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path: root/drivers/ide/ide-pm.c
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Diffstat (limited to 'drivers/ide/ide-pm.c')
-rw-r--r--drivers/ide/ide-pm.c42
1 files changed, 24 insertions, 18 deletions
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 60538d9c84e..ebf2d21ebdc 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -1,6 +1,5 @@
#include <linux/kernel.h>
#include <linux/ide.h>
-#include <linux/hdreg.h>
int generic_ide_suspend(struct device *dev, pm_message_t mesg)
{
@@ -8,7 +7,7 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg)
ide_hwif_t *hwif = drive->hwif;
struct request *rq;
struct request_pm_state rqpm;
- ide_task_t args;
+ struct ide_cmd cmd;
int ret;
/* call ACPI _GTM only once */
@@ -16,10 +15,10 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg)
ide_acpi_get_timing(hwif);
memset(&rqpm, 0, sizeof(rqpm));
- memset(&args, 0, sizeof(args));
+ memset(&cmd, 0, sizeof(cmd));
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq->cmd_type = REQ_TYPE_PM_SUSPEND;
- rq->special = &args;
+ rq->special = &cmd;
rq->data = &rqpm;
rqpm.pm_step = IDE_PM_START_SUSPEND;
if (mesg.event == PM_EVENT_PRETHAW)
@@ -42,7 +41,7 @@ int generic_ide_resume(struct device *dev)
ide_hwif_t *hwif = drive->hwif;
struct request *rq;
struct request_pm_state rqpm;
- ide_task_t args;
+ struct ide_cmd cmd;
int err;
/* call ACPI _PS0 / _STM only once */
@@ -54,11 +53,11 @@ int generic_ide_resume(struct device *dev)
ide_acpi_exec_tfs(drive);
memset(&rqpm, 0, sizeof(rqpm));
- memset(&args, 0, sizeof(args));
+ memset(&cmd, 0, sizeof(cmd));
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq->cmd_type = REQ_TYPE_PM_RESUME;
rq->cmd_flags |= REQ_PREEMPT;
- rq->special = &args;
+ rq->special = &cmd;
rq->data = &rqpm;
rqpm.pm_step = IDE_PM_START_RESUME;
rqpm.pm_state = PM_EVENT_ON;
@@ -109,9 +108,9 @@ void ide_complete_power_step(ide_drive_t *drive, struct request *rq)
ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *rq)
{
struct request_pm_state *pm = rq->data;
- ide_task_t *args = rq->special;
+ struct ide_cmd *cmd = rq->special;
- memset(args, 0, sizeof(*args));
+ memset(cmd, 0, sizeof(*cmd));
switch (pm->pm_step) {
case IDE_PM_FLUSH_CACHE: /* Suspend step 1 (flush cache) */
@@ -124,12 +123,12 @@ ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *rq)
return ide_stopped;
}
if (ata_id_flush_ext_enabled(drive->id))
- args->tf.command = ATA_CMD_FLUSH_EXT;
+ cmd->tf.command = ATA_CMD_FLUSH_EXT;
else
- args->tf.command = ATA_CMD_FLUSH;
+ cmd->tf.command = ATA_CMD_FLUSH;
goto out_do_tf;
case IDE_PM_STANDBY: /* Suspend step 2 (standby) */
- args->tf.command = ATA_CMD_STANDBYNOW1;
+ cmd->tf.command = ATA_CMD_STANDBYNOW1;
goto out_do_tf;
case IDE_PM_RESTORE_PIO: /* Resume step 1 (restore PIO) */
ide_set_max_pio(drive);
@@ -142,7 +141,7 @@ ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *rq)
ide_complete_power_step(drive, rq);
return ide_stopped;
case IDE_PM_IDLE: /* Resume step 2 (idle) */
- args->tf.command = ATA_CMD_IDLEIMMEDIATE;
+ cmd->tf.command = ATA_CMD_IDLEIMMEDIATE;
goto out_do_tf;
case IDE_PM_RESTORE_DMA: /* Resume step 3 (restore DMA) */
/*
@@ -160,27 +159,34 @@ ide_startstop_t ide_start_power_step(ide_drive_t *drive, struct request *rq)
}
pm->pm_step = IDE_PM_COMPLETED;
+
return ide_stopped;
out_do_tf:
- args->tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- args->data_phase = TASKFILE_NO_DATA;
- return do_rw_taskfile(drive, args);
+ cmd->tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+ cmd->protocol = ATA_PROT_NODATA;
+
+ return do_rw_taskfile(drive, cmd);
}
/**
- * ide_complete_pm_request - end the current Power Management request
+ * ide_complete_pm_rq - end the current Power Management request
* @drive: target drive
* @rq: request
*
* This function cleans up the current PM request and stops the queue
* if necessary.
*/
-void ide_complete_pm_request(ide_drive_t *drive, struct request *rq)
+void ide_complete_pm_rq(ide_drive_t *drive, struct request *rq)
{
struct request_queue *q = drive->queue;
+ struct request_pm_state *pm = rq->data;
unsigned long flags;
+ ide_complete_power_step(drive, rq);
+ if (pm->pm_step != IDE_PM_COMPLETED)
+ return;
+
#ifdef DEBUG_PM
printk("%s: completing PM request, %s\n", drive->name,
blk_pm_suspend_request(rq) ? "suspend" : "resume");