[SCSI] a3000: Reindentation
Geert Uytterhoeven [Sun, 4 Apr 2010 09:00:35 +0000 (11:00 +0200)]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/a3000.c
drivers/scsi/a3000.h

index 2915684..31434f7 100644 (file)
 #include "wd33c93.h"
 #include "a3000.h"
 
-#include<linux/stat.h>
+#include <linux/stat.h>
 
-#define DMA(ptr) ((a3000_scsiregs *)((ptr)->base))
-#define HDATA(ptr) ((struct WD33C93_hostdata *)((ptr)->hostdata))
+
+#define DMA(ptr)       ((a3000_scsiregs *)((ptr)->base))
+#define HDATA(ptr)     ((struct WD33C93_hostdata *)((ptr)->hostdata))
 
 static struct Scsi_Host *a3000_host = NULL;
 
 static int a3000_release(struct Scsi_Host *instance);
 
-static irqreturn_t a3000_intr (int irq, void *dummy)
+static irqreturn_t a3000_intr(int irq, void *dummy)
 {
        unsigned long flags;
        unsigned int status = DMA(a3000_host)->ISTR;
 
        if (!(status & ISTR_INT_P))
                return IRQ_NONE;
-       if (status & ISTR_INTS)
-       {
+       if (status & ISTR_INTS) {
                spin_lock_irqsave(a3000_host->host_lock, flags);
-               wd33c93_intr (a3000_host);
+               wd33c93_intr(a3000_host);
                spin_unlock_irqrestore(a3000_host->host_lock, flags);
                return IRQ_HANDLED;
        }
@@ -48,161 +48,161 @@ static irqreturn_t a3000_intr (int irq, void *dummy)
 
 static int dma_setup(struct scsi_cmnd *cmd, int dir_in)
 {
-    unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
-    unsigned long addr = virt_to_bus(cmd->SCp.ptr);
-
-    /*
-     * if the physical address has the wrong alignment, or if
-     * physical address is bad, or if it is a write and at the
-     * end of a physical memory chunk, then allocate a bounce
-     * buffer
-     */
-    if (addr & A3000_XFER_MASK)
-    {
-       HDATA(a3000_host)->dma_bounce_len = (cmd->SCp.this_residual + 511)
-           & ~0x1ff;
-       HDATA(a3000_host)->dma_bounce_buffer =
-           kmalloc (HDATA(a3000_host)->dma_bounce_len, GFP_KERNEL);
-       
-       /* can't allocate memory; use PIO */
-       if (!HDATA(a3000_host)->dma_bounce_buffer) {
-           HDATA(a3000_host)->dma_bounce_len = 0;
-           return 1;
-       }
-
-       if (!dir_in) {
-           /* copy to bounce buffer for a write */
-           memcpy (HDATA(a3000_host)->dma_bounce_buffer,
-               cmd->SCp.ptr, cmd->SCp.this_residual);
+       unsigned short cntr = CNTR_PDMD | CNTR_INTEN;
+       unsigned long addr = virt_to_bus(cmd->SCp.ptr);
+
+       /*
+        * if the physical address has the wrong alignment, or if
+        * physical address is bad, or if it is a write and at the
+        * end of a physical memory chunk, then allocate a bounce
+        * buffer
+        */
+       if (addr & A3000_XFER_MASK) {
+               HDATA(a3000_host)->dma_bounce_len =
+                       (cmd->SCp.this_residual + 511) & ~0x1ff;
+               HDATA(a3000_host)->dma_bounce_buffer =
+                       kmalloc(HDATA(a3000_host)->dma_bounce_len, GFP_KERNEL);
+
+               /* can't allocate memory; use PIO */
+               if (!HDATA(a3000_host)->dma_bounce_buffer) {
+                       HDATA(a3000_host)->dma_bounce_len = 0;
+                       return 1;
+               }
+
+               if (!dir_in) {
+                       /* copy to bounce buffer for a write */
+                       memcpy(HDATA(a3000_host)->dma_bounce_buffer,
+                              cmd->SCp.ptr, cmd->SCp.this_residual);
+               }
+
+               addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer);
        }
 
