd *) hostdata->connected,
-                               pos, buffer, length);
-    SPRINTF("scsi%d: issue_queue\n", HOSTNO);
-    check_offset();
-    for (ptr = (Scsi_Cmnd *) hostdata->issue_queue; ptr; ptr = NEXT(ptr)) {
-       pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
+       char *pos = buffer;
+       struct NCR5380_hostdata *hostdata;
+       Scsi_Cmnd *ptr;
+       unsigned long flags;
+       off_t begin = 0;
+#define check_offset()                                 \
+       do {                                            \
+               if (pos - buffer < offset - begin) {    \
+                       begin += pos - buffer;          \
+                       pos = buffer;                   \
+               }                                       \
+       } while (0)
+
+       hostdata = (struct NCR5380_hostdata *)instance->hostdata;
+
+       if (inout)                      /* Has data been written to the file ? */
+               return -ENOSYS;         /* Currently this is a no-op */
+       SPRINTF("NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
+       check_offset();
+       local_irq_save(flags);
+       SPRINTF("NCR5380: coroutine is%s running.\n",
+               main_running ? "" : "n't");
        check_offset();
-    }
+       if (!hostdata->connected)
+               SPRINTF("scsi%d: no currently connected command\n", HOSTNO);
+       else
+               pos = lprint_Scsi_Cmnd((Scsi_Cmnd *) hostdata->connected,
+                                      pos, buffer, length);
+       SPRINTF("scsi%d: issue_queue\n", HOSTNO);
+       check_offset();
+       for (ptr = (Scsi_Cmnd *)hostdata->issue_queue; ptr; ptr = NEXT(ptr)) {
+               pos = lprint_Scsi_Cmnd(ptr, pos, buffer, length);
+               check_offset();
+       }
 
-    SPRINTF("scsi%d: disconnected_queue\n", HOSTNO);
-    check_offset();
-    for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
-        ptr = NEXT(ptr)) {
-       pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
+       SPRINTF("scsi%d: disconnected_queue\n", HOSTNO);
        check_offset();
-    }
+       for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
+            ptr = NEXT(ptr)) {
+               pos = lprint_Scsi_Cmnd(ptr, pos, buffer, length);
+               check_offset();
+       }
 
-    local_irq_restore(flags);
-    *start = buffer + (offset - begin);
-    if (pos - buffer < offset - begin)
-       return 0;
-    else if (pos - buffer - (offset - begin) < length)
-       return pos - buffer - (offset - begin);
-    return length;
+       local_irq_restore(flags);
+       *start = buffer + (offset - begin);
+       if (pos - buffer < offset - begin)
+               return 0;
+       else if (pos - buffer - (offset - begin) < length)
+               return pos - buffer - (offset - begin);
+       return length;
 }
 
-static char *
-lprint_Scsi_Cmnd (Scsi_Cmnd *cmd, char *pos, char *buffer, int length)
+static char *lprint_Scsi_Cmnd(Scsi_Cmnd *cmd, char *pos, char *buffer, int length)
 {
-    int i, s;
-    unsigned char *command;
-    SPRINTF("scsi%d: destination target %d, lun %d\n",
-           H_NO(cmd), cmd->device->id, cmd->device->lun);
-    SPRINTF("        command = ");
-    command = cmd->cmnd;
-    SPRINTF("%2d (0x%02x)", command[0], command[0]);
-    for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
-       SPRINTF(" %02x", command[i]);
-    SPRINTF("\n");
-    return pos;
+       int i, s;
+       unsigned char *command;
+       SPRINTF("scsi%d: destination target %d, lun %d\n",
+               H_NO(cmd), cmd->device->id, cmd->device->lun);
+       SPRINTF("        command = ");
+       command = cmd->cmnd;
+       SPRINTF("%2d (0x%02x)", command[0], command[0]);
+       for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
+               SPRINTF(" %02x", command[i]);
+       SPRINTF("\n");
+       return pos;
 }
 
 
-/* 
+/*
  * Function : void NCR5380_init (struct Scsi_Host *instance)
  *
  * Purpose : initializes *instance and corresponding 5380 chip.
  *
- * Inputs : instance - instantiation of the 5380 driver.  
+ * Inputs : instance - instantiation of the 5380 driver.
  *
  * Notes : I assume that the host, hostno, and id bits have been
- *     set correctly.  I don't care about the irq and other fields. 
- * 
+ *     set correctly.  I don't care about the irq and other fields.
+ *
  */
 
-static int NCR5380_init (struct Scsi_Host *instance, int flags)
+static int __init NCR5380_init(struct Scsi_Host *instance, int flags)
 {
-    int i;
-    SETUP_HOSTDATA(instance);
-
-    NCR5380_all_init();
-
-    hostdata->aborted = 0;
-    hostdata->id_mask = 1 << instance->this_id;
-    hostdata->id_higher_mask = 0;
-    for (i = hostdata->id_mask; i <= 0x80; i <<= 1)
-       if (i > hostdata->id_mask)
-           hostdata->id_higher_mask |= i;
-    for (i = 0; i < 8; ++i)
-       hostdata->busy[i] = 0;
+       int i;
+       SETUP_HOSTDATA(instance);
+
+       NCR5380_all_init();
+
+       hostdata->aborted = 0;
+       hostdata->id_mask = 1 << instance->this_id;
+       hostdata->id_higher_mask = 0;
+       for (i = hostdata->id_mask; i <= 0x80; i <<= 1)
+               if (i > hostdata->id_mask)
+                       hostdata->id_higher_mask |= i;
+       for (i = 0; i < 8; ++i)
+               hostdata->busy[i] = 0;
 #ifdef SUPPORT_TAGS
-    init_tags();
+       init_tags();
 #endif
 #if defined (REAL_DMA)
-    hostdata->dma_len = 0;
+       hostdata->dma_len = 0;
 #endif
-    hostdata->targets_present = 0;
-    hostdata->connected = NULL;
-    hostdata->issue_queue = NULL;
-    hostdata->disconnected_queue = NULL;
-    hostdata->flags = FLAG_CHECK_LAST_BYTE_SENT;
-
-    if (!the_template) {
-       the_template = instance->hostt;
-       first_instance = instance;
-    }
-       
+       hostdata->targets_present = 0;
+       hostdata->connected = NULL;
+       hostdata->issue_queue = NULL;
+       hostdata->disconnected_queue = NULL;
+       hostdata->flags = FLAG_CHECK_LAST_BYTE_SENT;
+
+       if (!the_template) {
+               the_template = instance->hostt;
+               first_instance = instance;
+       }
 
 #ifndef AUTOSENSE
-    if ((instance->cmd_per_lun > 1) || (instance->can_queue > 1))
-        printk("scsi%d: WARNING : support for multiple outstanding commands enabled\n"
-               "        without AUTOSENSE option, contingent allegiance conditions may\n"
-               "        be incorrectly cleared.\n", HOSTNO);
+       if ((instance->cmd_per_lun > 1) || (instance->can_queue > 1))
+               printk("scsi%d: WARNING : support for multiple outstanding commands enabled\n"
+                      "        without AUTOSENSE option, contingent allegiance conditions may\n"
+                      "        be incorrectly cleared.\n", HOSTNO);
 #endif /* def AUTOSENSE */
 
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-    NCR5380_write(MODE_REG, MR_BASE);
-    NCR5380_write(TARGET_COMMAND_REG, 0);
-    NCR5380_write(SELECT_ENABLE_REG, 0);
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+       NCR5380_write(MODE_REG, MR_BASE);
+       NCR5380_write(TARGET_COMMAND_REG, 0);
+       NCR5380_write(SELECT_ENABLE_REG, 0);
 
-    return 0;
+       return 0;
 }
 
-/* 
- * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd, 
- *     void (*done)(Scsi_Cmnd *)) 
+static void NCR5380_exit(struct Scsi_Host *instance)
+{
+       /* Empty, as we didn't schedule any delayed work */
+}
+
+/*
+ * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd,
+ *     void (*done)(Scsi_Cmnd *))
  *
  * Purpose :  enqueues a SCSI command
  *
  * Inputs : cmd - SCSI command, done - function called on completion, with
  *     a pointer to the command descriptor.
- * 
+ *
  * Returns : 0
  *
- * Side effects : 
- *      cmd is added to the per instance issue_queue, with minor 
- *     twiddling done to the host specific fields of cmd.  If the 
+ * Side effects :
+ *      cmd is added to the per instance issue_queue, with minor
+ *     twiddling done to the host specific fields of cmd.  If the
  *     main coroutine is not running, it is restarted.
  *
  */
 
-static
-int NCR5380_queue_command (Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
+static int NCR5380_queue_command_lck(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
 {
-    SETUP_HOSTDATA(cmd->device->host);
-    Scsi_Cmnd *tmp;
-    int oldto;
-    unsigned long flags;
-    extern int update_timeout(Scsi_Cmnd * SCset, int timeout);
+       SETUP_HOSTDATA(cmd->device->host);
+       Scsi_Cmnd *tmp;
+       unsigned long flags;
 
 #if (NDEBUG & NDEBUG_NO_WRITE)
-    switch (cmd->cmnd[0]) {
-    case WRITE_6:
-    case WRITE_10:
-       printk(KERN_NOTICE "scsi%d: WRITE attempted with NO_WRITE debugging flag set\n",
-              H_NO(cmd));
-       cmd->result = (DID_ERROR << 16);
-       done(cmd);
-       return 0;
-    }
+       switch (cmd->cmnd[0]) {
+       case WRITE_6:
+       case WRITE_10:
+               printk(KERN_NOTICE "scsi%d: WRITE attempted with NO_WRITE debugging flag set\n",
+                      H_NO(cmd));
+               cmd->result = (DID_ERROR << 16);
+               done(cmd);
+               return 0;
+       }
 #endif /* (NDEBUG & NDEBUG_NO_WRITE) */
 
-
 #ifdef NCR5380_STATS
 # if 0
-    if (!hostdata->connected && !hostdata->issue_queue &&
-       !hostdata->disconnected_queue) {
-       hostdata->timebase = jiffies;
-    }
+       if (!hostdata->connected && !hostdata->issue_queue &&
+           !hostdata->disconnected_queue) {
+               hostdata->timebase = jiffies;
+       }
 # endif
 # ifdef NCR5380_STAT_LIMIT
-    if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+       if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT)
 # endif
-       switch (cmd->cmnd[0])
-       {
-           case WRITE:
-           case WRITE_6:
-           case WRITE_10:
-               hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
-               hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;
-               hostdata->pendingw++;
-               break;
-           case READ:
-           case READ_6:
-           case READ_10:
-               hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
-               hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;
-               hostdata->pendingr++;
-               break;
-       }
+               switch (cmd->cmnd[0]) {
+               case WRITE:
+               case WRITE_6:
+               case WRITE_10:
+                       hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
+                       hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);
+                       hostdata->pendingw++;
+                       break;
+               case READ:
+               case READ_6:
+               case READ_10:
+                       hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
+                       hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);
+                       hostdata->pendingr++;
+                       break;
+               }
 #endif
 
-    /* 
-     * We use the host_scribble field as a pointer to the next command  
-     * in a queue 
-     */
-
-    NEXT(cmd) = NULL;
-    cmd->scsi_done = done;
-
-    cmd->result = 0;
-
-
-    /* 
-     * Insert the cmd into the issue queue. Note that REQUEST SENSE 
-     * commands are added to the head of the queue since any command will
-     * clear the contingent allegiance condition that exists and the 
-     * sense data is only guaranteed to be valid while the condition exists.
-     */
-
-    local_irq_save(flags);
-    /* ++guenther: now that the issue queue is being set up, we can lock ST-DMA.
-     * Otherwise a running NCR5380_main may steal the lock.
-     * Lock before actually inserting due to fairness reasons explained in
-     * atari_scsi.c. If we insert first, then it's impossible for this driver
-     * to release the lock.
-     * Stop timer for this command while waiting for the lock, or timeouts
-     * may happen (and they really do), and it's no good if the command doesn't
-     * appear in any of the queues.
-     * ++roman: Just disabling the NCR interrupt isn't sufficient here,
-     * because also a timer int can trigger an abort or reset, which would
-     * alter queues and touch the lock.
-     */
-    if (!IS_A_TT()) {
-       oldto = update_timeout(cmd, 0);
-       falcon_get_lock();
-       update_timeout(cmd, oldto);
-    }
-    if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) {
-       LIST(cmd, hostdata->issue_queue);
-       NEXT(cmd) = hostdata->issue_queue;
-       hostdata->issue_queue = cmd;
-    } else {
-       for (tmp = (Scsi_Cmnd *)hostdata->issue_queue;
-            NEXT(tmp); tmp = NEXT(tmp))
-           ;
-       LIST(cmd, tmp);
-       NEXT(tmp) = cmd;
-    }
-    local_irq_restore(flags);
-
-    QU_PRINTK("scsi%d: command added to %s of queue\n", H_NO(cmd),
-             (cmd->cmnd[0] == REQUEST_SENSE) ? "head" : "tail");
-
-    /* If queue_command() is called from an interrupt (real one or bottom
-     * half), we let queue_main() do the job of taking care about main. If it
-     * is already running, this is a no-op, else main will be queued.
-     *
-     * If we're not in an interrupt, we can call NCR5380_main()
-     * unconditionally, because it cannot be already running.
-     */
-    if (in_interrupt() || ((flags >> 8) & 7) >= 6)
-       queue_main();
-    else
-       NCR5380_main(NULL);
-    return 0;
+       /*
+        * We use the host_scribble field as a pointer to the next command
+        * in a queue
+        */
+
+       SET_NEXT(cmd, NULL);
+       cmd->scsi_done = done;
+
+       cmd->result = 0;
+
+       /*
+        * Insert the cmd into the issue queue. Note that REQUEST SENSE
+        * commands are added to the head of the queue since any command will
+        * clear the contingent allegiance condition that exists and the
+        * sense data is only guaranteed to be valid while the condition exists.
+        */
+
+       local_irq_save(flags);
+       /* ++guenther: now that the issue queue is being set up, we can lock ST-DMA.
+        * Otherwise a running NCR5380_main may steal the lock.
+        * Lock before actually inserting due to fairness reasons explained in
+        * atari_scsi.c. If we insert first, then it's impossible for this driver
+        * to release the lock.
+        * Stop timer for this command while waiting for the lock, or timeouts
+        * may happen (and they really do), and it's no good if the command doesn't
+        * appear in any of the queues.
+        * ++roman: Just disabling the NCR interrupt isn't sufficient here,
+        * because also a timer int can trigger an abort or reset, which would
+        * alter queues and touch the lock.
+        */
+       if (!IS_A_TT()) {
+               /* perhaps stop command timer here */
+               falcon_get_lock();
+               /* perhaps restart command timer here */
+       }
+       if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) {
+               LIST(cmd, hostdata->issue_queue);
+               SET_NEXT(cmd, hostdata->issue_queue);
+               hostdata->issue_queue = cmd;
+       } else {
+               for (tmp = (Scsi_Cmnd *)hostdata->issue_queue;
+                    NEXT(tmp); tmp = NEXT(tmp))
+                       ;
+               LIST(cmd, tmp);
+               SET_NEXT(tmp, cmd);
+       }
+       local_irq_restore(flags);
+
+       QU_PRINTK("scsi%d: command added to %s of queue\n", H_NO(cmd),
+                 (cmd->cmnd[0] == REQUEST_SENSE) ? "head" : "tail");
+
+       /* If queue_command() is called from an interrupt (real one or bottom
+        * half), we let queue_main() do the job of taking care about main. If it
+        * is already running, this is a no-op, else main will be queued.
+        *
+        * If we're not in an interrupt, we can call NCR5380_main()
+        * unconditionally, because it cannot be already running.
+        */
+       if (in_interrupt() || ((flags >> 8) & 7) >= 6)
+               queue_main();
+       else
+               NCR5380_main(NULL);
+       return 0;
 }
 
+static DEF_SCSI_QCMD(NCR5380_queue_command)
+
 /*
- * Function : NCR5380_main (void) 
+ * Function : NCR5380_main (void)
  *
- * Purpose : NCR5380_main is a coroutine that runs as long as more work can 
- *     be done on the NCR5380 host adapters in a system.  Both 
- *     NCR5380_queue_command() and NCR5380_intr() will try to start it 
+ * Purpose : NCR5380_main is a coroutine that runs as long as more work can
+ *     be done on the NCR5380 host adapters in a system.  Both
+ *     NCR5380_queue_command() and NCR5380_intr() will try to start it
  *     in case it is not running.
- * 
- * NOTE : NCR5380_main exits with interrupts *disabled*, the caller should 
+ *
+ * NOTE : NCR5380_main exits with interrupts *disabled*, the caller should
  *  reenable them.  This prevents reentrancy and kernel stack overflow.
- */    
-    
-static void NCR5380_main (void *bl)
+ */
+
+static void NCR5380_main(struct work_struct *work)
 {
-    Scsi_Cmnd *tmp, *prev;
-    struct Scsi_Host *instance = first_instance;
-    struct NCR5380_hostdata *hostdata = HOSTDATA(instance);
-    int done;
-    unsigned long flags;
-    
-    /*
-     * We run (with interrupts disabled) until we're sure that none of 
-     * the host adapters have anything that can be done, at which point 
-     * we set main_running to 0 and exit.
-     *
-     * Interrupts are enabled before doing various other internal 
-     * instructions, after we've decided that we need to run through
-     * the loop again.
-     *
-     * this should prevent any race conditions.
-     * 
-     * ++roman: Just disabling the NCR interrupt isn't sufficient here,
-     * because also a timer int can trigger an abort or reset, which can
-     * alter queues and touch the Falcon lock.
-     */
-
-    /* Tell int handlers main() is now already executing.  Note that
-       no races are possible here. If an int comes in before
-       'main_running' is set here, and queues/executes main via the
-       task queue, it doesn't do any harm, just this instance of main
-       won't find any work left to do. */
-    if (main_running)
-       return;
-    main_running = 1;
-
-    local_save_flags(flags);
-    do {
-       local_irq_disable(); /* Freeze request queues */
-       done = 1;
-       
-       if (!hostdata->connected) {
-           MAIN_PRINTK( "scsi%d: not connected\n", HOSTNO );
-           /*
-            * Search through the issue_queue for a command destined
-            * for a target that's not busy.
-            */
+       Scsi_Cmnd *tmp, *prev;
+       struct Scsi_Host *instance = first_instance;
+       struct NCR5380_hostdata *hostdata = HOSTDATA(instance);
+       int done;
+       unsigned long flags;
+
+       /*
+        * We run (with interrupts disabled) until we're sure that none of
+        * the host adapters have anything that can be done, at which point
+        * we set main_running to 0 and exit.
+        *
+        * Interrupts are enabled before doing various other internal
+        * instructions, after we've decided that we need to run through
+        * the loop again.
+        *
+        * this should prevent any race conditions.
+        *
+        * ++roman: Just disabling the NCR interrupt isn't sufficient here,
+        * because also a timer int can trigger an abort or reset, which can
+        * alter queues and touch the Falcon lock.
+        */
+
+       /* Tell int handlers main() is now already executing.  Note that
+          no races are possible here. If an int comes in before
+          'main_running' is set here, and queues/executes main via the
+          task queue, it doesn't do any harm, just this instance of main
+          won't find any work left to do. */
+       if (main_running)
+               return;
+       main_running = 1;
+
+       local_save_flags(flags);
+       do {
+               local_irq_disable();    /* Freeze request queues */
+               done = 1;
+
+               if (!hostdata->connected) {
+                       MAIN_PRINTK("scsi%d: not connected\n", HOSTNO);
+                       /*
+                        * Search through the issue_queue for a command destined
+                        * for a target that's not busy.
+                        */
 #if (NDEBUG & NDEBUG_LISTS)
-           for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, prev = NULL;
-                tmp && (tmp != prev); prev = tmp, tmp = NEXT(tmp))
-               ;
-               /*printk("%p  ", tmp);*/
-           if ((tmp == prev) && tmp) printk(" LOOP\n");/* else printk("\n");*/
+                       for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, prev = NULL;
+                            tmp && (tmp != prev); prev = tmp, tmp = NEXT(tmp))
+                               ;
+                       /*printk("%p  ", tmp);*/
+                       if ((tmp == prev) && tmp)
+                               printk(" LOOP\n");
+                       /* else printk("\n"); */
 #endif
-           for (tmp = (Scsi_Cmnd *) hostdata->issue_queue, 
-                prev = NULL; tmp; prev = tmp, tmp = NEXT(tmp) ) {
+                       for (tmp = (Scsi_Cmnd *) hostdata->issue_queue,
+                            prev = NULL; tmp; prev = tmp, tmp = NEXT(tmp)) {
 
