[SCSI] megaraid_sas: Fix FastPath I/O to work on degraded raid 1

[linux-2.6.git] / drivers / scsi / dtc.c

diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c
index da1aaa413fed3ab8011beb81f1a75db959945c48..c2677ba29c74619ad581b895018ffd07ee3ce9b5 100644 (file)
--- a/drivers/scsi/dtc.c
+++ b/drivers/scsi/dtc.c
@@ -75,14 +75,13 @@
 #include <asm/system.h>
 #include <linux/module.h>
 #include <linux/signal.h>
-#include <linux/sched.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
 #include <linux/stat.h>
 #include <linux/string.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include "scsi.h"
 #include <scsi/scsi_host.h>
 #include "dtc.h"
@@ -92,10 +91,6 @@
 
 #define DTC_PUBLIC_RELEASE 2
 
-/*#define DTCDEBUG 0x1*/
-#define DTCDEBUG_INIT  0x1
-#define DTCDEBUG_TRANSFER 0x2
-
 /*
  * The DTC3180 & 3280 boards are memory mapped.
  * 
@@ -142,46 +137,44 @@ static struct override {
 #ifdef OVERRIDE
 [] __initdata = OVERRIDE;
 #else
-[4] __initdata = { {
-0, IRQ_AUTO}, {
-0, IRQ_AUTO}, {
-0, IRQ_AUTO}, {
-0, IRQ_AUTO}};
+[4] __initdata = {
+       { 0, IRQ_AUTO }, { 0, IRQ_AUTO }, { 0, IRQ_AUTO }, { 0, IRQ_AUTO }
+};
 #endif
 
-#define NO_OVERRIDES (sizeof(overrides) / sizeof(struct override))
+#define NO_OVERRIDES ARRAY_SIZE(overrides)
 
 static struct base {
        unsigned long address;
        int noauto;
-} bases[] __initdata = { 
-       { 0xcc000, 0 }, 
-       { 0xc8000, 0 }, 
-       { 0xdc000, 0 }, 
+} bases[] __initdata = {
+       { 0xcc000, 0 },
+       { 0xc8000, 0 },
+       { 0xdc000, 0 },
        { 0xd8000, 0 }
 };
 
-#define NO_BASES (sizeof (bases) / sizeof (struct base))
+#define NO_BASES ARRAY_SIZE(bases)
 
 static const struct signature {
        const char *string;
        int offset;
-} signatures[] = { 
+} signatures[] = {
        {"DATA TECHNOLOGY CORPORATION BIOS", 0x25},
 };
 
-#define NO_SIGNATURES (sizeof (signatures) /  sizeof (struct signature))
+#define NO_SIGNATURES ARRAY_SIZE(signatures)
 
 #ifndef MODULE
 /*
  * Function : dtc_setup(char *str, int *ints)
  *
  * Purpose : LILO command line initialization of the overrides array,
- * 
+ *
  * Inputs : str - unused, ints - array of integer parameters with ints[0]
  *     equal to the number of ints.
  *
-*/
+ */
 
 static void __init dtc_setup(char *str, int *ints)
 {
@@ -203,7 +196,7 @@ static void __init dtc_setup(char *str, int *ints)
 #endif
 
 /* 
- * Function : int dtc_detect(Scsi_Host_Template * tpnt)
+ * Function : int dtc_detect(struct scsi_host_template * tpnt)
  *
  * Purpose : detects and initializes DTC 3180/3280 controllers
  *     that were autoprobed, overridden on the LILO command line, 
@@ -215,7 +208,7 @@ static void __init dtc_setup(char *str, int *ints)
  *
 */
 
-static int __init dtc_detect(Scsi_Host_Template * tpnt)
+static int __init dtc_detect(struct scsi_host_template * tpnt)
 {
        static int current_override = 0, current_base = 0;
        struct Scsi_Host *instance;
@@ -238,7 +231,7 @@ static int __init dtc_detect(Scsi_Host_Template * tpnt)
                } else
                        for (; !addr && (current_base < NO_BASES); ++current_base) {
 #if (DTCDEBUG & DTCDEBUG_INIT)
-                               printk("scsi-dtc : probing address %08x\n", bases[current_base].address);
+                               printk(KERN_DEBUG "scsi-dtc : probing address %08x\n", bases[current_base].address);
 #endif
                                if (bases[current_base].noauto)
                                        continue;
@@ -249,7 +242,7 @@ static int __init dtc_detect(Scsi_Host_Template * tpnt)
                                        if (check_signature(base + signatures[sig].offset, signatures[sig].string, strlen(signatures[sig].string))) {
                                                addr = bases[current_base].address;
 #if (DTCDEBUG & DTCDEBUG_INIT)
-                                               printk("scsi-dtc : detected board.\n");
+                                               printk(KERN_DEBUG "scsi-dtc : detected board.\n");
 #endif
                                                goto found;
                                        }
@@ -258,7 +251,7 @@ static int __init dtc_detect(Scsi_Host_Template * tpnt)
                        }
 
 #if defined(DTCDEBUG) && (DTCDEBUG & DTCDEBUG_INIT)
-               printk("scsi-dtc : base = %08x\n", addr);
+               printk(KERN_DEBUG "scsi-dtc : base = %08x\n", addr);
 #endif
 
                if (!addr)
@@ -284,7 +277,8 @@ found:
                /* With interrupts enabled, it will sometimes hang when doing heavy
                 * reads. So better not enable them until I finger it out. */
                if (instance->irq != SCSI_IRQ_NONE)
-                       if (request_irq(instance->irq, dtc_intr, SA_INTERRUPT, "dtc", instance)) {
+                       if (request_irq(instance->irq, dtc_intr, IRQF_DISABLED,
+                                       "dtc", instance)) {
                                printk(KERN_ERR "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
                                instance->irq = SCSI_IRQ_NONE;
                        }
@@ -466,7 +460,7 @@ static int dtc_release(struct Scsi_Host *shost)
        NCR5380_local_declare();
        NCR5380_setup(shost);
        if (shost->irq)
-               free_irq(shost->irq, NULL);
+               free_irq(shost->irq, shost);
        NCR5380_exit(shost);
        if (shost->io_port && shost->n_io_port)
                release_region(shost->io_port, shost->n_io_port);
@@ -475,15 +469,13 @@ static int dtc_release(struct Scsi_Host *shost)
        return 0;
 }
 
-static Scsi_Host_Template driver_template = {
+static struct scsi_host_template driver_template = {
        .name                           = "DTC 3180/3280 ",
        .detect                         = dtc_detect,
        .release                        = dtc_release,
        .queuecommand                   = dtc_queue_command,
        .eh_abort_handler               = dtc_abort,
        .eh_bus_reset_handler           = dtc_bus_reset,
-       .eh_device_reset_handler        = dtc_device_reset,
-       .eh_host_reset_handler          = dtc_host_reset,
        .bios_param                     = dtc_biosparam,
        .can_queue                      = CAN_QUEUE,
        .this_id                        = 7,