Disable pm only when scsi mq is default by config.

PATCH New José Pekkarinen 1 participant 1 message Dec 19, 2017 Block layer

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José Pekkarinen

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2017-12-19 08:34 UTC #0 lore raw

PATCH 1/1 Disable pm only when scsi mq is default by config.

This patch allow pm on systems that explicitly disable scsi mq as a default.

Signed-off-by José Pekkarinen <[email protected]>

---
 block/blk-core.c | 2 ++
 1 file changed, 2 insertions(+)

block/blk-core.c +2 -0

index 33ee583cfe45..68183bc5933f 100644
@@ -3440,9 +3440,11 @@ EXPORT_SYMBOL(blk_finish_plug);
  */
 void blk_pm_runtime_init(struct request_queue *q, struct device *dev)
 {
+#ifdef CONFIG_SCSI_MQ_DEFAULT
 	/* not support for RQF_PM and ->rpm_status in blk-mq yet */
 	if (q->mq_ops)
 		return;
+#endif
 
 	q->dev = dev;
 	q->rpm_status = RPM_ACTIVE;

Signature · 1 line

2.13.6