 #if (NDEBUG & NDEBUG_LISTS)
-               if (prev != tmp)
-                   printk("MAIN tmp=%p   target=%d   busy=%d lun=%d\n",
-                          tmp, tmp->device->id, hostdata->busy[tmp->device->id],
-                          tmp->device->lun);
+                               if (prev != tmp)
+                                       printk("MAIN tmp=%p   target=%d   busy=%d lun=%d\n",
+                                              tmp, tmp->device->id, hostdata->busy[tmp->device->id],
+                                              tmp->device->lun);
 #endif
-               /*  When we find one, remove it from the issue queue. */
-               /* ++guenther: possible race with Falcon locking */
-               if (
+                               /*  When we find one, remove it from the issue queue. */
+                               /* ++guenther: possible race with Falcon locking */
+                               if (
 #ifdef SUPPORT_TAGS
-                   !is_lun_busy( tmp, tmp->cmnd[0] != REQUEST_SENSE)
+                                   !is_lun_busy( tmp, tmp->cmnd[0] != REQUEST_SENSE)
 #else
-                   !(hostdata->busy[tmp->device->id] & (1 << tmp->device->lun))
+                                   !(hostdata->busy[tmp->device->id] & (1 << tmp->device->lun))
 #endif
-                   ) {
-                   /* ++guenther: just to be sure, this must be atomic */
-                   local_irq_disable();
-                   if (prev) {
-                       REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
-                       NEXT(prev) = NEXT(tmp);
-                   } else {
-                       REMOVE(-1, hostdata->issue_queue, tmp, NEXT(tmp));
-                       hostdata->issue_queue = NEXT(tmp);
-                   }
-                   NEXT(tmp) = NULL;
-                   falcon_dont_release++;
-                   
-                   /* reenable interrupts after finding one */
-                   local_irq_restore(flags);
-                   
-                   /* 
-                    * Attempt to establish an I_T_L nexus here. 
-                    * On success, instance->hostdata->connected is set.
-                    * On failure, we must add the command back to the
-                    *   issue queue so we can keep trying.     
-                    */
-                   MAIN_PRINTK("scsi%d: main(): command for target %d "
-                               "lun %d removed from issue_queue\n",
-                               HOSTNO, tmp->device->id, tmp->device->lun);
-                   /* 
-                    * REQUEST SENSE commands are issued without tagged
-                    * queueing, even on SCSI-II devices because the 
-                    * contingent allegiance condition exists for the 
-                    * entire unit.
-                    */
-                   /* ++roman: ...and the standard also requires that
-                    * REQUEST SENSE command are untagged.
-                    */
-                   
+                                   ) {
+                                       /* ++guenther: just to be sure, this must be atomic */
+                                       local_irq_disable();
+                                       if (prev) {
+                                               REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
+                                               SET_NEXT(prev, NEXT(tmp));
+                                       } else {
+                                               REMOVE(-1, hostdata->issue_queue, tmp, NEXT(tmp));
+                                               hostdata->issue_queue = NEXT(tmp);
+                                       }
+                                       SET_NEXT(tmp, NULL);
+                                       falcon_dont_release++;
+
+                                       /* reenable interrupts after finding one */
+                                       local_irq_restore(flags);
+
+                                       /*
+                                        * Attempt to establish an I_T_L nexus here.
+                                        * On success, instance->hostdata->connected is set.
+                                        * On failure, we must add the command back to the
+                                        *   issue queue so we can keep trying.
+                                        */
+                                       MAIN_PRINTK("scsi%d: main(): command for target %d "
+                                                   "lun %d removed from issue_queue\n",
+                                                   HOSTNO, tmp->device->id, tmp->device->lun);
+                                       /*
+                                        * REQUEST SENSE commands are issued without tagged
+                                        * queueing, even on SCSI-II devices because the
+                                        * contingent allegiance condition exists for the
+                                        * entire unit.
+                                        */
+                                       /* ++roman: ...and the standard also requires that
+                                        * REQUEST SENSE command are untagged.
+                                        */
+
 #ifdef SUPPORT_TAGS
-                   cmd_get_tag( tmp, tmp->cmnd[0] != REQUEST_SENSE );
+                                       cmd_get_tag(tmp, tmp->cmnd[0] != REQUEST_SENSE);
 #endif
-                   if (!NCR5380_select(instance, tmp, 
-                           (tmp->cmnd[0] == REQUEST_SENSE) ? TAG_NONE : 
-                           TAG_NEXT)) {
-                       falcon_dont_release--;
-                       /* release if target did not response! */
-                       falcon_release_lock_if_possible( hostdata );
-                       break;
-                   } else {
-                       local_irq_disable();
-                       LIST(tmp, hostdata->issue_queue);
-                       NEXT(tmp) = hostdata->issue_queue;
-                       hostdata->issue_queue = tmp;
+                                       if (!NCR5380_select(instance, tmp,
+                                           (tmp->cmnd[0] == REQUEST_SENSE) ? TAG_NONE :
+                                           TAG_NEXT)) {
+                                               falcon_dont_release--;
+                                               /* release if target did not response! */
+                                               falcon_release_lock_if_possible(hostdata);
+                                               break;
+                                       } else {
+                                               local_irq_disable();
+                                               LIST(tmp, hostdata->issue_queue);
+                                               SET_NEXT(tmp, hostdata->issue_queue);
+                                               hostdata->issue_queue = tmp;
 #ifdef SUPPORT_TAGS
-                       cmd_free_tag( tmp );
+                                               cmd_free_tag(tmp);
 #endif
-                       falcon_dont_release--;
-                       local_irq_restore(flags);
-                       MAIN_PRINTK("scsi%d: main(): select() failed, "
-                                   "returned to issue_queue\n", HOSTNO);
-                       if (hostdata->connected)
-                           break;
-                   }
-               } /* if target/lun/target queue is not busy */
-           } /* for issue_queue */
-       } /* if (!hostdata->connected) */
-               
-       if (hostdata->connected 
+                                               falcon_dont_release--;
+                                               local_irq_restore(flags);
+                                               MAIN_PRINTK("scsi%d: main(): select() failed, "
+                                                           "returned to issue_queue\n", HOSTNO);
+                                               if (hostdata->connected)
+                                                       break;
+                                       }
+                               } /* if target/lun/target queue is not busy */
+                       } /* for issue_queue */
+               } /* if (!hostdata->connected) */
+
+               if (hostdata->connected
 #ifdef REAL_DMA
-           && !hostdata->dma_len
+                   && !hostdata->dma_len
 #endif
-           ) {
-           local_irq_restore(flags);
-           MAIN_PRINTK("scsi%d: main: performing information transfer\n",
-                       HOSTNO);
-           NCR5380_information_transfer(instance);
-           MAIN_PRINTK("scsi%d: main: done set false\n", HOSTNO);
-           done = 0;
-       }
-    } while (!done);
+                   ) {
+                       local_irq_restore(flags);
+                       MAIN_PRINTK("scsi%d: main: performing information transfer\n",
+                                   HOSTNO);
+                       NCR5380_information_transfer(instance);
+                       MAIN_PRINTK("scsi%d: main: done set false\n", HOSTNO);
+                       done = 0;
+               }
+       } while (!done);
 
-    /* Better allow ints _after_ 'main_running' has been cleared, else
-       an interrupt could believe we'll pick up the work it left for
-       us, but we won't see it anymore here... */
-    main_running = 0;
-    local_irq_restore(flags);
+       /* Better allow ints _after_ 'main_running' has been cleared, else
+          an interrupt could believe we'll pick up the work it left for
+          us, but we won't see it anymore here... */
+       main_running = 0;
+       local_irq_restore(flags);
 }
 
 
@@ -1183,1441 +1201,1431 @@ static void NCR5380_main (void *bl)
  * Function : void NCR5380_dma_complete (struct Scsi_Host *instance)
  *
  * Purpose : Called by interrupt handler when DMA finishes or a phase
- *     mismatch occurs (which would finish the DMA transfer).  
+ *     mismatch occurs (which would finish the DMA transfer).
  *
  * Inputs : instance - this instance of the NCR5380.
  *
  */
 
-static void NCR5380_dma_complete( struct Scsi_Host *instance )
+static void NCR5380_dma_complete(struct Scsi_Host *instance)
 {
-    SETUP_HOSTDATA(instance);
-    int           transfered, saved_data = 0, overrun = 0, cnt, toPIO;
-    unsigned char **data, p;
-    volatile int  *count;
-
-    if (!hostdata->connected) {
-       printk(KERN_WARNING "scsi%d: received end of DMA interrupt with "
-              "no connected cmd\n", HOSTNO);
-       return;
-    }
-    
-    if (atari_read_overruns) {
-       p = hostdata->connected->SCp.phase;
-       if (p & SR_IO) {
-           udelay(10);
-           if ((((NCR5380_read(BUS_AND_STATUS_REG)) &
-                 (BASR_PHASE_MATCH|BASR_ACK)) ==
-                (BASR_PHASE_MATCH|BASR_ACK))) {
-               saved_data = NCR5380_read(INPUT_DATA_REG);
-               overrun = 1;
-               DMA_PRINTK("scsi%d: read overrun handled\n", HOSTNO);
-           }
+       SETUP_HOSTDATA(instance);
+       int transfered, saved_data = 0, overrun = 0, cnt, toPIO;
+       unsigned char **data, p;
+       volatile int *count;
+
+       if (!hostdata->connected) {
+               printk(KERN_WARNING "scsi%d: received end of DMA interrupt with "
+                      "no connected cmd\n", HOSTNO);
+               return;
        }
-    }
-
-    DMA_PRINTK("scsi%d: real DMA transfer complete, basr 0x%X, sr 0x%X\n",
-              HOSTNO, NCR5380_read(BUS_AND_STATUS_REG),
-              NCR5380_read(STATUS_REG));
-
-    (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-    NCR5380_write(MODE_REG, MR_BASE);
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-
-    transfered = hostdata->dma_len - NCR5380_dma_residual(instance);
-    hostdata->dma_len = 0;
-
-    data = (unsigned char **) &(hostdata->connected->SCp.ptr);
-    count = &(hostdata->connected->SCp.this_residual);
-    *data += transfered;
-    *count -= transfered;
-
-    if (atari_read_overruns) {
-       if ((NCR5380_read(STATUS_REG) & PHASE_MASK) == p && (p & SR_IO)) {
-           cnt = toPIO = atari_read_overruns;
-           if (overrun) {
-               DMA_PRINTK("Got an input overrun, using saved byte\n");
-               *(*data)++ = saved_data;
-               (*count)--;
-               cnt--;
-               toPIO--;
-           }
-           DMA_PRINTK("Doing %d-byte PIO to 0x%08lx\n", cnt, (long)*data);
-           NCR5380_transfer_pio(instance, &p, &cnt, data);
-           *count -= toPIO - cnt;
+
+       if (atari_read_overruns) {
+               p = hostdata->connected->SCp.phase;
+               if (p & SR_IO) {
+                       udelay(10);
+                       if ((NCR5380_read(BUS_AND_STATUS_REG) &
+                            (BASR_PHASE_MATCH|BASR_ACK)) ==
+                           (BASR_PHASE_MATCH|BASR_ACK)) {
+                               saved_data = NCR5380_read(INPUT_DATA_REG);
+                               overrun = 1;
+                               DMA_PRINTK("scsi%d: read overrun handled\n", HOSTNO);
+                       }
+               }
+       }
+
+       DMA_PRINTK("scsi%d: real DMA transfer complete, basr 0x%X, sr 0x%X\n",
+                  HOSTNO, NCR5380_read(BUS_AND_STATUS_REG),
+                  NCR5380_read(STATUS_REG));
+
+       (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+       NCR5380_write(MODE_REG, MR_BASE);
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+       transfered = hostdata->dma_len - NCR5380_dma_residual(instance);
+       hostdata->dma_len = 0;
+
+       data = (unsigned char **)&hostdata->connected->SCp.ptr;
+       count = &hostdata->connected->SCp.this_residual;
+       *data += transfered;
+       *count -= transfered;
+
+       if (atari_read_overruns) {
+               if ((NCR5380_read(STATUS_REG) & PHASE_MASK) == p && (p & SR_IO)) {
+                       cnt = toPIO = atari_read_overruns;
+                       if (overrun) {
+                               DMA_PRINTK("Got an input overrun, using saved byte\n");
+                               *(*data)++ = saved_data;
+                               (*count)--;
+                               cnt--;
+                               toPIO--;
+                       }
+                       DMA_PRINTK("Doing %d-byte PIO to 0x%08lx\n", cnt, (long)*data);
+                       NCR5380_transfer_pio(instance, &p, &cnt, data);
+                       *count -= toPIO - cnt;
+               }
        }
-    }
 }
 #endif /* REAL_DMA */
 
 
 /*
  * Function : void NCR5380_intr (int irq)
- * 
+ *
  * Purpose : handle interrupts, reestablishing I_T_L or I_T_L_Q nexuses
- *     from the disconnected queue, and restarting NCR5380_main() 
+ *     from the disconnected queue, and restarting NCR5380_main()
  *     as required.
  *
  * Inputs : int irq, irq that caused this interrupt.
  *
  */
 
-static irqreturn_t NCR5380_intr (int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t NCR5380_intr(int irq, void *dev_id)
 {
-    struct Scsi_Host *instance = first_instance;
-    int done = 1, handled = 0;
-    unsigned char basr;
-
-    INT_PRINTK("scsi%d: NCR5380 irq triggered\n", HOSTNO);
-
-    /* Look for pending interrupts */
-    basr = NCR5380_read(BUS_AND_STATUS_REG);
-    INT_PRINTK("scsi%d: BASR=%02x\n", HOSTNO, basr);
-    /* dispatch to appropriate routine if found and done=0 */
-    if (basr & BASR_IRQ) {
-       NCR_PRINT(NDEBUG_INTR);
-       if ((NCR5380_read(STATUS_REG) & (SR_SEL|SR_IO)) == (SR_SEL|SR_IO)) {
-           done = 0;
-           ENABLE_IRQ();
-           INT_PRINTK("scsi%d: SEL interrupt\n", HOSTNO);
-           NCR5380_reselect(instance);
-           (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-       }
-       else if (basr & BASR_PARITY_ERROR) {
-           INT_PRINTK("scsi%d: PARITY interrupt\n", HOSTNO);
-           (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-       }
-       else if ((NCR5380_read(STATUS_REG) & SR_RST) == SR_RST) {
-           INT_PRINTK("scsi%d: RESET interrupt\n", HOSTNO);
-           (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-       }
-       else {
-           /*  
-            * The rest of the interrupt conditions can occur only during a
-            * DMA transfer
-            */
+       struct Scsi_Host *instance = first_instance;
+       int done = 1, handled = 0;
+       unsigned char basr;
+
+       INT_PRINTK("scsi%d: NCR5380 irq triggered\n", HOSTNO);
+
+       /* Look for pending interrupts */
+       basr = NCR5380_read(BUS_AND_STATUS_REG);
+       INT_PRINTK("scsi%d: BASR=%02x\n", HOSTNO, basr);
+       /* dispatch to appropriate routine if found and done=0 */
+       if (basr & BASR_IRQ) {
+               NCR_PRINT(NDEBUG_INTR);
+               if ((NCR5380_read(STATUS_REG) & (SR_SEL|SR_IO)) == (SR_SEL|SR_IO)) {
+                       done = 0;
+                       ENABLE_IRQ();
+                       INT_PRINTK("scsi%d: SEL interrupt\n", HOSTNO);
+                       NCR5380_reselect(instance);
+                       (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+               } else if (basr & BASR_PARITY_ERROR) {
+                       INT_PRINTK("scsi%d: PARITY interrupt\n", HOSTNO);
+                       (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+               } else if ((NCR5380_read(STATUS_REG) & SR_RST) == SR_RST) {
+                       INT_PRINTK("scsi%d: RESET interrupt\n", HOSTNO);
+                       (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+               } else {
+                       /*
+                        * The rest of the interrupt conditions can occur only during a
+                        * DMA transfer
+                        */
 
