diff mbox series

[v4,1/5] scsi: ufs: Reduce the clock scaling latency

Message ID 20221122222617.3449081-2-bvanassche@acm.org
State Superseded
Headers show
Series Prepare for upstreaming Pixel 6 and 7 UFS support | expand

Commit Message

Bart Van Assche Nov. 22, 2022, 10:26 p.m. UTC 
Wait at most 20 ms before rechecking the doorbells instead of waiting
for a potentially long time between doorbell checks.

Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/ufs/core/ufshcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 768cb49d269c..81c20e315dba 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -1154,7 +1154,7 @@  static int ufshcd_wait_for_doorbell_clr(struct ufs_hba *hba,
 		}
 
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
-		schedule();
+		io_schedule_timeout(msecs_to_jiffies(20));
 		if (ktime_to_us(ktime_sub(ktime_get(), start)) >
 		    wait_timeout_us) {
 			timeout = true;