-       addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer);
-    }
-
-    /* setup dma direction */
-    if (!dir_in)
-       cntr |= CNTR_DDIR;
+       /* setup dma direction */
+       if (!dir_in)
+               cntr |= CNTR_DDIR;
 
-    /* remember direction */
-    HDATA(a3000_host)->dma_dir = dir_in;
+       /* remember direction */
+       HDATA(a3000_host)->dma_dir = dir_in;
 
-    DMA(a3000_host)->CNTR = cntr;
+       DMA(a3000_host)->CNTR = cntr;
 
-    /* setup DMA *physical* address */
-    DMA(a3000_host)->ACR = addr;
+       /* setup DMA *physical* address */
+       DMA(a3000_host)->ACR = addr;
 
-    if (dir_in)
-       /* invalidate any cache */
-       cache_clear (addr, cmd->SCp.this_residual);
-    else
-       /* push any dirty cache */
-       cache_push (addr, cmd->SCp.this_residual);
+       if (dir_in) {
+               /* invalidate any cache */
+               cache_clear(addr, cmd->SCp.this_residual);
+       } else {
+               /* push any dirty cache */
+               cache_push(addr, cmd->SCp.this_residual);
+       }
 
-    /* start DMA */
-    mb();                      /* make sure setup is completed */
-    DMA(a3000_host)->ST_DMA = 1;
-    mb();                      /* make sure DMA has started before next IO */
+       /* start DMA */
+       mb();                   /* make sure setup is completed */
+       DMA(a3000_host)->ST_DMA = 1;
+       mb();                   /* make sure DMA has started before next IO */
 
-    /* return success */
-    return 0;
+       /* return success */
+       return 0;
 }
 