 #if defined(REAL_DMA)
-           /*
-            * We should only get PHASE MISMATCH and EOP interrupts if we have
-            * DMA enabled, so do a sanity check based on the current setting
-            * of the MODE register.
-            */
-
-           if ((NCR5380_read(MODE_REG) & MR_DMA_MODE) &&
-               ((basr & BASR_END_DMA_TRANSFER) || 
-                !(basr & BASR_PHASE_MATCH))) {
-                   
-               INT_PRINTK("scsi%d: PHASE MISM or EOP interrupt\n", HOSTNO);
-               NCR5380_dma_complete( instance );
-               done = 0;
-               ENABLE_IRQ();
-           } else
+                       /*
+                        * We should only get PHASE MISMATCH and EOP interrupts if we have
+                        * DMA enabled, so do a sanity check based on the current setting
+                        * of the MODE register.
+                        */
+
+                       if ((NCR5380_read(MODE_REG) & MR_DMA_MODE) &&
+                           ((basr & BASR_END_DMA_TRANSFER) ||
+                            !(basr & BASR_PHASE_MATCH))) {
+
+                               INT_PRINTK("scsi%d: PHASE MISM or EOP interrupt\n", HOSTNO);
+                               NCR5380_dma_complete( instance );
+                               done = 0;
+                               ENABLE_IRQ();
+                       } else
 #endif /* REAL_DMA */
-           {
+                       {
 /* MS: Ignore unknown phase mismatch interrupts (caused by EOP interrupt) */
-               if (basr & BASR_PHASE_MATCH)
-                   printk(KERN_NOTICE "scsi%d: unknown interrupt, "
-                          "BASR 0x%x, MR 0x%x, SR 0x%x\n",
-                          HOSTNO, basr, NCR5380_read(MODE_REG),
-                          NCR5380_read(STATUS_REG));
-               (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-           }
-       } /* if !(SELECTION || PARITY) */
-       handled = 1;
-    } /* BASR & IRQ */
-    else {
-       printk(KERN_NOTICE "scsi%d: interrupt without IRQ bit set in BASR, "
-              "BASR 0x%X, MR 0x%X, SR 0x%x\n", HOSTNO, basr,
-              NCR5380_read(MODE_REG), NCR5380_read(STATUS_REG));
-       (void) NCR5380_read(RESET_PARITY_INTERRUPT_REG);
-    }
-    
-    if (!done) {
-       INT_PRINTK("scsi%d: in int routine, calling main\n", HOSTNO);
-       /* Put a call to NCR5380_main() on the queue... */
-       queue_main();
-    }
-    return IRQ_RETVAL(handled);
+                               if (basr & BASR_PHASE_MATCH)
+                                       printk(KERN_NOTICE "scsi%d: unknown interrupt, "
+                                              "BASR 0x%x, MR 0x%x, SR 0x%x\n",
+                                              HOSTNO, basr, NCR5380_read(MODE_REG),
+                                              NCR5380_read(STATUS_REG));
+                               (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+                       }
+               } /* if !(SELECTION || PARITY) */
+               handled = 1;
+       } /* BASR & IRQ */ else {
+               printk(KERN_NOTICE "scsi%d: interrupt without IRQ bit set in BASR, "
+                      "BASR 0x%X, MR 0x%X, SR 0x%x\n", HOSTNO, basr,
+                      NCR5380_read(MODE_REG), NCR5380_read(STATUS_REG));
+               (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+       }
+
+       if (!done) {
+               INT_PRINTK("scsi%d: in int routine, calling main\n", HOSTNO);
+               /* Put a call to NCR5380_main() on the queue... */
+               queue_main();
+       }
+       return IRQ_RETVAL(handled);
 }
 
 #ifdef NCR5380_STATS
-static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd* cmd)
+static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd *cmd)
 {
 # ifdef NCR5380_STAT_LIMIT
-    if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+       if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT)
 # endif
-       switch (cmd->cmnd[0])
-       {
-           case WRITE:
-           case WRITE_6:
-           case WRITE_10:
-               hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase);
-               /*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/
-               hostdata->pendingw--;
-               break;
-           case READ:
-           case READ_6:
-           case READ_10:
-               hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase);
-               /*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/
-               hostdata->pendingr--;
-               break;
-       }
+               switch (cmd->cmnd[0]) {
+               case WRITE:
+               case WRITE_6:
+               case WRITE_10:
+                       hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase);
+                       /*hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);*/
+                       hostdata->pendingw--;
+                       break;
+               case READ:
+               case READ_6:
+               case READ_10:
+                       hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase);
+                       /*hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);*/
+                       hostdata->pendingr--;
+                       break;
+               }
 }
 #endif
 
-/* 
- * Function : int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd, 
+/*
+ * Function : int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd,
  *     int tag);
  *
  * Purpose : establishes I_T_L or I_T_L_Q nexus for new or existing command,
- *     including ARBITRATION, SELECTION, and initial message out for 
- *     IDENTIFY and queue messages. 
+ *     including ARBITRATION, SELECTION, and initial message out for
+ *     IDENTIFY and queue messages.
  *
- * Inputs : instance - instantiation of the 5380 driver on which this 
- *     target lives, cmd - SCSI command to execute, tag - set to TAG_NEXT for 
- *     new tag, TAG_NONE for untagged queueing, otherwise set to the tag for 
+ * Inputs : instance - instantiation of the 5380 driver on which this
+ *     target lives, cmd - SCSI command to execute, tag - set to TAG_NEXT for
+ *     new tag, TAG_NONE for untagged queueing, otherwise set to the tag for
  *     the command that is presently connected.
- * 
+ *
  * Returns : -1 if selection could not execute for some reason,
- *     0 if selection succeeded or failed because the target 
- *     did not respond.
+ *     0 if selection succeeded or failed because the target
+ *     did not respond.
  *
- * Side effects : 
- *     If bus busy, arbitration failed, etc, NCR5380_select() will exit 
+ * Side effects :
+ *     If bus busy, arbitration failed, etc, NCR5380_select() will exit
  *             with registers as they should have been on entry - ie
  *             SELECT_ENABLE will be set appropriately, the NCR5380
  *             will cease to drive any SCSI bus signals.
  *
- *     If successful : I_T_L or I_T_L_Q nexus will be established, 
- *             instance->connected will be set to cmd.  
- *             SELECT interrupt will be disabled.
+ *     If successful : I_T_L or I_T_L_Q nexus will be established,
+ *             instance->connected will be set to cmd.
+ *             SELECT interrupt will be disabled.
  *
- *     If failed (no target) : cmd->scsi_done() will be called, and the 
+ *     If failed (no target) : cmd->scsi_done() will be called, and the
  *             cmd->result host byte set to DID_BAD_TARGET.
  */
 
-static int NCR5380_select (struct Scsi_Host *instance, Scsi_Cmnd *cmd, int tag)
+static int NCR5380_select(struct Scsi_Host *instance, Scsi_Cmnd *cmd, int tag)
 {
-    SETUP_HOSTDATA(instance);
-    unsigned char tmp[3], phase;
-    unsigned char *data;
-    int len;
-    unsigned long timeout;
-    unsigned long flags;
-
-    hostdata->restart_select = 0;
-    NCR_PRINT(NDEBUG_ARBITRATION);
-    ARB_PRINTK("scsi%d: starting arbitration, id = %d\n", HOSTNO,
-              instance->this_id);
-
-    /* 
-     * Set the phase bits to 0, otherwise the NCR5380 won't drive the 
-     * data bus during SELECTION.
-     */
-
-    local_irq_save(flags);
-    if (hostdata->connected) {
+       SETUP_HOSTDATA(instance);
+       unsigned char tmp[3], phase;
+       unsigned char *data;
+       int len;
+       unsigned long timeout;
+       unsigned long flags;
+
+       hostdata->restart_select = 0;
+       NCR_PRINT(NDEBUG_ARBITRATION);
+       ARB_PRINTK("scsi%d: starting arbitration, id = %d\n", HOSTNO,
+                  instance->this_id);
+
+       /*
+        * Set the phase bits to 0, otherwise the NCR5380 won't drive the
+        * data bus during SELECTION.
+        */
+
+       local_irq_save(flags);
+       if (hostdata->connected) {
+               local_irq_restore(flags);
+               return -1;
+       }
+       NCR5380_write(TARGET_COMMAND_REG, 0);
+
+       /*
+        * Start arbitration.
+        */
+
+       NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
+       NCR5380_write(MODE_REG, MR_ARBITRATE);
+
        local_irq_restore(flags);
-       return -1;
-    }
-    NCR5380_write(TARGET_COMMAND_REG, 0);
-
-
-    /* 
-     * Start arbitration.
-     */
-    
-    NCR5380_write(OUTPUT_DATA_REG, hostdata->id_mask);
-    NCR5380_write(MODE_REG, MR_ARBITRATE);
-
-    local_irq_restore(flags);
-
-    /* Wait for arbitration logic to complete */
-#if NCR_TIMEOUT
-    {
-      unsigned long timeout = jiffies + 2*NCR_TIMEOUT;
-
-      while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS)
-          && time_before(jiffies, timeout) && !hostdata->connected)
-       ;
-      if (time_after_eq(jiffies, timeout))
-      {
-       printk("scsi : arbitration timeout at %d\n", __LINE__);
-       NCR5380_write(MODE_REG, MR_BASE);
-       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-       return -1;
-      }
-    }
+
+       /* Wait for arbitration logic to complete */
+#if defined(NCR_TIMEOUT)
+       {
+               unsigned long timeout = jiffies + 2*NCR_TIMEOUT;
+
+               while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS) &&
+                      time_before(jiffies, timeout) && !hostdata->connected)
+                       ;
+               if (time_after_eq(jiffies, timeout)) {
+                       printk("scsi : arbitration timeout at %d\n", __LINE__);
+                       NCR5380_write(MODE_REG, MR_BASE);
+                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                       return -1;
+               }
+       }
 #else /* NCR_TIMEOUT */
-    while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS)
-        && !hostdata->connected);
+       while (!(NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_PROGRESS) &&
+              !hostdata->connected)
+               ;
 #endif
 
-    ARB_PRINTK("scsi%d: arbitration complete\n", HOSTNO);
-
-    if (hostdata->connected) {
-       NCR5380_write(MODE_REG, MR_BASE); 
-       return -1;
-    }
-    /* 
-     * The arbitration delay is 2.2us, but this is a minimum and there is 
-     * no maximum so we can safely sleep for ceil(2.2) usecs to accommodate
-     * the integral nature of udelay().
-     *
-     */
-
-    udelay(3);
-
-    /* Check for lost arbitration */
-    if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
-       (NCR5380_read(CURRENT_SCSI_DATA_REG) & hostdata->id_higher_mask) ||
-       (NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
-       hostdata->connected) {
-       NCR5380_write(MODE_REG, MR_BASE); 
-       ARB_PRINTK("scsi%d: lost arbitration, deasserting MR_ARBITRATE\n",
-                  HOSTNO);
-       return -1;
-    }
-
-     /* after/during arbitration, BSY should be asserted.
-       IBM DPES-31080 Version S31Q works now */
-     /* Tnx to Thomas_Roesch@m2.maus.de for finding this! (Roman) */
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_SEL |
-                                        ICR_ASSERT_BSY ) ;
-    
-    if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
-       hostdata->connected) {
-       NCR5380_write(MODE_REG, MR_BASE);
-       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-       ARB_PRINTK("scsi%d: lost arbitration, deasserting ICR_ASSERT_SEL\n",
-                  HOSTNO);
-       return -1;
-    }
+       ARB_PRINTK("scsi%d: arbitration complete\n", HOSTNO);
 
-    /* 
-     * Again, bus clear + bus settle time is 1.2us, however, this is 
-     * a minimum so we'll udelay ceil(1.2)
-     */
+       if (hostdata->connected) {
+               NCR5380_write(MODE_REG, MR_BASE);
+               return -1;
+       }
+       /*
+        * The arbitration delay is 2.2us, but this is a minimum and there is
+        * no maximum so we can safely sleep for ceil(2.2) usecs to accommodate
+        * the integral nature of udelay().
+        *
+        */
+
+       udelay(3);
+
+       /* Check for lost arbitration */
+       if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
+           (NCR5380_read(CURRENT_SCSI_DATA_REG) & hostdata->id_higher_mask) ||
+           (NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
+           hostdata->connected) {
+               NCR5380_write(MODE_REG, MR_BASE);
+               ARB_PRINTK("scsi%d: lost arbitration, deasserting MR_ARBITRATE\n",
+                          HOSTNO);
+               return -1;
+       }
+
+       /* after/during arbitration, BSY should be asserted.
+          IBM DPES-31080 Version S31Q works now */
+       /* Tnx to Thomas_Roesch@m2.maus.de for finding this! (Roman) */
+       NCR5380_write(INITIATOR_COMMAND_REG,
+                     ICR_BASE | ICR_ASSERT_SEL | ICR_ASSERT_BSY);
+
+       if ((NCR5380_read(INITIATOR_COMMAND_REG) & ICR_ARBITRATION_LOST) ||
+           hostdata->connected) {
+               NCR5380_write(MODE_REG, MR_BASE);
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               ARB_PRINTK("scsi%d: lost arbitration, deasserting ICR_ASSERT_SEL\n",
+                          HOSTNO);
+               return -1;
+       }
+
+       /*
+        * Again, bus clear + bus settle time is 1.2us, however, this is
+        * a minimum so we'll udelay ceil(1.2)
+        */
 
 #ifdef CONFIG_ATARI_SCSI_TOSHIBA_DELAY
-    /* ++roman: But some targets (see above :-) seem to need a bit more... */
-    udelay(15);
+       /* ++roman: But some targets (see above :-) seem to need a bit more... */
+       udelay(15);
 #else
-    udelay(2);
+       udelay(2);
 #endif
-    
-    if (hostdata->connected) {
+
+       if (hostdata->connected) {
+               NCR5380_write(MODE_REG, MR_BASE);
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               return -1;
+       }
+
+       ARB_PRINTK("scsi%d: won arbitration\n", HOSTNO);
+
+       /*
+        * Now that we have won arbitration, start Selection process, asserting
+        * the host and target ID's on the SCSI bus.
+        */
+
+       NCR5380_write(OUTPUT_DATA_REG, (hostdata->id_mask | (1 << cmd->device->id)));
+
+       /*
+        * Raise ATN while SEL is true before BSY goes false from arbitration,
+        * since this is the only way to guarantee that we'll get a MESSAGE OUT
+        * phase immediately after selection.
+        */
+
+       NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_BSY |
+                     ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_SEL ));
        NCR5380_write(MODE_REG, MR_BASE);
-       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-       return -1;
-    }
 
-    ARB_PRINTK("scsi%d: won arbitration\n", HOSTNO);
+       /*
+        * Reselect interrupts must be turned off prior to the dropping of BSY,
+        * otherwise we will trigger an interrupt.
+        */
+
+       if (hostdata->connected) {
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               return -1;
+       }
 
-    /* 
-     * Now that we have won arbitration, start Selection process, asserting 
-     * the host and target ID's on the SCSI bus.
-     */
+       NCR5380_write(SELECT_ENABLE_REG, 0);
 
-    NCR5380_write(OUTPUT_DATA_REG, (hostdata->id_mask | (1 << cmd->device->id)));
+       /*
+        * The initiator shall then wait at least two deskew delays and release
+        * the BSY signal.
+        */
+       udelay(1);        /* wingel -- wait two bus deskew delay >2*45ns */
+
+       /* Reset BSY */
+       NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_DATA |
+                     ICR_ASSERT_ATN | ICR_ASSERT_SEL));
+
+       /*
+        * Something weird happens when we cease to drive BSY - looks
+        * like the board/chip is letting us do another read before the
+        * appropriate propagation delay has expired, and we're confusing
+        * a BSY signal from ourselves as the target's response to SELECTION.
+        *
+        * A small delay (the 'C++' frontend breaks the pipeline with an
+        * unnecessary jump, making it work on my 386-33/Trantor T128, the
+        * tighter 'C' code breaks and requires this) solves the problem -
+        * the 1 us delay is arbitrary, and only used because this delay will
+        * be the same on other platforms and since it works here, it should
+        * work there.
+        *
+        * wingel suggests that this could be due to failing to wait
+        * one deskew delay.
+        */
 
-    /* 
-     * Raise ATN while SEL is true before BSY goes false from arbitration,
-     * since this is the only way to guarantee that we'll get a MESSAGE OUT
-     * phase immediately after selection.
-     */
+       udelay(1);
 
-    NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_BSY | 
-       ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_SEL ));
-    NCR5380_write(MODE_REG, MR_BASE);
+       SEL_PRINTK("scsi%d: selecting target %d\n", HOSTNO, cmd->device->id);
 
-    /* 
-     * Reselect interrupts must be turned off prior to the dropping of BSY,
-     * otherwise we will trigger an interrupt.
-     */
+       /*
+        * The SCSI specification calls for a 250 ms timeout for the actual
+        * selection.
+        */
 
-    if (hostdata->connected) {
-       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-       return -1;
-    }
-
-    NCR5380_write(SELECT_ENABLE_REG, 0);
-
-    /*
-     * The initiator shall then wait at least two deskew delays and release 
-     * the BSY signal.
-     */
-    udelay(1);        /* wingel -- wait two bus deskew delay >2*45ns */
-
-    /* Reset BSY */
-    NCR5380_write(INITIATOR_COMMAND_REG, (ICR_BASE | ICR_ASSERT_DATA | 
-       ICR_ASSERT_ATN | ICR_ASSERT_SEL));
-
-    /* 
-     * Something weird happens when we cease to drive BSY - looks
-     * like the board/chip is letting us do another read before the 
-     * appropriate propagation delay has expired, and we're confusing
-     * a BSY signal from ourselves as the target's response to SELECTION.
-     *
-     * A small delay (the 'C++' frontend breaks the pipeline with an
-     * unnecessary jump, making it work on my 386-33/Trantor T128, the
-     * tighter 'C' code breaks and requires this) solves the problem - 
-     * the 1 us delay is arbitrary, and only used because this delay will 
-     * be the same on other platforms and since it works here, it should 
-     * work there.
-     *
-     * wingel suggests that this could be due to failing to wait
-     * one deskew delay.
-     */
-
-    udelay(1);
-
-    SEL_PRINTK("scsi%d: selecting target %d\n", HOSTNO, cmd->device->id);
-
-    /* 
-     * The SCSI specification calls for a 250 ms timeout for the actual 
-     * selection.
-     */
-
-    timeout = jiffies + 25; 
-
-    /* 
-     * XXX very interesting - we're seeing a bounce where the BSY we 
-     * asserted is being reflected / still asserted (propagation delay?)
-     * and it's detecting as true.  Sigh.
-     */
+       timeout = jiffies + 25;
+
+       /*
+        * XXX very interesting - we're seeing a bounce where the BSY we
+        * asserted is being reflected / still asserted (propagation delay?)
+        * and it's detecting as true.  Sigh.
+        */
 
 #if 0
-    /* ++roman: If a target conformed to the SCSI standard, it wouldn't assert
-     * IO while SEL is true. But again, there are some disks out the in the
-     * world that do that nevertheless. (Somebody claimed that this announces
-     * reselection capability of the target.) So we better skip that test and
-     * only wait for BSY... (Famous german words: Der Klügere gibt nach :-)
-     */
-
-    while (time_before(jiffies, timeout) && !(NCR5380_read(STATUS_REG) & 
-       (SR_BSY | SR_IO)));
-
-    if ((NCR5380_read(STATUS_REG) & (SR_SEL | SR_IO)) == 
-           (SR_SEL | SR_IO)) {
-           NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-           NCR5380_reselect(instance);
-           printk (KERN_ERR "scsi%d: reselection after won arbitration?\n",
-                   HOSTNO);
-           NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-           return -1;
-    }
+       /* ++roman: If a target conformed to the SCSI standard, it wouldn't assert
+        * IO while SEL is true. But again, there are some disks out the in the
+        * world that do that nevertheless. (Somebody claimed that this announces
+        * reselection capability of the target.) So we better skip that test and
+        * only wait for BSY... (Famous german words: Der Klügere gibt nach :-)
+        */
+
+       while (time_before(jiffies, timeout) &&
+              !(NCR5380_read(STATUS_REG) & (SR_BSY | SR_IO)))
+               ;
+
+       if ((NCR5380_read(STATUS_REG) & (SR_SEL | SR_IO)) == (SR_SEL | SR_IO)) {
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               NCR5380_reselect(instance);
+               printk(KERN_ERR "scsi%d: reselection after won arbitration?\n",
+                      HOSTNO);
+               NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+               return -1;
+       }
 #else
-    while (time_before(jiffies, timeout) && !(NCR5380_read(STATUS_REG) & SR_BSY));
+       while (time_before(jiffies, timeout) && !(NCR5380_read(STATUS_REG) & SR_BSY))
+               ;
 #endif
 
