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Commit 6e348575 authored by Gilad Broner's avatar Gilad Broner Committed by Subhash Jadavani
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scsi: ufs: reduce read-write requests timeout 



Default request timeout of 30 seconds is too long for UFS
which has good performance sp that timeout can be reduced substantially.

Change-Id: I36f2c5d10d1195707fc8db32bcac624ae9705d2f
Signed-off-by: default avatarGilad Broner <gbroner@codeaurora.org>
parent 5474a9f0

drivers/scsi/ufs/ufshcd.c

+4 −1
Original line number Diff line number Diff line
@@ -112,6 +112,9 @@ 
/* UIC command timeout, unit: ms */

#define UIC_CMD_TIMEOUT	500



/* Default request timeout value for the queue */

#define READ_WRITE_REQUEST_TIMEOUT	(3*HZ)	/* 3 seconds */



/* Retries waiting for doorbells to clear */

#define POWER_MODE_RETRIES	10
@@ -4371,7 +4374,7 @@ static int ufshcd_slave_configure(struct scsi_device *sdev) 


	blk_queue_update_dma_pad(q, PRDT_DATA_BYTE_COUNT_PAD - 1);

	blk_queue_max_segment_size(q, PRDT_DATA_BYTE_COUNT_MAX);



	blk_queue_rq_timeout(q, READ_WRITE_REQUEST_TIMEOUT);

	sdev->autosuspend_delay = UFSHCD_AUTO_SUSPEND_DELAY_MS;

	sdev->use_rpm_auto = 1;