Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / drivers / scsi / ide-scsi.c

diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c
index 83f062ed9082ac7e91e0dca720e3c57bd5a01ea7..e1960d69fb90dd756eb69b09c532a012259819c3 100644 (file)
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -46,6 +46,7 @@
 #include <linux/slab.h>
 #include <linux/ide.h>
 #include <linux/scatterlist.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/bitops.h>
@@ -183,13 +184,16 @@ static void idescsi_input_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsigne
                        unsigned long flags;
 
                        local_irq_save(flags);
-                       buf = kmap_atomic(pc->sg->page, KM_IRQ0) + pc->sg->offset;
-                       drive->hwif->atapi_input_bytes(drive, buf + pc->b_count, count);
+                       buf = kmap_atomic(pc->sg->page, KM_IRQ0) +
+                                       pc->sg->offset;
+                       drive->hwif->atapi_input_bytes(drive,
+                                               buf + pc->b_count, count);
                        kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
                        local_irq_restore(flags);
                } else {
                        buf = page_address(pc->sg->page) + pc->sg->offset;
-                       drive->hwif->atapi_input_bytes(drive, buf + pc->b_count, count);
+                       drive->hwif->atapi_input_bytes(drive,
+                                               buf + pc->b_count, count);
                }
                bcount -= count; pc->b_count += count;
                if (pc->b_count == pc->sg->length) {
@@ -215,13 +219,16 @@ static void idescsi_output_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsign
                        unsigned long flags;
 
                        local_irq_save(flags);
-                       buf = kmap_atomic(pc->sg->page, KM_IRQ0) + pc->sg->offset;
-                       drive->hwif->atapi_output_bytes(drive, buf + pc->b_count, count);
+                       buf = kmap_atomic(pc->sg->page, KM_IRQ0) +
+                                               pc->sg->offset;
+                       drive->hwif->atapi_output_bytes(drive,
+                                               buf + pc->b_count, count);
                        kunmap_atomic(buf - pc->sg->offset, KM_IRQ0);
                        local_irq_restore(flags);
                } else {
                        buf = page_address(pc->sg->page) + pc->sg->offset;
-                       drive->hwif->atapi_output_bytes(drive, buf + pc->b_count, count);
+                       drive->hwif->atapi_output_bytes(drive,
+                                               buf + pc->b_count, count);
                }
                bcount -= count; pc->b_count += count;
                if (pc->b_count == pc->sg->length) {
@@ -324,9 +331,9 @@ static int idescsi_check_condition(ide_drive_t *drive, struct request *failed_co
        rq = kmalloc (sizeof (struct request), GFP_ATOMIC);
        buf = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_ATOMIC);
        if (pc == NULL || rq == NULL || buf == NULL) {
-               if (pc) kfree(pc);
-               if (rq) kfree(rq);
-               if (buf) kfree(buf);
+               kfree(buf);
+               kfree(rq);
+               kfree(pc);
                return -ENOMEM;
        }
        memset (pc, 0, sizeof (idescsi_pc_t));
@@ -388,6 +395,7 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs)
        int log = test_bit(IDESCSI_LOG_CMD, &scsi->log);
        struct Scsi_Host *host;
        u8 *scsi_buf;
+       int errors = rq->errors;
        unsigned long flags;
 
        if (!(rq->flags & (REQ_SPECIAL|REQ_SENSE))) {
@@ -414,11 +422,11 @@ static int idescsi_end_request (ide_drive_t *drive, int uptodate, int nrsecs)
                        printk (KERN_WARNING "ide-scsi: %s: timed out for %lu\n",
                                        drive->name, pc->scsi_cmd->serial_number);
                pc->scsi_cmd->result = DID_TIME_OUT << 16;
-       } else if (rq->errors >= ERROR_MAX) {
+       } else if (errors >= ERROR_MAX) {
                pc->scsi_cmd->result = DID_ERROR << 16;
                if (log)
                        printk ("ide-scsi: %s: I/O error for %lu\n", drive->name, pc->scsi_cmd->serial_number);
-       } else if (rq->errors) {
+       } else if (errors) {
                if (log)
                        printk ("ide-scsi: %s: check condition for %lu\n", drive->name, pc->scsi_cmd->serial_number);
                if (!idescsi_check_condition(drive, rq))
@@ -874,7 +882,7 @@ static inline int should_transform(ide_drive_t *drive, struct scsi_cmnd *cmd)
        struct gendisk *disk = cmd->request->rq_disk;
 
        if (disk) {
-               struct Scsi_Device_Template **p = disk->private_data;
+               struct struct scsi_device_Template **p = disk->private_data;
                if (strcmp((*p)->scsi_driverfs_driver.name, "sg") == 0)
                        return test_bit(IDESCSI_SG_TRANSFORM, &scsi->transform);
        }
@@ -892,7 +900,7 @@ static int idescsi_queue (struct scsi_cmnd *cmd,
        idescsi_pc_t *pc = NULL;
 
        if (!drive) {
-               printk (KERN_ERR "ide-scsi: drive id %d not present\n", cmd->device->id);
+               scmd_printk (KERN_ERR, cmd, "drive not present\n");
                goto abort;
        }
        scsi = drive_to_idescsi(drive);
@@ -942,8 +950,8 @@ static int idescsi_queue (struct scsi_cmnd *cmd,
        spin_lock_irq(host->host_lock);
        return 0;
 abort:
-       if (pc) kfree (pc);
-       if (rq) kfree (rq);
+       kfree (pc);
+       kfree (rq);
        cmd->result = DID_ERROR << 16;
        done(cmd);
        return 0;
@@ -1026,11 +1034,13 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd)
                return FAILED;
        }
 
-       spin_lock_irq(&ide_lock);
+       spin_lock_irq(cmd->device->host->host_lock);
+       spin_lock(&ide_lock);
 
        if (!scsi->pc || (req = scsi->pc->rq) != HWGROUP(drive)->rq || !HWGROUP(drive)->handler) {
                printk (KERN_WARNING "ide-scsi: No active request in idescsi_eh_reset\n");
                spin_unlock(&ide_lock);
+               spin_unlock_irq(cmd->device->host->host_lock);
                return FAILED;
        }
 
@@ -1052,16 +1062,15 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd)
        HWGROUP(drive)->rq = NULL;
        HWGROUP(drive)->handler = NULL;
        HWGROUP(drive)->busy = 1;               /* will set this to zero when ide reset finished */
-       spin_unlock_irq(&ide_lock);
+       spin_unlock(&ide_lock);
 
        ide_do_reset(drive);
 
        /* ide_do_reset starts a polling handler which restarts itself every 50ms until the reset finishes */
 
        do {
-               set_current_state(TASK_UNINTERRUPTIBLE);
                spin_unlock_irq(cmd->device->host->host_lock);
-               schedule_timeout(HZ/20);
+               msleep(50);
                spin_lock_irq(cmd->device->host->host_lock);
        } while ( HWGROUP(drive)->handler );
 
@@ -1072,6 +1081,7 @@ static int idescsi_eh_reset (struct scsi_cmnd *cmd)
                ret = FAILED;
        }
 
+       spin_unlock_irq(cmd->device->host->host_lock);
        return ret;
 }