-    /* 
-     * No less than two deskew delays after the initiator detects the 
-     * BSY signal is true, it shall release the SEL signal and may 
-     * change the DATA BUS.                                     -wingel
-     */
+       /*
+        * No less than two deskew delays after the initiator detects the
+        * BSY signal is true, it shall release the SEL signal and may
+        * change the DATA BUS.                                     -wingel
+        */
 
-    udelay(1);
+       udelay(1);
 
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
 
-    if (!(NCR5380_read(STATUS_REG) & SR_BSY)) {
-       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-       if (hostdata->targets_present & (1 << cmd->device->id)) {
-           printk(KERN_ERR "scsi%d: weirdness\n", HOSTNO);
-           if (hostdata->restart_select)
-               printk(KERN_NOTICE "\trestart select\n");
-           NCR_PRINT(NDEBUG_ANY);
-           NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-           return -1;
-       }
-       cmd->result = DID_BAD_TARGET << 16;
+       if (!(NCR5380_read(STATUS_REG) & SR_BSY)) {
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               if (hostdata->targets_present & (1 << cmd->device->id)) {
+                       printk(KERN_ERR "scsi%d: weirdness\n", HOSTNO);
+                       if (hostdata->restart_select)
+                               printk(KERN_NOTICE "\trestart select\n");
+                       NCR_PRINT(NDEBUG_ANY);
+                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                       return -1;
+               }
+               cmd->result = DID_BAD_TARGET << 16;
 #ifdef NCR5380_STATS
-       collect_stats(hostdata, cmd);
+               collect_stats(hostdata, cmd);
 #endif
 #ifdef SUPPORT_TAGS
-       cmd_free_tag( cmd );
+               cmd_free_tag(cmd);
 #endif
-       cmd->scsi_done(cmd);
-       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-       SEL_PRINTK("scsi%d: target did not respond within 250ms\n", HOSTNO);
-       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-       return 0;
-    } 
-
-    hostdata->targets_present |= (1 << cmd->device->id);
-
-    /*
-     * Since we followed the SCSI spec, and raised ATN while SEL 
-     * was true but before BSY was false during selection, the information
-     * transfer phase should be a MESSAGE OUT phase so that we can send the
-     * IDENTIFY message.
-     * 
-     * If SCSI-II tagged queuing is enabled, we also send a SIMPLE_QUEUE_TAG
-     * message (2 bytes) with a tag ID that we increment with every command
-     * until it wraps back to 0.
-     *
-     * XXX - it turns out that there are some broken SCSI-II devices,
-     *      which claim to support tagged queuing but fail when more than
-     *      some number of commands are issued at once.
-     */
-
-    /* Wait for start of REQ/ACK handshake */
-    while (!(NCR5380_read(STATUS_REG) & SR_REQ));
-
-    SEL_PRINTK("scsi%d: target %d selected, going into MESSAGE OUT phase.\n",
-              HOSTNO, cmd->device->id);
-    tmp[0] = IDENTIFY(1, cmd->device->lun);
+               cmd->scsi_done(cmd);
+               NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+               SEL_PRINTK("scsi%d: target did not respond within 250ms\n", HOSTNO);
+               NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+               return 0;
+       }
+
+       hostdata->targets_present |= (1 << cmd->device->id);
+
+       /*
+        * Since we followed the SCSI spec, and raised ATN while SEL
+        * was true but before BSY was false during selection, the information
+        * transfer phase should be a MESSAGE OUT phase so that we can send the
+        * IDENTIFY message.
+        *
+        * If SCSI-II tagged queuing is enabled, we also send a SIMPLE_QUEUE_TAG
+        * message (2 bytes) with a tag ID that we increment with every command
+        * until it wraps back to 0.
+        *
+        * XXX - it turns out that there are some broken SCSI-II devices,
+        *           which claim to support tagged queuing but fail when more than
+        *           some number of commands are issued at once.
+        */
+
+       /* Wait for start of REQ/ACK handshake */
+       while (!(NCR5380_read(STATUS_REG) & SR_REQ))
+               ;
+
+       SEL_PRINTK("scsi%d: target %d selected, going into MESSAGE OUT phase.\n",
+                  HOSTNO, cmd->device->id);
+       tmp[0] = IDENTIFY(1, cmd->device->lun);
 
 #ifdef SUPPORT_TAGS
-    if (cmd->tag != TAG_NONE) {
-       tmp[1] = hostdata->last_message = SIMPLE_QUEUE_TAG;
-       tmp[2] = cmd->tag;
-       len = 3;
-    } else 
-       len = 1;
+       if (cmd->tag != TAG_NONE) {
+               tmp[1] = hostdata->last_message = SIMPLE_QUEUE_TAG;
+               tmp[2] = cmd->tag;
+               len = 3;
+       } else
+               len = 1;
 #else
-    len = 1;
-    cmd->tag=0;
+       len = 1;
+       cmd->tag = 0;
 #endif /* SUPPORT_TAGS */
 
-    /* Send message(s) */
-    data = tmp;
-    phase = PHASE_MSGOUT;
-    NCR5380_transfer_pio(instance, &phase, &len, &data);
-    SEL_PRINTK("scsi%d: nexus established.\n", HOSTNO);
-    /* XXX need to handle errors here */
-    hostdata->connected = cmd;
+       /* Send message(s) */
+       data = tmp;
+       phase = PHASE_MSGOUT;
+       NCR5380_transfer_pio(instance, &phase, &len, &data);
+       SEL_PRINTK("scsi%d: nexus established.\n", HOSTNO);
+       /* XXX need to handle errors here */
+       hostdata->connected = cmd;
 #ifndef SUPPORT_TAGS
-    hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
-#endif    
-
-    initialize_SCp(cmd);
+       hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+#endif
 
+       initialize_SCp(cmd);
 
-    return 0;
+       return 0;
 }
 
-/* 
- * Function : int NCR5380_transfer_pio (struct Scsi_Host *instance, 
+/*
+ * Function : int NCR5380_transfer_pio (struct Scsi_Host *instance,
  *      unsigned char *phase, int *count, unsigned char **data)
  *
  * Purpose : transfers data in given phase using polled I/O
  *
- * Inputs : instance - instance of driver, *phase - pointer to 
- *     what phase is expected, *count - pointer to number of 
+ * Inputs : instance - instance of driver, *phase - pointer to
+ *     what phase is expected, *count - pointer to number of
  *     bytes to transfer, **data - pointer to data pointer.
- * 
+ *
  * Returns : -1 when different phase is entered without transferring
- *     maximum number of bytes, 0 if all bytes are transfered or exit
+ *     maximum number of bytes, 0 if all bytes are transferred or exit
  *     is in same phase.
  *
- *     Also, *phase, *count, *data are modified in place.
+ *     Also, *phase, *count, *data are modified in place.
  *
  * XXX Note : handling for bus free may be useful.
  */
 
 /*
- * Note : this code is not as quick as it could be, however it 
+ * Note : this code is not as quick as it could be, however it
  * IS 100% reliable, and for the actual data transfer where speed
  * counts, we will always do a pseudo DMA or DMA transfer.
  */
 
-static int NCR5380_transfer_pio( struct Scsi_Host *instance, 
-                                unsigned char *phase, int *count,
-                                unsigned char **data)
+static int NCR5380_transfer_pio(struct Scsi_Host *instance,
+                               unsigned char *phase, int *count,
+                               unsigned char **data)
 {
-    register unsigned char p = *phase, tmp;
-    register int c = *count;
-    register unsigned char *d = *data;
-
-    /* 
-     * The NCR5380 chip will only drive the SCSI bus when the 
-     * phase specified in the appropriate bits of the TARGET COMMAND
-     * REGISTER match the STATUS REGISTER
-     */
-
-    NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
-
-    do {
-       /* 
-        * Wait for assertion of REQ, after which the phase bits will be 
-        * valid 
+       register unsigned char p = *phase, tmp;
+       register int c = *count;
+       register unsigned char *d = *data;
+
+       /*
+        * The NCR5380 chip will only drive the SCSI bus when the
+        * phase specified in the appropriate bits of the TARGET COMMAND
+        * REGISTER match the STATUS REGISTER
         */
-       while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ));
 
-       HSH_PRINTK("scsi%d: REQ detected\n", HOSTNO);
+       NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
 
-       /* Check for phase mismatch */  
-       if ((tmp & PHASE_MASK) != p) {
-           PIO_PRINTK("scsi%d: phase mismatch\n", HOSTNO);
-           NCR_PRINT_PHASE(NDEBUG_PIO);
-           break;
-       }
+       do {
+               /*
+                * Wait for assertion of REQ, after which the phase bits will be
+                * valid
+                */
+               while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ))
+                       ;
 
-       /* Do actual transfer from SCSI bus to / from memory */
-       if (!(p & SR_IO)) 
-           NCR5380_write(OUTPUT_DATA_REG, *d);
-       else 
-           *d = NCR5380_read(CURRENT_SCSI_DATA_REG);
+               HSH_PRINTK("scsi%d: REQ detected\n", HOSTNO);
 
-       ++d;
+               /* Check for phase mismatch */
+               if ((tmp & PHASE_MASK) != p) {
+                       PIO_PRINTK("scsi%d: phase mismatch\n", HOSTNO);
+                       NCR_PRINT_PHASE(NDEBUG_PIO);
+                       break;
+               }
 
-       /* 
-        * The SCSI standard suggests that in MSGOUT phase, the initiator
-        * should drop ATN on the last byte of the message phase
-        * after REQ has been asserted for the handshake but before
-        * the initiator raises ACK.
-        */
+               /* Do actual transfer from SCSI bus to / from memory */
+               if (!(p & SR_IO))
+                       NCR5380_write(OUTPUT_DATA_REG, *d);
+               else
+                       *d = NCR5380_read(CURRENT_SCSI_DATA_REG);
 
-       if (!(p & SR_IO)) {
-           if (!((p & SR_MSG) && c > 1)) {
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-                   ICR_ASSERT_DATA);
-               NCR_PRINT(NDEBUG_PIO);
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-                       ICR_ASSERT_DATA | ICR_ASSERT_ACK);
-           } else {
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
-                   ICR_ASSERT_DATA | ICR_ASSERT_ATN);
-               NCR_PRINT(NDEBUG_PIO);
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-                   ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_ACK);
-           }
-       } else {
-           NCR_PRINT(NDEBUG_PIO);
-           NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ACK);
-       }
+               ++d;
 
-       while (NCR5380_read(STATUS_REG) & SR_REQ);
+               /*
+                * The SCSI standard suggests that in MSGOUT phase, the initiator
+                * should drop ATN on the last byte of the message phase
+                * after REQ has been asserted for the handshake but before
+                * the initiator raises ACK.
+                */
 
-       HSH_PRINTK("scsi%d: req false, handshake complete\n", HOSTNO);
+               if (!(p & SR_IO)) {
+                       if (!((p & SR_MSG) && c > 1)) {
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA);
+                               NCR_PRINT(NDEBUG_PIO);
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+                                             ICR_ASSERT_DATA | ICR_ASSERT_ACK);
+                       } else {
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+                                             ICR_ASSERT_DATA | ICR_ASSERT_ATN);
+                               NCR_PRINT(NDEBUG_PIO);
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+                                             ICR_ASSERT_DATA | ICR_ASSERT_ATN | ICR_ASSERT_ACK);
+                       }
+               } else {
+                       NCR_PRINT(NDEBUG_PIO);
+                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ACK);
+               }
 
-/*
- * We have several special cases to consider during REQ/ACK handshaking : 
- * 1.  We were in MSGOUT phase, and we are on the last byte of the 
- *     message.  ATN must be dropped as ACK is dropped.
- *
- * 2.  We are in a MSGIN phase, and we are on the last byte of the  
- *     message.  We must exit with ACK asserted, so that the calling
- *     code may raise ATN before dropping ACK to reject the message.
- *
- * 3.  ACK and ATN are clear and the target may proceed as normal.
- */
-       if (!(p == PHASE_MSGIN && c == 1)) {  
-           if (p == PHASE_MSGOUT && c > 1)
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
-           else
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-       } 
-    } while (--c);
-
-    PIO_PRINTK("scsi%d: residual %d\n", HOSTNO, c);
-
-    *count = c;
-    *data = d;
-    tmp = NCR5380_read(STATUS_REG);
-    /* The phase read from the bus is valid if either REQ is (already)
-     * asserted or if ACK hasn't been released yet. The latter is the case if
-     * we're in MSGIN and all wanted bytes have been received. */
-    if ((tmp & SR_REQ) || (p == PHASE_MSGIN && c == 0))
-       *phase = tmp & PHASE_MASK;
-    else 
-       *phase = PHASE_UNKNOWN;
-
-    if (!c || (*phase == p))
-       return 0;
-    else 
-       return -1;
+               while (NCR5380_read(STATUS_REG) & SR_REQ)
+                       ;
+
+               HSH_PRINTK("scsi%d: req false, handshake complete\n", HOSTNO);
+
+               /*
+                * We have several special cases to consider during REQ/ACK handshaking :
+                * 1.  We were in MSGOUT phase, and we are on the last byte of the
+                *      message.  ATN must be dropped as ACK is dropped.
+                *
+                * 2.  We are in a MSGIN phase, and we are on the last byte of the
+                *      message.  We must exit with ACK asserted, so that the calling
+                *      code may raise ATN before dropping ACK to reject the message.
+                *
+                * 3.  ACK and ATN are clear and the target may proceed as normal.
+                */
+               if (!(p == PHASE_MSGIN && c == 1)) {
+                       if (p == PHASE_MSGOUT && c > 1)
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+                       else
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               }
+       } while (--c);
+
+       PIO_PRINTK("scsi%d: residual %d\n", HOSTNO, c);
+
+       *count = c;
+       *data = d;
+       tmp = NCR5380_read(STATUS_REG);
+       /* The phase read from the bus is valid if either REQ is (already)
+        * asserted or if ACK hasn't been released yet. The latter is the case if
+        * we're in MSGIN and all wanted bytes have been received.
+        */
+       if ((tmp & SR_REQ) || (p == PHASE_MSGIN && c == 0))
+               *phase = tmp & PHASE_MASK;
+       else
+               *phase = PHASE_UNKNOWN;
+
+       if (!c || (*phase == p))
+               return 0;
+       else
+               return -1;
 }
 
 /*
  * Function : do_abort (Scsi_Host *host)
- * 
- * Purpose : abort the currently established nexus.  Should only be 
- *     called from a routine which can drop into a 
- * 
+ *
+ * Purpose : abort the currently established nexus.  Should only be
+ *     called from a routine which can drop into a
+ *
  * Returns : 0 on success, -1 on failure.
  */
 
-static int do_abort (struct Scsi_Host *host) 
+static int do_abort(struct Scsi_Host *host)
 {
-    unsigned char tmp, *msgptr, phase;
-    int len;
-
-    /* Request message out phase */
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
-
-    /* 
-     * Wait for the target to indicate a valid phase by asserting 
-     * REQ.  Once this happens, we'll have either a MSGOUT phase 
-     * and can immediately send the ABORT message, or we'll have some 
-     * other phase and will have to source/sink data.
-     * 
-     * We really don't care what value was on the bus or what value
-     * the target sees, so we just handshake.
-     */
-    
-    while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ);
-
-    NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
-
-    if ((tmp & PHASE_MASK) != PHASE_MSGOUT) {
-       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN | 
-                     ICR_ASSERT_ACK);
-       while (NCR5380_read(STATUS_REG) & SR_REQ);
+       unsigned char tmp, *msgptr, phase;
+       int len;
+
+       /* Request message out phase */
        NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
-    }
-   
-    tmp = ABORT;
-    msgptr = &tmp;
-    len = 1;
-    phase = PHASE_MSGOUT;
-    NCR5380_transfer_pio (host, &phase, &len, &msgptr);
-
-    /*
-     * If we got here, and the command completed successfully,
-     * we're about to go into bus free state.
-     */
-
-    return len ? -1 : 0;
+
+       /*
+        * Wait for the target to indicate a valid phase by asserting
+        * REQ.  Once this happens, we'll have either a MSGOUT phase
+        * and can immediately send the ABORT message, or we'll have some
+        * other phase and will have to source/sink data.
+        *
+        * We really don't care what value was on the bus or what value
+        * the target sees, so we just handshake.
+        */
+
+       while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ))
+               ;
+
+       NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
+
+       if ((tmp & PHASE_MASK) != PHASE_MSGOUT) {
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN |
+                             ICR_ASSERT_ACK);
+               while (NCR5380_read(STATUS_REG) & SR_REQ)
+                       ;
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+       }
+
+       tmp = ABORT;
+       msgptr = &tmp;
+       len = 1;
+       phase = PHASE_MSGOUT;
+       NCR5380_transfer_pio(host, &phase, &len, &msgptr);
+
+       /*
+        * If we got here, and the command completed successfully,
+        * we're about to go into bus free state.
+        */
+
+       return len ? -1 : 0;
 }
 
 #if defined(REAL_DMA)
-/* 
- * Function : int NCR5380_transfer_dma (struct Scsi_Host *instance, 
+/*
+ * Function : int NCR5380_transfer_dma (struct Scsi_Host *instance,
  *      unsigned char *phase, int *count, unsigned char **data)
  *
  * Purpose : transfers data in given phase using either real
  *     or pseudo DMA.
  *
- * Inputs : instance - instance of driver, *phase - pointer to 
- *     what phase is expected, *count - pointer to number of 
+ * Inputs : instance - instance of driver, *phase - pointer to
+ *     what phase is expected, *count - pointer to number of
  *     bytes to transfer, **data - pointer to data pointer.
- * 
+ *
  * Returns : -1 when different phase is entered without transferring
- *     maximum number of bytes, 0 if all bytes or transfered or exit
+ *     maximum number of bytes, 0 if all bytes or transferred or exit
  *     is in same phase.
  *
- *     Also, *phase, *count, *data are modified in place.
+ *     Also, *phase, *count, *data are modified in place.
  *
  */
 
 
-static int NCR5380_transfer_dma( struct Scsi_Host *instance, 
-                                unsigned char *phase, int *count,
-                                unsigned char **data)
+static int NCR5380_transfer_dma(struct Scsi_Host *instance,
+                               unsigned char *phase, int *count,
+                               unsigned char **data)
 {
-    SETUP_HOSTDATA(instance);
-    register int c = *count;
-    register unsigned char p = *phase;
-    register unsigned char *d = *data;
-    unsigned char tmp;
-    unsigned long flags;
-
-    if ((tmp = (NCR5380_read(STATUS_REG) & PHASE_MASK)) != p) {
-        *phase = tmp;
-        return -1;
-    }
+       SETUP_HOSTDATA(instance);
+       register int c = *count;
+       register unsigned char p = *phase;
+       register unsigned char *d = *data;
+       unsigned char tmp;
+       unsigned long flags;
+
+       if ((tmp = (NCR5380_read(STATUS_REG) & PHASE_MASK)) != p) {
+               *phase = tmp;
+               return -1;
+       }
 
