On 6/16/25 1:57 AM, Anvith Dosapati wrote:
From: anvithdosapati anvithdosapati@google.com
In ufshcd_host_reset_and_restore, scale up clocks only when clock scaling is supported. Without this change cpu latency is voted for 0 (ufshcd_pm_qos_update) during resume unconditionally.
Signed-off-by: anvithdosapati anvithdosapati@google.com Fixes: a3cd5ec55f6c7 ("scsi: ufs: add load based scaling of UFS gear") Cc: stable@vger.kernel.org
v2:
Update commit message
Add Fixes and Cc stable
drivers/ufs/core/ufshcd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 4410e7d93b7d..fac381ea2b3a 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -7802,7 +7802,8 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba) hba->silence_err_logs = false; /* scale up clocks to max frequency before full reinitialization */
- ufshcd_scale_clks(hba, ULONG_MAX, true);
- if (ufshcd_is_clkscaling_supported(hba))
ufshcd_scale_clks(hba, ULONG_MAX, true);err = ufshcd_hba_enable(hba);
Reviewed-by: Bart Van Assche bvanassche@acm.org