 static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
                     int status)
 {
-    /* disable SCSI interrupts */
-    unsigned short cntr = CNTR_PDMD;
-
-    if (!HDATA(instance)->dma_dir)
-       cntr |= CNTR_DDIR;
-
-    DMA(instance)->CNTR = cntr;
-    mb();                      /* make sure CNTR is updated before next IO */
-
-    /* flush if we were reading */
-    if (HDATA(instance)->dma_dir) {
-       DMA(instance)->FLUSH = 1;
-       mb();                   /* don't allow prefetch */
-       while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
-           barrier();
-       mb();                   /* no IO until FLUSH is done */
-    }
-
-    /* clear a possible interrupt */
-    /* I think that this CINT is only necessary if you are
-     * using the terminal count features.   HM 7 Mar 1994
-     */
-    DMA(instance)->CINT = 1;
-
-    /* stop DMA */
-    DMA(instance)->SP_DMA = 1;
-    mb();                      /* make sure DMA is stopped before next IO */
-
-    /* restore the CONTROL bits (minus the direction flag) */
-    DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
-    mb();                      /* make sure CNTR is updated before next IO */
-
-    /* copy from a bounce buffer, if necessary */
-    if (status && HDATA(instance)->dma_bounce_buffer) {
-       if (SCpnt) {
-           if (HDATA(instance)->dma_dir && SCpnt)
-               memcpy (SCpnt->SCp.ptr,
-                       HDATA(instance)->dma_bounce_buffer,
-                       SCpnt->SCp.this_residual);
-           kfree (HDATA(instance)->dma_bounce_buffer);
-           HDATA(instance)->dma_bounce_buffer = NULL;
-           HDATA(instance)->dma_bounce_len = 0;
-       } else {
-           kfree (HDATA(instance)->dma_bounce_buffer);
-           HDATA(instance)->dma_bounce_buffer = NULL;
-           HDATA(instance)->dma_bounce_len = 0;
+       /* disable SCSI interrupts */
+       unsigned short cntr = CNTR_PDMD;
+
+       if (!HDATA(instance)->dma_dir)
+               cntr |= CNTR_DDIR;
+
+       DMA(instance)->CNTR = cntr;
+       mb();                   /* make sure CNTR is updated before next IO */
+
+       /* flush if we were reading */
+       if (HDATA(instance)->dma_dir) {
+               DMA(instance)->FLUSH = 1;
+               mb();           /* don't allow prefetch */
+               while (!(DMA(instance)->ISTR & ISTR_FE_FLG))
+                       barrier();
+               mb();           /* no IO until FLUSH is done */
+       }
+
+       /* clear a possible interrupt */
+       /* I think that this CINT is only necessary if you are
+        * using the terminal count features.   HM 7 Mar 1994
+        */
+       DMA(instance)->CINT = 1;
+
+       /* stop DMA */
+       DMA(instance)->SP_DMA = 1;
+       mb();                   /* make sure DMA is stopped before next IO */
+
+       /* restore the CONTROL bits (minus the direction flag) */
+       DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
+       mb();                   /* make sure CNTR is updated before next IO */
+
+       /* copy from a bounce buffer, if necessary */
+       if (status && HDATA(instance)->dma_bounce_buffer) {
+               if (SCpnt) {
+                       if (HDATA(instance)->dma_dir && SCpnt)
+                               memcpy(SCpnt->SCp.ptr,
+                                      HDATA(instance)->dma_bounce_buffer,
+                                      SCpnt->SCp.this_residual);
+                       kfree(HDATA(instance)->dma_bounce_buffer);
+                       HDATA(instance)->dma_bounce_buffer = NULL;
+                       HDATA(instance)->dma_bounce_len = 0;
+               } else {
+                       kfree(HDATA(instance)->dma_bounce_buffer);
+                       HDATA(instance)->dma_bounce_buffer = NULL;
+                       HDATA(instance)->dma_bounce_len = 0;
+               }
        }
-    }
 }
 
 static int __init a3000_detect(struct scsi_host_template *tpnt)
 {
-    wd33c93_regs regs;
-
-    if  (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
-       return 0;
-    if (!request_mem_region(0xDD0000, 256, "wd33c93"))
-       return 0;
-
-    tpnt->proc_name = "A3000";
-    tpnt->proc_info = &wd33c93_proc_info;
-
-    a3000_host = scsi_register (tpnt, sizeof(struct WD33C93_hostdata));
-    if (a3000_host == NULL)
-       goto fail_register;
-
-    a3000_host->base = ZTWO_VADDR(0xDD0000);
-    a3000_host->irq = IRQ_AMIGA_PORTS;
-    DMA(a3000_host)->DAWR = DAWR_A3000;
-    regs.SASR = &(DMA(a3000_host)->SASR);
-    regs.SCMD = &(DMA(a3000_host)->SCMD);
-    HDATA(a3000_host)->no_sync = 0xff;
-    HDATA(a3000_host)->fast = 0;
-    HDATA(a3000_host)->dma_mode = CTRL_DMA;
-    wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
-    if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
-                   a3000_intr))
-        goto fail_irq;
-    DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
-
-    return 1;
+       wd33c93_regs regs;
+
+       if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(A3000_SCSI))
+               return 0;
+       if (!request_mem_region(0xDD0000, 256, "wd33c93"))
+               return 0;
+
+       tpnt->proc_name = "A3000";
+       tpnt->proc_info = &wd33c93_proc_info;
+
+       a3000_host = scsi_register(tpnt, sizeof(struct WD33C93_hostdata));
+       if (a3000_host == NULL)
+               goto fail_register;
+
+       a3000_host->base = ZTWO_VADDR(0xDD0000);
+       a3000_host->irq = IRQ_AMIGA_PORTS;
+       DMA(a3000_host)->DAWR = DAWR_A3000;
+       regs.SASR = &(DMA(a3000_host)->SASR);
+       regs.SCMD = &(DMA(a3000_host)->SCMD);
+       HDATA(a3000_host)->no_sync = 0xff;
+       HDATA(a3000_host)->fast = 0;
+       HDATA(a3000_host)->dma_mode = CTRL_DMA;
+       wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
+       if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
+                       a3000_intr))
+               goto fail_irq;
+       DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
+
+       return 1;
 