-    if (atari_read_overruns && (p & SR_IO)) {
-       c -= atari_read_overruns;
-    }
+       if (atari_read_overruns && (p & SR_IO))
+               c -= atari_read_overruns;
 
-    DMA_PRINTK("scsi%d: initializing DMA for %s, %d bytes %s %p\n",
-              HOSTNO, (p & SR_IO) ? "reading" : "writing",
-              c, (p & SR_IO) ? "to" : "from", d);
+       DMA_PRINTK("scsi%d: initializing DMA for %s, %d bytes %s %p\n",
+                  HOSTNO, (p & SR_IO) ? "reading" : "writing",
+                  c, (p & SR_IO) ? "to" : "from", d);
 
-    NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
+       NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(p));
 
 #ifdef REAL_DMA
-    NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_EOP_INTR | MR_MONITOR_BSY);
+       NCR5380_write(MODE_REG, MR_BASE | MR_DMA_MODE | MR_ENABLE_EOP_INTR | MR_MONITOR_BSY);
 #endif /* def REAL_DMA  */
 
-    if (IS_A_TT()) {
-       /* On the Medusa, it is a must to initialize the DMA before
-        * starting the NCR. This is also the cleaner way for the TT.
-        */
-       local_irq_save(flags);
-       hostdata->dma_len = (p & SR_IO) ?
-           NCR5380_dma_read_setup(instance, d, c) : 
-           NCR5380_dma_write_setup(instance, d, c);
-       local_irq_restore(flags);
-    }
-    
-    if (p & SR_IO)
-       NCR5380_write(START_DMA_INITIATOR_RECEIVE_REG, 0);
-    else {
-       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA);
-       NCR5380_write(START_DMA_SEND_REG, 0);
-    }
-
-    if (!IS_A_TT()) {
-       /* On the Falcon, the DMA setup must be done after the last */
-       /* NCR access, else the DMA setup gets trashed!
-        */
-       local_irq_save(flags);
-       hostdata->dma_len = (p & SR_IO) ?
-           NCR5380_dma_read_setup(instance, d, c) : 
-           NCR5380_dma_write_setup(instance, d, c);
-       local_irq_restore(flags);
-    }
-    return 0;
+       if (IS_A_TT()) {
+               /* On the Medusa, it is a must to initialize the DMA before
+                * starting the NCR. This is also the cleaner way for the TT.
+                */
+               local_irq_save(flags);
+               hostdata->dma_len = (p & SR_IO) ?
+                       NCR5380_dma_read_setup(instance, d, c) :
+                       NCR5380_dma_write_setup(instance, d, c);
+               local_irq_restore(flags);
+       }
+
+       if (p & SR_IO)
+               NCR5380_write(START_DMA_INITIATOR_RECEIVE_REG, 0);
+       else {
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_DATA);
+               NCR5380_write(START_DMA_SEND_REG, 0);
+       }
+
+       if (!IS_A_TT()) {
+               /* On the Falcon, the DMA setup must be done after the last */
+               /* NCR access, else the DMA setup gets trashed!
+                */
+               local_irq_save(flags);
+               hostdata->dma_len = (p & SR_IO) ?
+                       NCR5380_dma_read_setup(instance, d, c) :
+                       NCR5380_dma_write_setup(instance, d, c);
+               local_irq_restore(flags);
+       }
+       return 0;
 }
 #endif /* defined(REAL_DMA) */
 
 /*
  * Function : NCR5380_information_transfer (struct Scsi_Host *instance)
  *
- * Purpose : run through the various SCSI phases and do as the target 
- *     directs us to.  Operates on the currently connected command, 
+ * Purpose : run through the various SCSI phases and do as the target
+ *     directs us to.  Operates on the currently connected command,
  *     instance->connected.
  *
  * Inputs : instance, instance for which we are doing commands
  *
- * Side effects : SCSI things happen, the disconnected queue will be 
+ * Side effects : SCSI things happen, the disconnected queue will be
  *     modified if a command disconnects, *instance->connected will
  *     change.
  *
- * XXX Note : we need to watch for bus free or a reset condition here 
- *     to recover from an unexpected bus free condition.
+ * XXX Note : we need to watch for bus free or a reset condition here
+ *     to recover from an unexpected bus free condition.
  */
-static void NCR5380_information_transfer (struct Scsi_Host *instance)
+
+static void NCR5380_information_transfer(struct Scsi_Host *instance)
 {
-    SETUP_HOSTDATA(instance);
-    unsigned long flags;
-    unsigned char msgout = NOP;
-    int sink = 0;
-    int len;
+       SETUP_HOSTDATA(instance);
+       unsigned long flags;
+       unsigned char msgout = NOP;
+       int sink = 0;
+       int len;
 #if defined(REAL_DMA)
-    int transfersize;
+       int transfersize;
 #endif
-    unsigned char *data;
-    unsigned char phase, tmp, extended_msg[10], old_phase=0xff;
-    Scsi_Cmnd *cmd = (Scsi_Cmnd *) hostdata->connected;
+       unsigned char *data;
+       unsigned char phase, tmp, extended_msg[10], old_phase = 0xff;
+       Scsi_Cmnd *cmd = (Scsi_Cmnd *) hostdata->connected;
+
+       while (1) {
+               tmp = NCR5380_read(STATUS_REG);
+               /* We only have a valid SCSI phase when REQ is asserted */
+               if (tmp & SR_REQ) {
+                       phase = (tmp & PHASE_MASK);
+                       if (phase != old_phase) {
+                               old_phase = phase;
+                               NCR_PRINT_PHASE(NDEBUG_INFORMATION);
+                       }
 
-    while (1) {
-       tmp = NCR5380_read(STATUS_REG);
-       /* We only have a valid SCSI phase when REQ is asserted */
-       if (tmp & SR_REQ) {
-           phase = (tmp & PHASE_MASK); 
-           if (phase != old_phase) {
-               old_phase = phase;
-               NCR_PRINT_PHASE(NDEBUG_INFORMATION);
-           }
-           
-           if (sink && (phase != PHASE_MSGOUT)) {
-               NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
-
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN | 
-                   ICR_ASSERT_ACK);
-               while (NCR5380_read(STATUS_REG) & SR_REQ);
-               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-                   ICR_ASSERT_ATN);
-               sink = 0;
-               continue;
-           }
-
-           switch (phase) {
-           case PHASE_DATAOUT:
+                       if (sink && (phase != PHASE_MSGOUT)) {
+                               NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp));
+
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN |
+                                             ICR_ASSERT_ACK);
+                               while (NCR5380_read(STATUS_REG) & SR_REQ)
+                                       ;
+                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+                                             ICR_ASSERT_ATN);
+                               sink = 0;
+                               continue;
+                       }
+
+                       switch (phase) {
+                       case PHASE_DATAOUT:
 #if (NDEBUG & NDEBUG_NO_DATAOUT)
-               printk("scsi%d: NDEBUG_NO_DATAOUT set, attempted DATAOUT "
-                      "aborted\n", HOSTNO);
-               sink = 1;
-               do_abort(instance);
-               cmd->result = DID_ERROR  << 16;
-               cmd->done(cmd);
-               return;
+                               printk("scsi%d: NDEBUG_NO_DATAOUT set, attempted DATAOUT "
+                                      "aborted\n", HOSTNO);
+                               sink = 1;
+                               do_abort(instance);
+                               cmd->result = DID_ERROR << 16;
+                               cmd->scsi_done(cmd);
+                               return;
 #endif
-           case PHASE_DATAIN:
-               /* 
-                * If there is no room left in the current buffer in the
-                * scatter-gather list, move onto the next one.
-                */
-
-               if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) {
-                   ++cmd->SCp.buffer;
-                   --cmd->SCp.buffers_residual;
-                   cmd->SCp.this_residual = cmd->SCp.buffer->length;
-                   cmd->SCp.ptr = page_address(cmd->SCp.buffer->page)+
-                                  cmd->SCp.buffer->offset;
-                   /* ++roman: Try to merge some scatter-buffers if
-                    * they are at contiguous physical addresses.
-                    */
-                   merge_contiguous_buffers( cmd );
-                   INF_PRINTK("scsi%d: %d bytes and %d buffers left\n",
-                              HOSTNO, cmd->SCp.this_residual,
-                              cmd->SCp.buffers_residual);
-               }
-
-               /*
-                * The preferred transfer method is going to be 
-                * PSEUDO-DMA for systems that are strictly PIO,
-                * since we can let the hardware do the handshaking.
-                *
-                * For this to work, we need to know the transfersize
-                * ahead of time, since the pseudo-DMA code will sit
-                * in an unconditional loop.
-                */
-
-/* ++roman: I suggest, this should be
- *   #if def(REAL_DMA)
- * instead of leaving REAL_DMA out.
- */
+                       case PHASE_DATAIN:
+                               /*
+                                * If there is no room left in the current buffer in the
+                                * scatter-gather list, move onto the next one.
+                                */
+
+                               if (!cmd->SCp.this_residual && cmd->SCp.buffers_residual) {
+                                       ++cmd->SCp.buffer;
+                                       --cmd->SCp.buffers_residual;
+                                       cmd->SCp.this_residual = cmd->SCp.buffer->length;
+                                       cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
+                                       /* ++roman: Try to merge some scatter-buffers if
+                                        * they are at contiguous physical addresses.
+                                        */
+                                       merge_contiguous_buffers(cmd);
+                                       INF_PRINTK("scsi%d: %d bytes and %d buffers left\n",
+                                                  HOSTNO, cmd->SCp.this_residual,
+                                                  cmd->SCp.buffers_residual);
+                               }
+
+                               /*
+                                * The preferred transfer method is going to be
+                                * PSEUDO-DMA for systems that are strictly PIO,
+                                * since we can let the hardware do the handshaking.
+                                *
+                                * For this to work, we need to know the transfersize
+                                * ahead of time, since the pseudo-DMA code will sit
+                                * in an unconditional loop.
+                                */
+
+                               /* ++roman: I suggest, this should be
+                                *   #if def(REAL_DMA)
+                                * instead of leaving REAL_DMA out.
+                                */
 
 #if defined(REAL_DMA)
-               if (!cmd->device->borken &&
-                   (transfersize = NCR5380_dma_xfer_len(instance,cmd,phase)) > 31) {
-                   len = transfersize;
-                   cmd->SCp.phase = phase;
-                   if (NCR5380_transfer_dma(instance, &phase,
-                       &len, (unsigned char **) &cmd->SCp.ptr)) {
-                       /*
-                        * If the watchdog timer fires, all future
-                        * accesses to this device will use the
-                        * polled-IO. */ 
-                       printk(KERN_NOTICE "scsi%d: switching target %d "
-                              "lun %d to slow handshake\n", HOSTNO,
-                              cmd->device->id, cmd->device->lun);
-                       cmd->device->borken = 1;
-                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-                           ICR_ASSERT_ATN);
-                       sink = 1;
-                       do_abort(instance);
-                       cmd->result = DID_ERROR  << 16;
-                       cmd->done(cmd);
-                       /* XXX - need to source or sink data here, as appropriate */
-                   } else {
+                               if (!cmd->device->borken &&
+                                   (transfersize = NCR5380_dma_xfer_len(instance,cmd,phase)) > 31) {
+                                       len = transfersize;
+                                       cmd->SCp.phase = phase;
+                                       if (NCR5380_transfer_dma(instance, &phase,
+                                           &len, (unsigned char **)&cmd->SCp.ptr)) {
+                                               /*
+                                                * If the watchdog timer fires, all future
+                                                * accesses to this device will use the
+                                                * polled-IO. */
+                                               printk(KERN_NOTICE "scsi%d: switching target %d "
+                                                          "lun %d to slow handshake\n", HOSTNO,
+                                                          cmd->device->id, cmd->device->lun);
+                                               cmd->device->borken = 1;
+                                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE |
+                                                       ICR_ASSERT_ATN);
+                                               sink = 1;
+                                               do_abort(instance);
+                                               cmd->result = DID_ERROR << 16;
+                                               cmd->scsi_done(cmd);
+                                               /* XXX - need to source or sink data here, as appropriate */
+                                       } else {
 #ifdef REAL_DMA
-                       /* ++roman: When using real DMA,
-                        * information_transfer() should return after
-                        * starting DMA since it has nothing more to
-                        * do.
-                        */
-                       return;
-#else                  
-                       cmd->SCp.this_residual -= transfersize - len;
+                                               /* ++roman: When using real DMA,
+                                                * information_transfer() should return after
+                                                * starting DMA since it has nothing more to
+                                                * do.
+                                                */
+                                               return;
+#else
+                                               cmd->SCp.this_residual -= transfersize - len;
 #endif
-                   }
-               } else
+                                       }
+                               } else
 #endif /* defined(REAL_DMA) */
-                 NCR5380_transfer_pio(instance, &phase, 
-                   (int *) &cmd->SCp.this_residual, (unsigned char **)
-                   &cmd->SCp.ptr);
-               break;
-           case PHASE_MSGIN:
-               len = 1;
-               data = &tmp;
-               NCR5380_write(SELECT_ENABLE_REG, 0);    /* disable reselects */
-               NCR5380_transfer_pio(instance, &phase, &len, &data);
-               cmd->SCp.Message = tmp;
-
-               switch (tmp) {
-               /*
-                * Linking lets us reduce the time required to get the 
-                * next command out to the device, hopefully this will
-                * mean we don't waste another revolution due to the delays
-                * required by ARBITRATION and another SELECTION.
-                *
-                * In the current implementation proposal, low level drivers
-                * merely have to start the next command, pointed to by 
-                * next_link, done() is called as with unlinked commands.
-                */
+                                       NCR5380_transfer_pio(instance, &phase,
+                                                            (int *)&cmd->SCp.this_residual,
+                                                            (unsigned char **)&cmd->SCp.ptr);
+                               break;
+                       case PHASE_MSGIN:
+                               len = 1;
+                               data = &tmp;
+                               NCR5380_write(SELECT_ENABLE_REG, 0);    /* disable reselects */
+                               NCR5380_transfer_pio(instance, &phase, &len, &data);
+                               cmd->SCp.Message = tmp;
+
+                               switch (tmp) {
+                               /*
+                                * Linking lets us reduce the time required to get the
+                                * next command out to the device, hopefully this will
+                                * mean we don't waste another revolution due to the delays
+                                * required by ARBITRATION and another SELECTION.
+                                *
+                                * In the current implementation proposal, low level drivers
+                                * merely have to start the next command, pointed to by
+                                * next_link, done() is called as with unlinked commands.
+                                */
 #ifdef LINKED
-               case LINKED_CMD_COMPLETE:
-               case LINKED_FLG_CMD_COMPLETE:
-                   /* Accept message by clearing ACK */
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-                   
-                   LNK_PRINTK("scsi%d: target %d lun %d linked command "
-                              "complete.\n", HOSTNO, cmd->device->id, cmd->device->lun);
-
-                   /* Enable reselect interrupts */
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-                   /*
-                    * Sanity check : A linked command should only terminate
-                    * with one of these messages if there are more linked
-                    * commands available.
-                    */
-
-                   if (!cmd->next_link) {
-                        printk(KERN_NOTICE "scsi%d: target %d lun %d "
-                               "linked command complete, no next_link\n",
-                               HOSTNO, cmd->device->id, cmd->device->lun);
-                           sink = 1;
-                           do_abort (instance);
-                           return;
-                   }
-
-                   initialize_SCp(cmd->next_link);
-                   /* The next command is still part of this process; copy it
-                    * and don't free it! */
-                   cmd->next_link->tag = cmd->tag;
-                   cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8); 
-                   LNK_PRINTK("scsi%d: target %d lun %d linked request "
-                              "done, calling scsi_done().\n",
-                              HOSTNO, cmd->device->id, cmd->device->lun);
+                               case LINKED_CMD_COMPLETE:
+                               case LINKED_FLG_CMD_COMPLETE:
+                                       /* Accept message by clearing ACK */
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+                                       LNK_PRINTK("scsi%d: target %d lun %d linked command "
+                                                  "complete.\n", HOSTNO, cmd->device->id, cmd->device->lun);
+
+                                       /* Enable reselect interrupts */
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                                       /*
+                                        * Sanity check : A linked command should only terminate
+                                        * with one of these messages if there are more linked
+                                        * commands available.
+                                        */
+
+                                       if (!cmd->next_link) {
+                                                printk(KERN_NOTICE "scsi%d: target %d lun %d "
+                                                       "linked command complete, no next_link\n",
+                                                       HOSTNO, cmd->device->id, cmd->device->lun);
+                                               sink = 1;
+                                               do_abort(instance);
+                                               return;
+                                       }
+
+                                       initialize_SCp(cmd->next_link);
+                                       /* The next command is still part of this process; copy it
+                                        * and don't free it! */
+                                       cmd->next_link->tag = cmd->tag;
+                                       cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);
+                                       LNK_PRINTK("scsi%d: target %d lun %d linked request "
+                                                  "done, calling scsi_done().\n",
+                                                  HOSTNO, cmd->device->id, cmd->device->lun);
 #ifdef NCR5380_STATS
-                   collect_stats(hostdata, cmd);
+                                       collect_stats(hostdata, cmd);
 #endif
-                   cmd->scsi_done(cmd);
-                   cmd = hostdata->connected;
-                   break;
+                                       cmd->scsi_done(cmd);
+                                       cmd = hostdata->connected;
+                                       break;
 #endif /* def LINKED */
-               case ABORT:
-               case COMMAND_COMPLETE: 
-                   /* Accept message by clearing ACK */
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-                   /* ++guenther: possible race with Falcon locking */
-                   falcon_dont_release++;
-                   hostdata->connected = NULL;
-                   QU_PRINTK("scsi%d: command for target %d, lun %d "
-                             "completed\n", HOSTNO, cmd->device->id, cmd->device->lun);
+                               case ABORT:
+                               case COMMAND_COMPLETE:
+                                       /* Accept message by clearing ACK */
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+                                       /* ++guenther: possible race with Falcon locking */
+                                       falcon_dont_release++;
+                                       hostdata->connected = NULL;
+                                       QU_PRINTK("scsi%d: command for target %d, lun %d "
+                                                 "completed\n", HOSTNO, cmd->device->id, cmd->device->lun);
 #ifdef SUPPORT_TAGS
-                   cmd_free_tag( cmd );
-                   if (status_byte(cmd->SCp.Status) == QUEUE_FULL) {
-                       /* Turn a QUEUE FULL status into BUSY, I think the
-                        * mid level cannot handle QUEUE FULL :-( (The
-                        * command is retried after BUSY). Also update our
-                        * queue size to the number of currently issued
-                        * commands now.
-                        */
-                       /* ++Andreas: the mid level code knows about
-                          QUEUE_FULL now. */
-                       TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
-                       TAG_PRINTK("scsi%d: target %d lun %d returned "
-                                  "QUEUE_FULL after %d commands\n",
-                                  HOSTNO, cmd->device->id, cmd->device->lun,
-                                  ta->nr_allocated);
-                       if (ta->queue_size > ta->nr_allocated)
-                           ta->nr_allocated = ta->queue_size;
-                   }
+                                       cmd_free_tag(cmd);
+                                       if (status_byte(cmd->SCp.Status) == QUEUE_FULL) {
+                                               /* Turn a QUEUE FULL status into BUSY, I think the
+                                                * mid level cannot handle QUEUE FULL :-( (The
+                                                * command is retried after BUSY). Also update our
+                                                * queue size to the number of currently issued
+                                                * commands now.
+                                                */
+                                               /* ++Andreas: the mid level code knows about
+                                                  QUEUE_FULL now. */
+                                               TAG_ALLOC *ta = &TagAlloc[cmd->device->id][cmd->device->lun];
+                                               TAG_PRINTK("scsi%d: target %d lun %d returned "
+                                                          "QUEUE_FULL after %d commands\n",
+                                                          HOSTNO, cmd->device->id, cmd->device->lun,
+                                                          ta->nr_allocated);
+                                               if (ta->queue_size > ta->nr_allocated)
+                                                       ta->nr_allocated = ta->queue_size;
+                                       }
 #else
-                   hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+                                       hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-                   /* Enable reselect interrupts */
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-
-                   /* 
-                    * I'm not sure what the correct thing to do here is : 
-                    * 
-                    * If the command that just executed is NOT a request 
-                    * sense, the obvious thing to do is to set the result
-                    * code to the values of the stored parameters.
-                    * 
-                    * If it was a REQUEST SENSE command, we need some way to
-                    * differentiate between the failure code of the original
-                    * and the failure code of the REQUEST sense - the obvious
-                    * case is success, where we fall through and leave the
-                    * result code unchanged.
-                    * 
-                    * The non-obvious place is where the REQUEST SENSE failed
-                    */
-
-                   if (cmd->cmnd[0] != REQUEST_SENSE) 
-                       cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8); 
-                   else if (status_byte(cmd->SCp.Status) != GOOD)
-                       cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
-                   
-#ifdef AUTOSENSE
-                   if ((cmd->cmnd[0] != REQUEST_SENSE) && 
-                       (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
-                       ASEN_PRINTK("scsi%d: performing request sense\n",
-                                   HOSTNO);
-                       cmd->cmnd[0] = REQUEST_SENSE;
-                       cmd->cmnd[1] &= 0xe0;
-                       cmd->cmnd[2] = 0;
-                       cmd->cmnd[3] = 0;
-                       cmd->cmnd[4] = sizeof(cmd->sense_buffer);
-                       cmd->cmnd[5] = 0;
-                       cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
-
-                       cmd->use_sg = 0;
-                       /* this is initialized from initialize_SCp 
-                       cmd->SCp.buffer = NULL;
-                       cmd->SCp.buffers_residual = 0;
-                       */
-                       cmd->request_buffer = (char *) cmd->sense_buffer;
-                       cmd->request_bufflen = sizeof(cmd->sense_buffer);
+                                       /* Enable reselect interrupts */
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+
+                                       /*
+                                        * I'm not sure what the correct thing to do here is :
+                                        *
+                                        * If the command that just executed is NOT a request
+                                        * sense, the obvious thing to do is to set the result
+                                        * code to the values of the stored parameters.
+                                        *
+                                        * If it was a REQUEST SENSE command, we need some way to
+                                        * differentiate between the failure code of the original
+                                        * and the failure code of the REQUEST sense - the obvious
+                                        * case is success, where we fall through and leave the
+                                        * result code unchanged.
+                                        *
+                                        * The non-obvious place is where the REQUEST SENSE failed
+                                        */
+
+                                       if (cmd->cmnd[0] != REQUEST_SENSE)
+                                               cmd->result = cmd->SCp.Status | (cmd->SCp.Message << 8);
+                                       else if (status_byte(cmd->SCp.Status) != GOOD)
+                                               cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
 
