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FROMLIST: ufs: core: only suspend clock scaling if scale down

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If clock scale up and suspend clock scaling, ufs will keep high
performance/power mode but no read/write requests on going.
It is logic wrong and have power concern.

Bug: 298004596
Link: https://lore.kernel.org/all/20230831130826.5592-2-peter.wang@mediatek.com/
Change-Id: I950ec28a506d7eb83c575d9bd482c41869e73848
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
This commit is contained in:
Peter Wang 2023-08-23 17:29:46 +08:00 • committed by Saravana Kannan
parent 3ffb038098
commit e490b62fed
1 changed files with 1 additions and 1 deletions
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2
drivers/ufs/core/ufshcd.c
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@ -1495,7 +1495,7 @@ static int ufshcd_devfreq_target(struct device *dev,
ktime_to_us(ktime_sub(ktime_get(), start)), ret);
out:
if (sched_clk_scaling_suspend_work)
if (sched_clk_scaling_suspend_work && !scale_up)
queue_work(hba->clk_scaling.workq,
&hba->clk_scaling.suspend_work);