 fail_irq:
-    scsi_unregister(a3000_host);
+       scsi_unregister(a3000_host);
 fail_register:
-    release_mem_region(0xDD0000, 256);
-    return 0;
+       release_mem_region(0xDD0000, 256);
+       return 0;
 }
 
 static int a3000_bus_reset(struct scsi_cmnd *cmd)
 {
        /* FIXME perform bus-specific reset */
-       
+
        /* FIXME 2: kill this entire function, which should
           cause mid-layer to call wd33c93_host_reset anyway? */
 
@@ -236,10 +236,10 @@ static struct scsi_host_template driver_template = {
 
 static int a3000_release(struct Scsi_Host *instance)
 {
-    DMA(instance)->CNTR = 0;
-    release_mem_region(0xDD0000, 256);
-    free_irq(IRQ_AMIGA_PORTS, a3000_intr);
-    return 1;
+       DMA(instance)->CNTR = 0;
+       release_mem_region(0xDD0000, 256);
+       free_irq(IRQ_AMIGA_PORTS, a3000_intr);
+       return 1;
 }
 
 MODULE_LICENSE("GPL");
index c7afe16..684813e 100644 (file)
 #include <linux/types.h>
 
 #ifndef CMD_PER_LUN
-#define CMD_PER_LUN 2
+#define CMD_PER_LUN            2
 #endif
 
 #ifndef CAN_QUEUE
-#define CAN_QUEUE 16
+#define CAN_QUEUE              16
 #endif
 
 /*
  * if the transfer address ANDed with this results in a non-zero
  * result, then we can't use DMA.
  */
-#define A3000_XFER_MASK  (0x00000003)
+#define A3000_XFER_MASK                (0x00000003)
 
 typedef struct {
-             unsigned char      pad1[2];
-    volatile unsigned short     DAWR;
-    volatile unsigned int       WTC;
-             unsigned char      pad2[2];
-    volatile unsigned short     CNTR;
-    volatile unsigned long      ACR;
-             unsigned char      pad3[2];
-    volatile unsigned short     ST_DMA;
-             unsigned char      pad4[2];
-    volatile unsigned short     FLUSH;
-             unsigned char      pad5[2];
-    volatile unsigned short     CINT;
-             unsigned char      pad6[2];
-    volatile unsigned short     ISTR;
-            unsigned char      pad7[30];
-    volatile unsigned short     SP_DMA;
-             unsigned char      pad8;
-    volatile unsigned char      SASR;
-             unsigned char      pad9;
-    volatile unsigned char      SCMD;
+                unsigned char  pad1[2];
+       volatile unsigned short DAWR;
+       volatile unsigned int   WTC;
+                unsigned char  pad2[2];
+       volatile unsigned short CNTR;
+       volatile unsigned long  ACR;
+                unsigned char  pad3[2];
+       volatile unsigned short ST_DMA;
+                unsigned char  pad4[2];
+       volatile unsigned short FLUSH;
+                unsigned char  pad5[2];
+       volatile unsigned short CINT;
+                unsigned char  pad6[2];
+       volatile unsigned short ISTR;
+                unsigned char  pad7[30];
+       volatile unsigned short SP_DMA;
+                unsigned char  pad8;
+       volatile unsigned char  SASR;
+                unsigned char  pad9;
+       volatile unsigned char  SCMD;
 } a3000_scsiregs;
 
 #define DAWR_A3000             (3)