-                       local_irq_save(flags);
-                       LIST(cmd,hostdata->issue_queue);
-                       NEXT(cmd) = hostdata->issue_queue;
-                       hostdata->issue_queue = (Scsi_Cmnd *) cmd;
-                       local_irq_restore(flags);
-                       QU_PRINTK("scsi%d: REQUEST SENSE added to head of "
-                                 "issue queue\n", H_NO(cmd));
-                  } else
+#ifdef AUTOSENSE
+                                       if ((cmd->cmnd[0] == REQUEST_SENSE) &&
+                                               hostdata->ses.cmd_len) {
+                                               scsi_eh_restore_cmnd(cmd, &hostdata->ses);
+                                               hostdata->ses.cmd_len = 0 ;
+                                       }
+
+                                       if ((cmd->cmnd[0] != REQUEST_SENSE) &&
+                                           (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
+                                               scsi_eh_prep_cmnd(cmd, &hostdata->ses, NULL, 0, ~0);
+
+                                               ASEN_PRINTK("scsi%d: performing request sense\n", HOSTNO);
+
+                                               local_irq_save(flags);
+                                               LIST(cmd,hostdata->issue_queue);
+                                               SET_NEXT(cmd, hostdata->issue_queue);
+                                               hostdata->issue_queue = (Scsi_Cmnd *) cmd;
+                                               local_irq_restore(flags);
+                                               QU_PRINTK("scsi%d: REQUEST SENSE added to head of "
+                                                         "issue queue\n", H_NO(cmd));
+                                       } else
 #endif /* def AUTOSENSE */
-                  {
+                                       {
 #ifdef NCR5380_STATS
-                      collect_stats(hostdata, cmd);
+                                               collect_stats(hostdata, cmd);
 #endif
-                      cmd->scsi_done(cmd);
-                   }
-
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-                   /* 
-                    * Restore phase bits to 0 so an interrupted selection, 
-                    * arbitration can resume.
-                    */
-                   NCR5380_write(TARGET_COMMAND_REG, 0);
-                   
-                   while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
-                       barrier();
-
-                   falcon_dont_release--;
-                   /* ++roman: For Falcon SCSI, release the lock on the
-                    * ST-DMA here if no other commands are waiting on the
-                    * disconnected queue.
-                    */
-                   falcon_release_lock_if_possible( hostdata );
-                   return;
-               case MESSAGE_REJECT:
-                   /* Accept message by clearing ACK */
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-                   /* Enable reselect interrupts */
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-                   switch (hostdata->last_message) {
-                   case HEAD_OF_QUEUE_TAG:
-                   case ORDERED_QUEUE_TAG:
-                   case SIMPLE_QUEUE_TAG:
-                       /* The target obviously doesn't support tagged
-                        * queuing, even though it announced this ability in
-                        * its INQUIRY data ?!? (maybe only this LUN?) Ok,
-                        * clear 'tagged_supported' and lock the LUN, since
-                        * the command is treated as untagged further on.
-                        */
-                       cmd->device->tagged_supported = 0;
-                       hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
-                       cmd->tag = TAG_NONE;
-                       TAG_PRINTK("scsi%d: target %d lun %d rejected "
-                                  "QUEUE_TAG message; tagged queuing "
-                                  "disabled\n",
-                                  HOSTNO, cmd->device->id, cmd->device->lun);
-                       break;
-                   }
-                   break;
-               case DISCONNECT:
-                   /* Accept message by clearing ACK */
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-                   local_irq_save(flags);
-                   cmd->device->disconnect = 1;
-                   LIST(cmd,hostdata->disconnected_queue);
-                   NEXT(cmd) = hostdata->disconnected_queue;
-                   hostdata->connected = NULL;
-                   hostdata->disconnected_queue = cmd;
-                   local_irq_restore(flags);
-                   QU_PRINTK("scsi%d: command for target %d lun %d was "
-                             "moved from connected to the "
-                             "disconnected_queue\n", HOSTNO, 
-                             cmd->device->id, cmd->device->lun);
-                   /* 
-                    * Restore phase bits to 0 so an interrupted selection, 
-                    * arbitration can resume.
-                    */
-                   NCR5380_write(TARGET_COMMAND_REG, 0);
-
-                   /* Enable reselect interrupts */
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-                   /* Wait for bus free to avoid nasty timeouts */
-                   while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
-                       barrier();
-                   return;
-               /* 
-                * The SCSI data pointer is *IMPLICITLY* saved on a disconnect
-                * operation, in violation of the SCSI spec so we can safely 
-                * ignore SAVE/RESTORE pointers calls.
-                *
-                * Unfortunately, some disks violate the SCSI spec and 
-                * don't issue the required SAVE_POINTERS message before
-                * disconnecting, and we have to break spec to remain 
-                * compatible.
-                */
-               case SAVE_POINTERS:
-               case RESTORE_POINTERS:
-                   /* Accept message by clearing ACK */
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-                   /* Enable reselect interrupts */
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-                   break;
-               case EXTENDED_MESSAGE:
-/* 
- * Extended messages are sent in the following format :
- * Byte        
- * 0           EXTENDED_MESSAGE == 1
- * 1           length (includes one byte for code, doesn't 
- *             include first two bytes)
- * 2           code
- * 3..length+1 arguments
- *
- * Start the extended message buffer with the EXTENDED_MESSAGE
- * byte, since scsi_print_msg() wants the whole thing.  
- */
-                   extended_msg[0] = EXTENDED_MESSAGE;
-                   /* Accept first byte by clearing ACK */
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-
-                   EXT_PRINTK("scsi%d: receiving extended message\n", HOSTNO);
-
-                   len = 2;
-                   data = extended_msg + 1;
-                   phase = PHASE_MSGIN;
-                   NCR5380_transfer_pio(instance, &phase, &len, &data);
-                   EXT_PRINTK("scsi%d: length=%d, code=0x%02x\n", HOSTNO,
-                              (int)extended_msg[1], (int)extended_msg[2]);
-
-                   if (!len && extended_msg[1] <= 
-                       (sizeof (extended_msg) - 1)) {
-                       /* Accept third byte by clearing ACK */
-                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-                       len = extended_msg[1] - 1;
-                       data = extended_msg + 3;
-                       phase = PHASE_MSGIN;
-
-                       NCR5380_transfer_pio(instance, &phase, &len, &data);
-                       EXT_PRINTK("scsi%d: message received, residual %d\n",
-                                  HOSTNO, len);
-
-                       switch (extended_msg[2]) {
-                       case EXTENDED_SDTR:
-                       case EXTENDED_WDTR:
-                       case EXTENDED_MODIFY_DATA_POINTER:
-                       case EXTENDED_EXTENDED_IDENTIFY:
-                           tmp = 0;
-                       }
-                   } else if (len) {
-                       printk(KERN_NOTICE "scsi%d: error receiving "
-                              "extended message\n", HOSTNO);
-                       tmp = 0;
-                   } else {
-                       printk(KERN_NOTICE "scsi%d: extended message "
-                              "code %02x length %d is too long\n",
-                              HOSTNO, extended_msg[2], extended_msg[1]);
-                       tmp = 0;
-                   }
-               /* Fall through to reject message */
-
-               /* 
-                * If we get something weird that we aren't expecting, 
-                * reject it.
-                */
-               default:
-                   if (!tmp) {
-                       printk(KERN_DEBUG "scsi%d: rejecting message ", HOSTNO);
-                       scsi_print_msg (extended_msg);
-                       printk("\n");
-                   } else if (tmp != EXTENDED_MESSAGE)
-                       printk(KERN_DEBUG "scsi%d: rejecting unknown "
-                              "message %02x from target %d, lun %d\n",
-                              HOSTNO, tmp, cmd->device->id, cmd->device->lun);
-                   else
-                       printk(KERN_DEBUG "scsi%d: rejecting unknown "
-                              "extended message "
-                              "code %02x, length %d from target %d, lun %d\n",
-                              HOSTNO, extended_msg[1], extended_msg[0],
-                              cmd->device->id, cmd->device->lun);
-   
-
-                   msgout = MESSAGE_REJECT;
-                   NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | 
-                       ICR_ASSERT_ATN);
-                   break;
-               } /* switch (tmp) */
-               break;
-           case PHASE_MSGOUT:
-               len = 1;
-               data = &msgout;
-               hostdata->last_message = msgout;
-               NCR5380_transfer_pio(instance, &phase, &len, &data);
-               if (msgout == ABORT) {
+                                               cmd->scsi_done(cmd);
+                                       }
+
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                                       /*
+                                        * Restore phase bits to 0 so an interrupted selection,
+                                        * arbitration can resume.
+                                        */
+                                       NCR5380_write(TARGET_COMMAND_REG, 0);
+
+                                       while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
+                                               barrier();
+
+                                       falcon_dont_release--;
+                                       /* ++roman: For Falcon SCSI, release the lock on the
+                                        * ST-DMA here if no other commands are waiting on the
+                                        * disconnected queue.
+                                        */
+                                       falcon_release_lock_if_possible(hostdata);
+                                       return;
+                               case MESSAGE_REJECT:
+                                       /* Accept message by clearing ACK */
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+                                       /* Enable reselect interrupts */
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                                       switch (hostdata->last_message) {
+                                       case HEAD_OF_QUEUE_TAG:
+                                       case ORDERED_QUEUE_TAG:
+                                       case SIMPLE_QUEUE_TAG:
+                                               /* The target obviously doesn't support tagged
+                                                * queuing, even though it announced this ability in
+                                                * its INQUIRY data ?!? (maybe only this LUN?) Ok,
+                                                * clear 'tagged_supported' and lock the LUN, since
+                                                * the command is treated as untagged further on.
+                                                */
+                                               cmd->device->tagged_supported = 0;
+                                               hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
+                                               cmd->tag = TAG_NONE;
+                                               TAG_PRINTK("scsi%d: target %d lun %d rejected "
+                                                          "QUEUE_TAG message; tagged queuing "
+                                                          "disabled\n",
+                                                          HOSTNO, cmd->device->id, cmd->device->lun);
+                                               break;
+                                       }
+                                       break;
+                               case DISCONNECT:
+                                       /* Accept message by clearing ACK */
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+                                       local_irq_save(flags);
+                                       cmd->device->disconnect = 1;
+                                       LIST(cmd,hostdata->disconnected_queue);
+                                       SET_NEXT(cmd, hostdata->disconnected_queue);
+                                       hostdata->connected = NULL;
+                                       hostdata->disconnected_queue = cmd;
+                                       local_irq_restore(flags);
+                                       QU_PRINTK("scsi%d: command for target %d lun %d was "
+                                                 "moved from connected to the "
+                                                 "disconnected_queue\n", HOSTNO,
+                                                 cmd->device->id, cmd->device->lun);
+                                       /*
+                                        * Restore phase bits to 0 so an interrupted selection,
+                                        * arbitration can resume.
+                                        */
+                                       NCR5380_write(TARGET_COMMAND_REG, 0);
+
+                                       /* Enable reselect interrupts */
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                                       /* Wait for bus free to avoid nasty timeouts */
+                                       while ((NCR5380_read(STATUS_REG) & SR_BSY) && !hostdata->connected)
+                                               barrier();
+                                       return;
+                                       /*
+                                        * The SCSI data pointer is *IMPLICITLY* saved on a disconnect
+                                        * operation, in violation of the SCSI spec so we can safely
+                                        * ignore SAVE/RESTORE pointers calls.
+                                        *
+                                        * Unfortunately, some disks violate the SCSI spec and
+                                        * don't issue the required SAVE_POINTERS message before
+                                        * disconnecting, and we have to break spec to remain
+                                        * compatible.
+                                        */
+                               case SAVE_POINTERS:
+                               case RESTORE_POINTERS:
+                                       /* Accept message by clearing ACK */
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+                                       /* Enable reselect interrupts */
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                                       break;
+                               case EXTENDED_MESSAGE:
+                                       /*
+                                        * Extended messages are sent in the following format :
+                                        * Byte
+                                        * 0            EXTENDED_MESSAGE == 1
+                                        * 1            length (includes one byte for code, doesn't
+                                        *              include first two bytes)
+                                        * 2            code
+                                        * 3..length+1  arguments
+                                        *
+                                        * Start the extended message buffer with the EXTENDED_MESSAGE
+                                        * byte, since spi_print_msg() wants the whole thing.
+                                        */
+                                       extended_msg[0] = EXTENDED_MESSAGE;
+                                       /* Accept first byte by clearing ACK */
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+                                       EXT_PRINTK("scsi%d: receiving extended message\n", HOSTNO);
+
+                                       len = 2;
+                                       data = extended_msg + 1;
+                                       phase = PHASE_MSGIN;
+                                       NCR5380_transfer_pio(instance, &phase, &len, &data);
+                                       EXT_PRINTK("scsi%d: length=%d, code=0x%02x\n", HOSTNO,
+                                                  (int)extended_msg[1], (int)extended_msg[2]);
+
+                                       if (!len && extended_msg[1] <=
+                                           (sizeof(extended_msg) - 1)) {
+                                               /* Accept third byte by clearing ACK */
+                                               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+                                               len = extended_msg[1] - 1;
+                                               data = extended_msg + 3;
+                                               phase = PHASE_MSGIN;
+
+                                               NCR5380_transfer_pio(instance, &phase, &len, &data);
+                                               EXT_PRINTK("scsi%d: message received, residual %d\n",
+                                                          HOSTNO, len);
+
+                                               switch (extended_msg[2]) {
+                                               case EXTENDED_SDTR:
+                                               case EXTENDED_WDTR:
+                                               case EXTENDED_MODIFY_DATA_POINTER:
+                                               case EXTENDED_EXTENDED_IDENTIFY:
+                                                       tmp = 0;
+                                               }
+                                       } else if (len) {
+                                               printk(KERN_NOTICE "scsi%d: error receiving "
+                                                      "extended message\n", HOSTNO);
+                                               tmp = 0;
+                                       } else {
+                                               printk(KERN_NOTICE "scsi%d: extended message "
+                                                          "code %02x length %d is too long\n",
+                                                          HOSTNO, extended_msg[2], extended_msg[1]);
+                                               tmp = 0;
+                                       }
+                                       /* Fall through to reject message */
+
+                                       /*
+                                        * If we get something weird that we aren't expecting,
+                                        * reject it.
+                                        */
+                               default:
+                                       if (!tmp) {
+                                               printk(KERN_DEBUG "scsi%d: rejecting message ", HOSTNO);
+                                               spi_print_msg(extended_msg);
+                                               printk("\n");
+                                       } else if (tmp != EXTENDED_MESSAGE)
+                                               printk(KERN_DEBUG "scsi%d: rejecting unknown "
+                                                      "message %02x from target %d, lun %d\n",
+                                                      HOSTNO, tmp, cmd->device->id, cmd->device->lun);
+                                       else
+                                               printk(KERN_DEBUG "scsi%d: rejecting unknown "
+                                                      "extended message "
+                                                      "code %02x, length %d from target %d, lun %d\n",
+                                                      HOSTNO, extended_msg[1], extended_msg[0],
+                                                      cmd->device->id, cmd->device->lun);
+
+
+                                       msgout = MESSAGE_REJECT;
+                                       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_ATN);
+                                       break;
+                               } /* switch (tmp) */
+                               break;
+                       case PHASE_MSGOUT:
+                               len = 1;
+                               data = &msgout;
+                               hostdata->last_message = msgout;
+                               NCR5380_transfer_pio(instance, &phase, &len, &data);
+                               if (msgout == ABORT) {
 #ifdef SUPPORT_TAGS
-                   cmd_free_tag( cmd );
+                                       cmd_free_tag(cmd);
 #else
-                   hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+                                       hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-                   hostdata->connected = NULL;
-                   cmd->result = DID_ERROR << 16;
+                                       hostdata->connected = NULL;
+                                       cmd->result = DID_ERROR << 16;
 #ifdef NCR5380_STATS
-                   collect_stats(hostdata, cmd);
+                                       collect_stats(hostdata, cmd);
 #endif
-                   cmd->scsi_done(cmd);
-                   NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
-                   falcon_release_lock_if_possible( hostdata );
-                   return;
-               }
-               msgout = NOP;
-               break;
-           case PHASE_CMDOUT:
-               len = cmd->cmd_len;
-               data = cmd->cmnd;
-               /* 
-                * XXX for performance reasons, on machines with a 
-                * PSEUDO-DMA architecture we should probably 
-                * use the dma transfer function.  
-                */
-               NCR5380_transfer_pio(instance, &phase, &len, 
-                   &data);
-               break;
-           case PHASE_STATIN:
-               len = 1;
-               data = &tmp;
-               NCR5380_transfer_pio(instance, &phase, &len, &data);
-               cmd->SCp.Status = tmp;
-               break;
-           default:
-               printk("scsi%d: unknown phase\n", HOSTNO);
-               NCR_PRINT(NDEBUG_ANY);
-           } /* switch(phase) */
-       } /* if (tmp * SR_REQ) */ 
-    } /* while (1) */
+                                       cmd->scsi_done(cmd);
+                                       NCR5380_write(SELECT_ENABLE_REG, hostdata->id_mask);
+                                       falcon_release_lock_if_possible(hostdata);
+                                       return;
+                               }
+                               msgout = NOP;
+                               break;
+                       case PHASE_CMDOUT:
+                               len = cmd->cmd_len;
+                               data = cmd->cmnd;
+                               /*
+                                * XXX for performance reasons, on machines with a
+                                * PSEUDO-DMA architecture we should probably
+                                * use the dma transfer function.
+                                */
+                               NCR5380_transfer_pio(instance, &phase, &len, &data);
+                               break;
+                       case PHASE_STATIN:
+                               len = 1;
+                               data = &tmp;
+                               NCR5380_transfer_pio(instance, &phase, &len, &data);
+                               cmd->SCp.Status = tmp;
+                               break;
+                       default:
+                               printk("scsi%d: unknown phase\n", HOSTNO);
+                               NCR_PRINT(NDEBUG_ANY);
+                       } /* switch(phase) */
+               } /* if (tmp * SR_REQ) */
+       } /* while (1) */
 }
 
