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

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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: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20241024075033.562562-3-avri.altman@wdc.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Avri Altman
2024-10-24 10:50:32 +03:00
committed by Martin K. Petersen
parent 2b314e182c
commit 5824e18b3d
1 changed files with 0 additions and 3 deletions
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3
drivers/ufs/core/ufshcd.c
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@@ -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,