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authorAvri Altman <avri.altman@wdc.com>2024-10-24 09:50:33 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2024-10-25 21:03:15 +0200
commit2a330f16ad305935c965dd84b727771c52701642 (patch)
treeb5c849cba2f15e28320842dd4d111420eea7b614 /drivers/ufs
parentscsi: ufs: core: Remove redundant host_lock calls around UTMRLCLR (diff)
downloadlinux-2a330f16ad305935c965dd84b727771c52701642.tar.xz
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scsi: ufs: core: Remove redundant host_lock calls around UTRLCLR.
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 request list cLear register: UTRLCLR. Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Avri Altman <avri.altman@wdc.com> Link: https://lore.kernel.org/r/20241024075033.562562-4-avri.altman@wdc.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/ufs')
-rw-r--r--drivers/ufs/core/ufshcd.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index f6e84a3bfcf4..9458ecc1c10e 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -3062,7 +3062,6 @@ bool ufshcd_cmd_inflight(struct scsi_cmnd *cmd)
static int ufshcd_clear_cmd(struct ufs_hba *hba, u32 task_tag)
{
u32 mask;
- unsigned long flags;
int err;
if (hba->mcq_enabled) {
@@ -3082,9 +3081,7 @@ static int ufshcd_clear_cmd(struct ufs_hba *hba, u32 task_tag)
mask = 1U << task_tag;
/* clear outstanding transaction before retry */
- spin_lock_irqsave(hba->host->host_lock, flags);
ufshcd_utrl_clear(hba, mask);
- spin_unlock_irqrestore(hba->host->host_lock, flags);
/*
* wait for h/w to clear corresponding bit in door-bell.