 /*
  * Function : void NCR5380_reselect (struct Scsi_Host *instance)
  *
- * Purpose : does reselection, initializing the instance->connected 
- *     field to point to the Scsi_Cmnd for which the I_T_L or I_T_L_Q 
+ * Purpose : does reselection, initializing the instance->connected
+ *     field to point to the Scsi_Cmnd for which the I_T_L or I_T_L_Q
  *     nexus has been reestablished,
- *     
+ *
  * Inputs : instance - this instance of the NCR5380.
  *
  */
 
 
-static void NCR5380_reselect (struct Scsi_Host *instance)
+static void NCR5380_reselect(struct Scsi_Host *instance)
 {
-    SETUP_HOSTDATA(instance);
-    unsigned char target_mask;
-    unsigned char lun, phase;
-    int len;
+       SETUP_HOSTDATA(instance);
+       unsigned char target_mask;
+       unsigned char lun, phase;
+       int len;
 #ifdef SUPPORT_TAGS
-    unsigned char tag;
+       unsigned char tag;
 #endif
-    unsigned char msg[3];
-    unsigned char *data;
-    Scsi_Cmnd *tmp = NULL, *prev;
-/*    unsigned long flags; */
-
-    /*
-     * Disable arbitration, etc. since the host adapter obviously
-     * lost, and tell an interrupted NCR5380_select() to restart.
-     */
-
-    NCR5380_write(MODE_REG, MR_BASE);
-    hostdata->restart_select = 1;
-
-    target_mask = NCR5380_read(CURRENT_SCSI_DATA_REG) & ~(hostdata->id_mask);
-
-    RSL_PRINTK("scsi%d: reselect\n", HOSTNO);
-
-    /* 
-     * At this point, we have detected that our SCSI ID is on the bus,
-     * SEL is true and BSY was false for at least one bus settle delay
-     * (400 ns).
-     *
-     * We must assert BSY ourselves, until the target drops the SEL
-     * signal.
-     */
-
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_BSY);
-    
-    while (NCR5380_read(STATUS_REG) & SR_SEL);
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
-
-    /*
-     * Wait for target to go into MSGIN.
-     */
-
-    while (!(NCR5380_read(STATUS_REG) & SR_REQ));
-
-    len = 1;
-    data = msg;
-    phase = PHASE_MSGIN;
-    NCR5380_transfer_pio(instance, &phase, &len, &data);
-
-    if (!(msg[0] & 0x80)) {
-       printk(KERN_DEBUG "scsi%d: expecting IDENTIFY message, got ", HOSTNO);
-       scsi_print_msg(msg);
-       do_abort(instance);
-       return;
-    }
-    lun = (msg[0] & 0x07);
+       unsigned char msg[3];
+       unsigned char *data;
+       Scsi_Cmnd *tmp = NULL, *prev;
+/*     unsigned long flags; */
+
+       /*
+        * Disable arbitration, etc. since the host adapter obviously
+        * lost, and tell an interrupted NCR5380_select() to restart.
+        */
+
+       NCR5380_write(MODE_REG, MR_BASE);
+       hostdata->restart_select = 1;
+
+       target_mask = NCR5380_read(CURRENT_SCSI_DATA_REG) & ~(hostdata->id_mask);
+
+       RSL_PRINTK("scsi%d: reselect\n", HOSTNO);
+
+       /*
+        * At this point, we have detected that our SCSI ID is on the bus,
+        * SEL is true and BSY was false for at least one bus settle delay
+        * (400 ns).
+        *
+        * We must assert BSY ourselves, until the target drops the SEL
+        * signal.
+        */
+
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_BSY);
+
+       while (NCR5380_read(STATUS_REG) & SR_SEL)
+               ;
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+
+       /*
+        * Wait for target to go into MSGIN.
+        */
+
+       while (!(NCR5380_read(STATUS_REG) & SR_REQ))
+               ;
+
+       len = 1;
+       data = msg;
+       phase = PHASE_MSGIN;
+       NCR5380_transfer_pio(instance, &phase, &len, &data);
+
+       if (!(msg[0] & 0x80)) {
+               printk(KERN_DEBUG "scsi%d: expecting IDENTIFY message, got ", HOSTNO);
+               spi_print_msg(msg);
+               do_abort(instance);
+               return;
+       }
+       lun = (msg[0] & 0x07);
 
 #ifdef SUPPORT_TAGS
-    /* If the phase is still MSGIN, the target wants to send some more
-     * messages. In case it supports tagged queuing, this is probably a
-     * SIMPLE_QUEUE_TAG for the I_T_L_Q nexus.
-     */
-    tag = TAG_NONE;
-    if (phase == PHASE_MSGIN && setup_use_tagged_queuing) {
-       /* Accept previous IDENTIFY message by clearing ACK */
-       NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
-       len = 2;
-       data = msg+1;
-       if (!NCR5380_transfer_pio(instance, &phase, &len, &data) &&
-           msg[1] == SIMPLE_QUEUE_TAG)
-           tag = msg[2];
-       TAG_PRINTK("scsi%d: target mask %02x, lun %d sent tag %d at "
-                  "reselection\n", HOSTNO, target_mask, lun, tag);
-    }
+       /* If the phase is still MSGIN, the target wants to send some more
+        * messages. In case it supports tagged queuing, this is probably a
+        * SIMPLE_QUEUE_TAG for the I_T_L_Q nexus.
+        */
+       tag = TAG_NONE;
+       if (phase == PHASE_MSGIN && setup_use_tagged_queuing) {
+               /* Accept previous IDENTIFY message by clearing ACK */
+               NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+               len = 2;
+               data = msg + 1;
+               if (!NCR5380_transfer_pio(instance, &phase, &len, &data) &&
+                   msg[1] == SIMPLE_QUEUE_TAG)
+                       tag = msg[2];
+               TAG_PRINTK("scsi%d: target mask %02x, lun %d sent tag %d at "
+                          "reselection\n", HOSTNO, target_mask, lun, tag);
+       }
 #endif
-    
-    /* 
-     * Find the command corresponding to the I_T_L or I_T_L_Q  nexus we 
-     * just reestablished, and remove it from the disconnected queue.
-     */
-
-    for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue, prev = NULL; 
-        tmp; prev = tmp, tmp = NEXT(tmp) ) {
-       if ((target_mask == (1 << tmp->device->id)) && (lun == tmp->device->lun)
+
+       /*
+        * Find the command corresponding to the I_T_L or I_T_L_Q  nexus we
+        * just reestablished, and remove it from the disconnected queue.
+        */
+
+       for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue, prev = NULL;
+            tmp; prev = tmp, tmp = NEXT(tmp)) {
+               if ((target_mask == (1 << tmp->device->id)) && (lun == tmp->device->lun)
 #ifdef SUPPORT_TAGS
-           && (tag == tmp->tag) 
+                   && (tag == tmp->tag)
 #endif
-           ) {
-           /* ++guenther: prevent race with falcon_release_lock */
-           falcon_dont_release++;
-           if (prev) {
-               REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
-               NEXT(prev) = NEXT(tmp);
-           } else {
-               REMOVE(-1, hostdata->disconnected_queue, tmp, NEXT(tmp));
-               hostdata->disconnected_queue = NEXT(tmp);
-           }
-           NEXT(tmp) = NULL;
-           break;
+                   ) {
+                       /* ++guenther: prevent race with falcon_release_lock */
+                       falcon_dont_release++;
+                       if (prev) {
+                               REMOVE(prev, NEXT(prev), tmp, NEXT(tmp));
+                               SET_NEXT(prev, NEXT(tmp));
+                       } else {
+                               REMOVE(-1, hostdata->disconnected_queue, tmp, NEXT(tmp));
+                               hostdata->disconnected_queue = NEXT(tmp);
+                       }
+                       SET_NEXT(tmp, NULL);
+                       break;
+               }
        }
-    }
-    
-    if (!tmp) {
-       printk(KERN_WARNING "scsi%d: warning: target bitmask %02x lun %d "
+
+       if (!tmp) {
+               printk(KERN_WARNING "scsi%d: warning: target bitmask %02x lun %d "
 #ifdef SUPPORT_TAGS
-               "tag %d "
+                      "tag %d "
 #endif
-               "not in disconnected_queue.\n",
-               HOSTNO, target_mask, lun
+                      "not in disconnected_queue.\n",
+                      HOSTNO, target_mask, lun
 #ifdef SUPPORT_TAGS
-               , tag
+                      , tag
 #endif
-               );
-       /* 
-        * Since we have an established nexus that we can't do anything
-        * with, we must abort it.  
-        */
-       do_abort(instance);
-       return;
-    }
+                       );
+               /*
+                * Since we have an established nexus that we can't do anything
+                * with, we must abort it.
+                */
+               do_abort(instance);
+               return;
+       }
 
-    /* Accept message by clearing ACK */
-    NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+       /* Accept message by clearing ACK */
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
 
-    hostdata->connected = tmp;
-    RSL_PRINTK("scsi%d: nexus established, target = %d, lun = %d, tag = %d\n",
-              HOSTNO, tmp->device->id, tmp->device->lun, tmp->tag);
-    falcon_dont_release--;
+       hostdata->connected = tmp;
+       RSL_PRINTK("scsi%d: nexus established, target = %d, lun = %d, tag = %d\n",
+                  HOSTNO, tmp->device->id, tmp->device->lun, tmp->tag);
+       falcon_dont_release--;
 }
 
 
@@ -2626,362 +2634,360 @@ static void NCR5380_reselect (struct Scsi_Host *instance)
  *
  * Purpose : abort a command
  *
- * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the 
- *     host byte of the result field to, if zero DID_ABORTED is 
+ * Inputs : cmd - the Scsi_Cmnd to abort, code - code to set the
+ *     host byte of the result field to, if zero DID_ABORTED is
  *     used.
  *
  * Returns : 0 - success, -1 on failure.
  *
- * XXX - there is no way to abort the command that is currently 
- *      connected, you have to wait for it to complete.  If this is 
+ * XXX - there is no way to abort the command that is currently
+ *      connected, you have to wait for it to complete.  If this is
  *      a problem, we could implement longjmp() / setjmp(), setjmp()
- *      called where the loop started in NCR5380_main().
+ *      called where the loop started in NCR5380_main().
  */
 
 static
-int NCR5380_abort (Scsi_Cmnd *cmd)
+int NCR5380_abort(Scsi_Cmnd *cmd)
 {
-    struct Scsi_Host *instance = cmd->device->host;
-    SETUP_HOSTDATA(instance);
-    Scsi_Cmnd *tmp, **prev;
-    unsigned long flags;
+       struct Scsi_Host *instance = cmd->device->host;
+       SETUP_HOSTDATA(instance);
+       Scsi_Cmnd *tmp, **prev;
+       unsigned long flags;
+
+       printk(KERN_NOTICE "scsi%d: aborting command\n", HOSTNO);
+       scsi_print_command(cmd);
 
-    printk(KERN_NOTICE "scsi%d: aborting command\n", HOSTNO);
-    scsi_print_command(cmd);
+       NCR5380_print_status(instance);
 
-    NCR5380_print_status (instance);
+       local_irq_save(flags);
 
-    local_irq_save(flags);
-    
-    if (!IS_A_TT() && !falcon_got_lock)
-       printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_abort\n",
-              HOSTNO);
+       if (!IS_A_TT() && !falcon_got_lock)
+               printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_abort\n",
+                      HOSTNO);
 
-    ABRT_PRINTK("scsi%d: abort called basr 0x%02x, sr 0x%02x\n", HOSTNO,
-               NCR5380_read(BUS_AND_STATUS_REG),
-               NCR5380_read(STATUS_REG));
+       ABRT_PRINTK("scsi%d: abort called basr 0x%02x, sr 0x%02x\n", HOSTNO,
+                   NCR5380_read(BUS_AND_STATUS_REG),
+                   NCR5380_read(STATUS_REG));
 
 #if 1
-/* 
- * Case 1 : If the command is the currently executing command, 
- * we'll set the aborted flag and return control so that 
- * information transfer routine can exit cleanly.
- */
+       /*
+        * Case 1 : If the command is the currently executing command,
+        * we'll set the aborted flag and return control so that
+        * information transfer routine can exit cleanly.
+        */
 
-    if (hostdata->connected == cmd) {
+       if (hostdata->connected == cmd) {
 
-       ABRT_PRINTK("scsi%d: aborting connected command\n", HOSTNO);
-/*
- * We should perform BSY checking, and make sure we haven't slipped
- * into BUS FREE.
- */
+               ABRT_PRINTK("scsi%d: aborting connected command\n", HOSTNO);
+               /*
+                * We should perform BSY checking, and make sure we haven't slipped
+                * into BUS FREE.
+                */
 
-/*     NCR5380_write(INITIATOR_COMMAND_REG, ICR_ASSERT_ATN); */
-/* 
- * Since we can't change phases until we've completed the current 
- * handshake, we have to source or sink a byte of data if the current
- * phase is not MSGOUT.
- */
+               /*      NCR5380_write(INITIATOR_COMMAND_REG, ICR_ASSERT_ATN); */
+               /*
+                * Since we can't change phases until we've completed the current
+                * handshake, we have to source or sink a byte of data if the current
+                * phase is not MSGOUT.
+                */
 
-/* 
- * Return control to the executing NCR drive so we can clear the
- * aborted flag and get back into our main loop.
- */ 
+               /*
+                * Return control to the executing NCR drive so we can clear the
+                * aborted flag and get back into our main loop.
+                */
 
-       if (do_abort(instance) == 0) {
-         hostdata->aborted = 1;
-         hostdata->connected = NULL;
-         cmd->result = DID_ABORT << 16;
+               if (do_abort(instance) == 0) {
+                       hostdata->aborted = 1;
+                       hostdata->connected = NULL;
+                       cmd->result = DID_ABORT << 16;
 #ifdef SUPPORT_TAGS
-         cmd_free_tag( cmd );
+                       cmd_free_tag(cmd);
 #else
-         hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+                       hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-         local_irq_restore(flags);
-         cmd->scsi_done(cmd);
-         falcon_release_lock_if_possible( hostdata );
-         return SCSI_ABORT_SUCCESS;
-       } else {
-/*       local_irq_restore(flags); */
-         printk("scsi%d: abort of connected command failed!\n", HOSTNO);
-         return SCSI_ABORT_ERROR;
-       } 
-   }
+                       local_irq_restore(flags);
+                       cmd->scsi_done(cmd);
+                       falcon_release_lock_if_possible(hostdata);
+                       return SCSI_ABORT_SUCCESS;
+               } else {
+/*                     local_irq_restore(flags); */
+                       printk("scsi%d: abort of connected command failed!\n", HOSTNO);
+                       return SCSI_ABORT_ERROR;
+               }
+       }
 #endif
 
-/* 
- * Case 2 : If the command hasn't been issued yet, we simply remove it 
- *         from the issue queue.
- */
-    for (prev = (Scsi_Cmnd **) &(hostdata->issue_queue), 
-       tmp = (Scsi_Cmnd *) hostdata->issue_queue;
-       tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp) )
-       if (cmd == tmp) {
-           REMOVE(5, *prev, tmp, NEXT(tmp));
-           (*prev) = NEXT(tmp);
-           NEXT(tmp) = NULL;
-           tmp->result = DID_ABORT << 16;
-           local_irq_restore(flags);
-           ABRT_PRINTK("scsi%d: abort removed command from issue queue.\n",
-                       HOSTNO);
-           /* Tagged queuing note: no tag to free here, hasn't been assigned
-            * yet... */
-           tmp->scsi_done(tmp);
-           falcon_release_lock_if_possible( hostdata );
-           return SCSI_ABORT_SUCCESS;
+       /*
+        * Case 2 : If the command hasn't been issued yet, we simply remove it
+        *          from the issue queue.
+        */
+       for (prev = (Scsi_Cmnd **)&(hostdata->issue_queue),
+            tmp = (Scsi_Cmnd *)hostdata->issue_queue;
+            tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp)) {
+               if (cmd == tmp) {
+                       REMOVE(5, *prev, tmp, NEXT(tmp));
+                       (*prev) = NEXT(tmp);
+                       SET_NEXT(tmp, NULL);
+                       tmp->result = DID_ABORT << 16;
+                       local_irq_restore(flags);
+                       ABRT_PRINTK("scsi%d: abort removed command from issue queue.\n",
+                                   HOSTNO);
+                       /* Tagged queuing note: no tag to free here, hasn't been assigned
+                        * yet... */
+                       tmp->scsi_done(tmp);
+                       falcon_release_lock_if_possible(hostdata);
+                       return SCSI_ABORT_SUCCESS;
+               }
        }
 
