Messages in this thread | | | Date | Wed, 18 Nov 2020 11:54:51 +0800 | From | Can Guo <> | Subject | Re: [PATCH v5 1/7] scsi: ufs: avoid to call REQ_CLKS_OFF to CLKS_OFF |
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On 2020-11-18 00:58, Jaegeuk Kim wrote: > Once UFS was gated with CLKS_OFF, it should not call REQ_CLKS_OFF > again, which > caused hibern8_enter failure. > > Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Reviewed-by: Can Guo <cang@codeaurora.org>
> --- > drivers/scsi/ufs/ufshcd.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c > index b8f573a02713..cc8d5f0c3fdc 100644 > --- a/drivers/scsi/ufs/ufshcd.c > +++ b/drivers/scsi/ufs/ufshcd.c > @@ -1745,7 +1745,8 @@ static void __ufshcd_release(struct ufs_hba *hba) > if (hba->clk_gating.active_reqs || hba->clk_gating.is_suspended || > hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL || > ufshcd_any_tag_in_use(hba) || hba->outstanding_tasks || > - hba->active_uic_cmd || hba->uic_async_done) > + hba->active_uic_cmd || hba->uic_async_done || > + hba->clk_gating.state == CLKS_OFF) > return; > > hba->clk_gating.state = REQ_CLKS_OFF;
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