From: Konstantin Vyshetsky <vkon@xxxxxxxxxx>
UFS devices are expected to clear fDeviceInit flag in single digit
milliseconds. Current values of 5 to 10 millisecond sleep add to
increased latency during the initialization and resume path. This CL
lowers the sleep range to 500 to 1000 microseconds.
Signed-off-by: Konstantin Vyshetsky <vkon@xxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
drivers/scsi/ufs/ufshcd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3f9caafa91bf..ba9c7f9ec424 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4438,7 +4438,7 @@ static int ufshcd_complete_dev_init(struct ufs_hba *hba)
QUERY_FLAG_IDN_FDEVICEINIT, 0, &flag_res);
if (!flag_res)
break;
- usleep_range(5000, 10000);
+ usleep_range(500, 1000);
} while (ktime_before(ktime_get(), timeout));
if (err) {