-/* 
- * Case 3 : If any commands are connected, we're going to fail the abort
- *         and let the high level SCSI driver retry at a later time or 
- *         issue a reset.
- *
- *         Timeouts, and therefore aborted commands, will be highly unlikely
- *          and handling them cleanly in this situation would make the common
- *         case of noresets less efficient, and would pollute our code.  So,
- *         we fail.
- */
+       /*
+        * Case 3 : If any commands are connected, we're going to fail the abort
+        *          and let the high level SCSI driver retry at a later time or
+        *          issue a reset.
+        *
+        *          Timeouts, and therefore aborted commands, will be highly unlikely
+        *          and handling them cleanly in this situation would make the common
+        *          case of noresets less efficient, and would pollute our code.  So,
+        *          we fail.
+        */
 
-    if (hostdata->connected) {
-       local_irq_restore(flags);
-       ABRT_PRINTK("scsi%d: abort failed, command connected.\n", HOSTNO);
-        return SCSI_ABORT_SNOOZE;
-    }
+       if (hostdata->connected) {
+               local_irq_restore(flags);
+               ABRT_PRINTK("scsi%d: abort failed, command connected.\n", HOSTNO);
+               return SCSI_ABORT_SNOOZE;
+       }
 
-/*
- * Case 4: If the command is currently disconnected from the bus, and 
- *     there are no connected commands, we reconnect the I_T_L or 
- *     I_T_L_Q nexus associated with it, go into message out, and send 
- *      an abort message.
- *
- * This case is especially ugly. In order to reestablish the nexus, we
- * need to call NCR5380_select().  The easiest way to implement this 
- * function was to abort if the bus was busy, and let the interrupt
- * handler triggered on the SEL for reselect take care of lost arbitrations
- * where necessary, meaning interrupts need to be enabled.
- *
- * When interrupts are enabled, the queues may change - so we 
- * can't remove it from the disconnected queue before selecting it
- * because that could cause a failure in hashing the nexus if that 
- * device reselected.
- * 
- * Since the queues may change, we can't use the pointers from when we
- * first locate it.
- *
- * So, we must first locate the command, and if NCR5380_select()
- * succeeds, then issue the abort, relocate the command and remove
- * it from the disconnected queue.
- */
+       /*
+        * Case 4: If the command is currently disconnected from the bus, and
+        *      there are no connected commands, we reconnect the I_T_L or
+        *      I_T_L_Q nexus associated with it, go into message out, and send
+        *      an abort message.
+        *
+        * This case is especially ugly. In order to reestablish the nexus, we
+        * need to call NCR5380_select().  The easiest way to implement this
+        * function was to abort if the bus was busy, and let the interrupt
+        * handler triggered on the SEL for reselect take care of lost arbitrations
+        * where necessary, meaning interrupts need to be enabled.
+        *
+        * When interrupts are enabled, the queues may change - so we
+        * can't remove it from the disconnected queue before selecting it
+        * because that could cause a failure in hashing the nexus if that
+        * device reselected.
+        *
+        * Since the queues may change, we can't use the pointers from when we
+        * first locate it.
+        *
+        * So, we must first locate the command, and if NCR5380_select()
+        * succeeds, then issue the abort, relocate the command and remove
+        * it from the disconnected queue.
+        */
+
+       for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue; tmp;
+            tmp = NEXT(tmp)) {
+               if (cmd == tmp) {
+                       local_irq_restore(flags);
+                       ABRT_PRINTK("scsi%d: aborting disconnected command.\n", HOSTNO);
+
+                       if (NCR5380_select(instance, cmd, (int)cmd->tag))
+                               return SCSI_ABORT_BUSY;
+
+                       ABRT_PRINTK("scsi%d: nexus reestablished.\n", HOSTNO);
+
+                       do_abort(instance);
 
-    for (tmp = (Scsi_Cmnd *) hostdata->disconnected_queue; tmp;
-        tmp = NEXT(tmp)) 
-        if (cmd == tmp) {
-            local_irq_restore(flags);
-           ABRT_PRINTK("scsi%d: aborting disconnected command.\n", HOSTNO);
-  
-            if (NCR5380_select (instance, cmd, (int) cmd->tag)) 
-               return SCSI_ABORT_BUSY;
-
-           ABRT_PRINTK("scsi%d: nexus reestablished.\n", HOSTNO);
-
-           do_abort (instance);
-
-           local_irq_save(flags);
-           for (prev = (Scsi_Cmnd **) &(hostdata->disconnected_queue), 
-               tmp = (Scsi_Cmnd *) hostdata->disconnected_queue;
-               tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp) )
-                   if (cmd == tmp) {
-                   REMOVE(5, *prev, tmp, NEXT(tmp));
-                   *prev = NEXT(tmp);
-                   NEXT(tmp) = NULL;
-                   tmp->result = DID_ABORT << 16;
-                   /* We must unlock the tag/LUN immediately here, since the
-                    * target goes to BUS FREE and doesn't send us another
-                    * message (COMMAND_COMPLETE or the like)
-                    */
+                       local_irq_save(flags);
+                       for (prev = (Scsi_Cmnd **)&(hostdata->disconnected_queue),
+                            tmp = (Scsi_Cmnd *)hostdata->disconnected_queue;
+                            tmp; prev = NEXTADDR(tmp), tmp = NEXT(tmp)) {
+                               if (cmd == tmp) {
+                                       REMOVE(5, *prev, tmp, NEXT(tmp));
+                                       *prev = NEXT(tmp);
+                                       SET_NEXT(tmp, NULL);
+                                       tmp->result = DID_ABORT << 16;
+                                       /* We must unlock the tag/LUN immediately here, since the
+                                        * target goes to BUS FREE and doesn't send us another
+                                        * message (COMMAND_COMPLETE or the like)
+                                        */
 #ifdef SUPPORT_TAGS
-                   cmd_free_tag( tmp );
+                                       cmd_free_tag(tmp);
 #else
-                   hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
+                                       hostdata->busy[cmd->device->id] &= ~(1 << cmd->device->lun);
 #endif
-                   local_irq_restore(flags);
-                   tmp->scsi_done(tmp);
-                   falcon_release_lock_if_possible( hostdata );
-                   return SCSI_ABORT_SUCCESS;
+                                       local_irq_restore(flags);
+                                       tmp->scsi_done(tmp);
+                                       falcon_release_lock_if_possible(hostdata);
+                                       return SCSI_ABORT_SUCCESS;
+                               }
+                       }
                }
        }
 
-/*
- * Case 5 : If we reached this point, the command was not found in any of 
- *         the queues.
- *
- * We probably reached this point because of an unlikely race condition
- * between the command completing successfully and the abortion code,
- * so we won't panic, but we will notify the user in case something really
- * broke.
- */
+       /*
+        * Case 5 : If we reached this point, the command was not found in any of
+        *          the queues.
+        *
+        * We probably reached this point because of an unlikely race condition
+        * between the command completing successfully and the abortion code,
+        * so we won't panic, but we will notify the user in case something really
+        * broke.
+        */
 
-    local_irq_restore(flags);
-    printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully\n"
-           KERN_INFO "        before abortion\n", HOSTNO); 
+       local_irq_restore(flags);
+       printk(KERN_INFO "scsi%d: warning : SCSI command probably completed successfully before abortion\n", HOSTNO);
 
-/* Maybe it is sufficient just to release the ST-DMA lock... (if
- * possible at all) At least, we should check if the lock could be
- * released after the abort, in case it is kept due to some bug.
- */
-    falcon_release_lock_if_possible( hostdata );
+       /* Maybe it is sufficient just to release the ST-DMA lock... (if
+        * possible at all) At least, we should check if the lock could be
+        * released after the abort, in case it is kept due to some bug.
+        */
+       falcon_release_lock_if_possible(hostdata);
 
-    return SCSI_ABORT_NOT_RUNNING;
+       return SCSI_ABORT_NOT_RUNNING;
 }
 
 
-/* 
+/*
  * Function : int NCR5380_reset (Scsi_Cmnd *cmd)
- * 
+ *
  * Purpose : reset the SCSI bus.
  *
  * Returns : SCSI_RESET_WAKEUP
  *
- */ 
+ */
 
-static int NCR5380_bus_reset( Scsi_Cmnd *cmd)
+static int NCR5380_bus_reset(Scsi_Cmnd *cmd)
 {
-    SETUP_HOSTDATA(cmd->device->host);
-    int           i;
-    unsigned long flags;
+       SETUP_HOSTDATA(cmd->device->host);
+       int i;
+       unsigned long flags;
 #if 1
-    Scsi_Cmnd *connected, *disconnected_queue;
+       Scsi_Cmnd *connected, *disconnected_queue;
 #endif
 
-    if (!IS_A_TT() && !falcon_got_lock)
-       printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_reset\n",
-              H_NO(cmd) );
-
-    NCR5380_print_status (cmd->device->host);
-
-    /* get in phase */
-    NCR5380_write( TARGET_COMMAND_REG,
-                  PHASE_SR_TO_TCR( NCR5380_read(STATUS_REG) ));
-    /* assert RST */
-    NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST );
-    udelay (40);
-    /* reset NCR registers */
-    NCR5380_write( INITIATOR_COMMAND_REG, ICR_BASE );
-    NCR5380_write( MODE_REG, MR_BASE );
-    NCR5380_write( TARGET_COMMAND_REG, 0 );
-    NCR5380_write( SELECT_ENABLE_REG, 0 );
-    /* ++roman: reset interrupt condition! otherwise no interrupts don't get
-     * through anymore ... */
-    (void)NCR5380_read( RESET_PARITY_INTERRUPT_REG );
-
-#if 1 /* XXX Should now be done by midlevel code, but it's broken XXX */
-      /* XXX see below                                            XXX */
-
-    /* MSch: old-style reset: actually abort all command processing here */
-
-    /* After the reset, there are no more connected or disconnected commands
-     * and no busy units; to avoid problems with re-inserting the commands
-     * into the issue_queue (via scsi_done()), the aborted commands are
-     * remembered in local variables first.
-     */
-    local_irq_save(flags);
-    connected = (Scsi_Cmnd *)hostdata->connected;
-    hostdata->connected = NULL;
-    disconnected_queue = (Scsi_Cmnd *)hostdata->disconnected_queue;
-    hostdata->disconnected_queue = NULL;
+       if (!IS_A_TT() && !falcon_got_lock)
+               printk(KERN_ERR "scsi%d: !!BINGO!! Falcon has no lock in NCR5380_reset\n",
+                      H_NO(cmd));
+
+       NCR5380_print_status(cmd->device->host);
+
+       /* get in phase */
+       NCR5380_write(TARGET_COMMAND_REG,
+                     PHASE_SR_TO_TCR(NCR5380_read(STATUS_REG)));
+       /* assert RST */
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE | ICR_ASSERT_RST);
+       udelay(40);
+       /* reset NCR registers */
+       NCR5380_write(INITIATOR_COMMAND_REG, ICR_BASE);
+       NCR5380_write(MODE_REG, MR_BASE);
+       NCR5380_write(TARGET_COMMAND_REG, 0);
+       NCR5380_write(SELECT_ENABLE_REG, 0);
+       /* ++roman: reset interrupt condition! otherwise no interrupts don't get
+        * through anymore ... */
+       (void)NCR5380_read(RESET_PARITY_INTERRUPT_REG);
+
+#if 1  /* XXX Should now be done by midlevel code, but it's broken XXX */
+       /* XXX see below                                            XXX */
+
+       /* MSch: old-style reset: actually abort all command processing here */
+
+       /* After the reset, there are no more connected or disconnected commands
+        * and no busy units; to avoid problems with re-inserting the commands
+        * into the issue_queue (via scsi_done()), the aborted commands are
+        * remembered in local variables first.
+        */
+       local_irq_save(flags);
+       connected = (Scsi_Cmnd *)hostdata->connected;
+       hostdata->connected = NULL;
+       disconnected_queue = (Scsi_Cmnd *)hostdata->disconnected_queue;
+       hostdata->disconnected_queue = NULL;
 #ifdef SUPPORT_TAGS
-    free_all_tags();
+       free_all_tags();
 #endif
-    for( i = 0; i < 8; ++i )
-       hostdata->busy[i] = 0;
+       for (i = 0; i < 8; ++i)
+               hostdata->busy[i] = 0;
 #ifdef REAL_DMA
-    hostdata->dma_len = 0;
+       hostdata->dma_len = 0;
 #endif
-    local_irq_restore(flags);
-
-    /* In order to tell the mid-level code which commands were aborted, 
-     * set the command status to DID_RESET and call scsi_done() !!!
-     * This ultimately aborts processing of these commands in the mid-level.
-     */
-
-    if ((cmd = connected)) {
-       ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
-       cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
-       cmd->scsi_done( cmd );
-    }
-
-    for (i = 0; (cmd = disconnected_queue); ++i) {
-       disconnected_queue = NEXT(cmd);
-       NEXT(cmd) = NULL;
-       cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
-       cmd->scsi_done( cmd );
-    }
-    if (i > 0)
-       ABRT_PRINTK("scsi: reset aborted %d disconnected command(s)\n", i);
-
-/* The Falcon lock should be released after a reset...
- */
-/* ++guenther: moved to atari_scsi_reset(), to prevent a race between
- * unlocking and enabling dma interrupt.
- */
-/*    falcon_release_lock_if_possible( hostdata );*/
+       local_irq_restore(flags);
+
+       /* In order to tell the mid-level code which commands were aborted,
+        * set the command status to DID_RESET and call scsi_done() !!!
+        * This ultimately aborts processing of these commands in the mid-level.
+        */
+
+       if ((cmd = connected)) {
+               ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
+               cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
+               cmd->scsi_done(cmd);
+       }
 
-    /* since all commands have been explicitly terminated, we need to tell
-     * the midlevel code that the reset was SUCCESSFUL, and there is no 
-     * need to 'wake up' the commands by a request_sense
-     */
-    return SCSI_RESET_SUCCESS | SCSI_RESET_BUS_RESET;
+       for (i = 0; (cmd = disconnected_queue); ++i) {
+               disconnected_queue = NEXT(cmd);
+               SET_NEXT(cmd, NULL);
+               cmd->result = (cmd->result & 0xffff) | (DID_RESET << 16);
+               cmd->scsi_done(cmd);
+       }
+       if (i > 0)
+               ABRT_PRINTK("scsi: reset aborted %d disconnected command(s)\n", i);
+
+       /* The Falcon lock should be released after a reset...
+        */
+       /* ++guenther: moved to atari_scsi_reset(), to prevent a race between
+        * unlocking and enabling dma interrupt.
+        */
+/*     falcon_release_lock_if_possible( hostdata );*/
+
+       /* since all commands have been explicitly terminated, we need to tell
+        * the midlevel code that the reset was SUCCESSFUL, and there is no
+        * need to 'wake up' the commands by a request_sense
+        */
+       return SCSI_RESET_SUCCESS | SCSI_RESET_BUS_RESET;
 #else /* 1 */
 
-    /* MSch: new-style reset handling: let the mid-level do what it can */
-
-    /* ++guenther: MID-LEVEL IS STILL BROKEN.
-     * Mid-level is supposed to requeue all commands that were active on the
-     * various low-level queues. In fact it does this, but that's not enough
-     * because all these commands are subject to timeout. And if a timeout
-     * happens for any removed command, *_abort() is called but all queues
-     * are now empty. Abort then gives up the falcon lock, which is fatal,
-     * since the mid-level will queue more commands and must have the lock
-     * (it's all happening inside timer interrupt handler!!).
-     * Even worse, abort will return NOT_RUNNING for all those commands not
-     * on any queue, so they won't be retried ...
-     *
-     * Conclusion: either scsi.c disables timeout for all resetted commands
-     * immediately, or we lose!  As of linux-2.0.20 it doesn't.
-     */
-
-    /* After the reset, there are no more connected or disconnected commands
-     * and no busy units; so clear the low-level status here to avoid 
-     * conflicts when the mid-level code tries to wake up the affected 
-     * commands!
-     */
-
-    if (hostdata->issue_queue)
-       ABRT_PRINTK("scsi%d: reset aborted issued command(s)\n", H_NO(cmd));
-    if (hostdata->connected) 
-       ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
-    if (hostdata->disconnected_queue)
-       ABRT_PRINTK("scsi%d: reset aborted disconnected command(s)\n", H_NO(cmd));
-
-    local_irq_save(flags);
-    hostdata->issue_queue = NULL;
-    hostdata->connected = NULL;
-    hostdata->disconnected_queue = NULL;
+       /* MSch: new-style reset handling: let the mid-level do what it can */
+
+       /* ++guenther: MID-LEVEL IS STILL BROKEN.
+        * Mid-level is supposed to requeue all commands that were active on the
+        * various low-level queues. In fact it does this, but that's not enough
+        * because all these commands are subject to timeout. And if a timeout
+        * happens for any removed command, *_abort() is called but all queues
+        * are now empty. Abort then gives up the falcon lock, which is fatal,
+        * since the mid-level will queue more commands and must have the lock
+        * (it's all happening inside timer interrupt handler!!).
+        * Even worse, abort will return NOT_RUNNING for all those commands not
+        * on any queue, so they won't be retried ...
+        *
+        * Conclusion: either scsi.c disables timeout for all resetted commands
+        * immediately, or we lose!  As of linux-2.0.20 it doesn't.
+        */
+
+       /* After the reset, there are no more connected or disconnected commands
+        * and no busy units; so clear the low-level status here to avoid
+        * conflicts when the mid-level code tries to wake up the affected
+        * commands!
+        */
+
+       if (hostdata->issue_queue)
+               ABRT_PRINTK("scsi%d: reset aborted issued command(s)\n", H_NO(cmd));
+       if (hostdata->connected)
+               ABRT_PRINTK("scsi%d: reset aborted a connected command\n", H_NO(cmd));
+       if (hostdata->disconnected_queue)
+               ABRT_PRINTK("scsi%d: reset aborted disconnected command(s)\n", H_NO(cmd));
+
+       local_irq_save(flags);
+       hostdata->issue_queue = NULL;
+       hostdata->connected = NULL;
+       hostdata->disconnected_queue = NULL;
 #ifdef SUPPORT_TAGS
-    free_all_tags();
+       free_all_tags();
 #endif
-    for( i = 0; i < 8; ++i )
-       hostdata->busy[i] = 0;
+       for (i = 0; i < 8; ++i)
+               hostdata->busy[i] = 0;
 #ifdef REAL_DMA
-    hostdata->dma_len = 0;
+       hostdata->dma_len = 0;
 #endif
-    local_irq_restore(flags);
+       local_irq_restore(flags);
 
-    /* we did no complete reset of all commands, so a wakeup is required */
-    return SCSI_RESET_WAKEUP | SCSI_RESET_BUS_RESET;
+       /* we did no complete reset of all commands, so a wakeup is required */
+       return SCSI_RESET_WAKEUP | SCSI_RESET_BUS_RESET;
 #endif /* 1 */
 }
-
-/* Local Variables: */
-/* tab-width: 8     */
-/* End:             */