Commit 5824e18b authored by Avri Altman's avatar Avri Altman Committed by Martin K. Petersen
Browse files

scsi: ufs: core: Remove redundant host_lock calls around UTMRLCLR 



There is no need to serialize single read/write calls to the host
controller registers. Remove the redundant host_lock calls that protect
access to the task management request List cLear register: UTMRLCLR.

Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarAvri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20241024075033.562562-3-avri.altman@wdc.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 2b314e18

drivers/ufs/core/ufshcd.c

+0 −3
Original line number Diff line number Diff line
@@ -6995,14 +6995,11 @@ static int ufshcd_clear_tm_cmd(struct ufs_hba *hba, int tag) 
{

	int err = 0;

	u32 mask = 1 << tag;

	unsigned long flags;



	if (!test_bit(tag, &hba->outstanding_tasks))

		goto out;



	spin_lock_irqsave(hba->host->host_lock, flags);

	ufshcd_utmrl_clear(hba, tag);

	spin_unlock_irqrestore(hba->host->host_lock, flags);



	/* poll for max. 1 sec to clear door bell register by h/w */

	err = ufshcd_wait_for_register(hba,