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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.c46
1 files changed, 13 insertions, 33 deletions
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 59217aa1d1fb..192e6c65d34e 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -21,7 +21,7 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg)
memset(&rqpm, 0, sizeof(rqpm));
rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, 0);
ide_req(rq)->type = ATA_PRIV_PM_SUSPEND;
- rq->special = &rqpm;
+ ide_req(rq)->special = &rqpm;
rqpm.pm_step = IDE_PM_START_SUSPEND;
if (mesg.event == PM_EVENT_PRETHAW)
mesg.event = PM_EVENT_FREEZE;
@@ -40,32 +40,17 @@ int generic_ide_suspend(struct device *dev, pm_message_t mesg)
return ret;
}
-static void ide_end_sync_rq(struct request *rq, blk_status_t error)
-{
- complete(rq->end_io_data);
-}
-
static int ide_pm_execute_rq(struct request *rq)
{
struct request_queue *q = rq->q;
- DECLARE_COMPLETION_ONSTACK(wait);
- rq->end_io_data = &wait;
- rq->end_io = ide_end_sync_rq;
-
- spin_lock_irq(q->queue_lock);
if (unlikely(blk_queue_dying(q))) {
rq->rq_flags |= RQF_QUIET;
scsi_req(rq)->result = -ENXIO;
- __blk_end_request_all(rq, BLK_STS_OK);
- spin_unlock_irq(q->queue_lock);
+ blk_mq_end_request(rq, BLK_STS_OK);
return -ENXIO;
}
- __elv_add_request(q, rq, ELEVATOR_INSERT_FRONT);
- __blk_run_queue_uncond(q);
- spin_unlock_irq(q->queue_lock);
-
- wait_for_completion_io(&wait);
+ blk_execute_rq(q, NULL, rq, true);
return scsi_req(rq)->result ? -EIO : 0;
}
@@ -79,6 +64,8 @@ int generic_ide_resume(struct device *dev)
struct ide_pm_state rqpm;
int err;
+ blk_mq_start_stopped_hw_queues(drive->queue, true);
+
if (ide_port_acpi(hwif)) {
/* call ACPI _PS0 / _STM only once */
if ((drive->dn & 1) == 0 || pair == NULL) {
@@ -92,7 +79,7 @@ int generic_ide_resume(struct device *dev)
memset(&rqpm, 0, sizeof(rqpm));
rq = blk_get_request(drive->queue, REQ_OP_DRV_IN, BLK_MQ_REQ_PREEMPT);
ide_req(rq)->type = ATA_PRIV_PM_RESUME;
- rq->special = &rqpm;
+ ide_req(rq)->special = &rqpm;
rqpm.pm_step = IDE_PM_START_RESUME;
rqpm.pm_state = PM_EVENT_ON;
@@ -111,7 +98,7 @@ int generic_ide_resume(struct device *dev)
void ide_complete_power_step(ide_drive_t *drive, struct request *rq)
{
- struct ide_pm_state *pm = rq->special;
+ struct ide_pm_state *pm = ide_req(rq)->special;
#ifdef DEBUG_PM
printk(KERN_INFO "%s: complete_power_step(step: %d)\n",
@@ -141,7 +128,7 @@ 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 ide_pm_state *pm = rq->special;
+ struct ide_pm_state *pm = ide_req(rq)->special;
struct ide_cmd cmd = { };
switch (pm->pm_step) {
@@ -213,8 +200,7 @@ out_do_tf:
void ide_complete_pm_rq(ide_drive_t *drive, struct request *rq)
{
struct request_queue *q = drive->queue;
- struct ide_pm_state *pm = rq->special;
- unsigned long flags;
+ struct ide_pm_state *pm = ide_req(rq)->special;
ide_complete_power_step(drive, rq);
if (pm->pm_step != IDE_PM_COMPLETED)
@@ -224,22 +210,19 @@ void ide_complete_pm_rq(ide_drive_t *drive, struct request *rq)
printk("%s: completing PM request, %s\n", drive->name,
(ide_req(rq)->type == ATA_PRIV_PM_SUSPEND) ? "suspend" : "resume");
#endif
- spin_lock_irqsave(q->queue_lock, flags);
if (ide_req(rq)->type == ATA_PRIV_PM_SUSPEND)
- blk_stop_queue(q);
+ blk_mq_stop_hw_queues(q);
else
drive->dev_flags &= ~IDE_DFLAG_BLOCKED;
- spin_unlock_irqrestore(q->queue_lock, flags);
drive->hwif->rq = NULL;
- if (blk_end_request(rq, BLK_STS_OK, 0))
- BUG();
+ blk_mq_end_request(rq, BLK_STS_OK);
}
void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
{
- struct ide_pm_state *pm = rq->special;
+ struct ide_pm_state *pm = ide_req(rq)->special;
if (blk_rq_is_private(rq) &&
ide_req(rq)->type == ATA_PRIV_PM_SUSPEND &&
@@ -260,7 +243,6 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
ide_hwif_t *hwif = drive->hwif;
const struct ide_tp_ops *tp_ops = hwif->tp_ops;
struct request_queue *q = drive->queue;
- unsigned long flags;
int rc;
#ifdef DEBUG_PM
printk("%s: Wakeup request inited, waiting for !BSY...\n", drive->name);
@@ -274,8 +256,6 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
if (rc)
printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
- spin_lock_irqsave(q->queue_lock, flags);
- blk_start_queue(q);
- spin_unlock_irqrestore(q->queue_lock, flags);
+ blk_mq_start_hw_queues(q);
}
}