Hi Can, On Tue, 2020-12-08 at 22:58 -0800, Can Guo wrote: > ufshcd_hba_exit() is always called after ufshcd_exit_clk_scaling() and > ufshcd_exit_clk_gating(), so no need to suspend clock scaling again in > ufshcd_hba_exit(). > > Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx> > --- > drivers/scsi/ufs/ufshcd.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c > index 12266bd..0a5b197 100644 > --- a/drivers/scsi/ufs/ufshcd.c > +++ b/drivers/scsi/ufs/ufshcd.c > @@ -7765,6 +7765,7 @@ static void ufshcd_async_scan(void *data, async_cookie_t cookie) > if (ret) { > pm_runtime_put_sync(hba->dev); > ufshcd_exit_clk_scaling(hba); > + ufshcd_exit_clk_gating(hba); How about moving above two lines to ufshcd_hba_exit()? Otherwise looks good to me! Reviewed-by: Stanley Chu <stanleyc.chu@xxxxxxxxxxxx> > ufshcd_hba_exit(hba); > } > } > @@ -8203,10 +8204,6 @@ static void ufshcd_hba_exit(struct ufs_hba *hba) > if (hba->is_powered) { > ufshcd_variant_hba_exit(hba); > ufshcd_setup_vreg(hba, false); > - ufshcd_suspend_clkscaling(hba); > - if (ufshcd_is_clkscaling_supported(hba)) > - if (hba->devfreq) > - ufshcd_suspend_clkscaling(hba); > ufshcd_setup_clocks(hba, false); > ufshcd_setup_hba_vreg(hba, false); > hba->is_powered = false;