Commit fd62de11 authored by Jaegeuk Kim's avatar Jaegeuk Kim Committed by Martin K. Petersen
Browse files

scsi: ufs: Avoid to call REQ_CLKS_OFF to CLKS_OFF 

Once UFS is gated with CLKS_OFF, it should not call REQ_CLKS_OFF
again. This can lead to hibern8_enter failure.

Link: https://lore.kernel.org/r/20201117165839.1643377-2-jaegeuk@kernel.org


Reviewed-by: default avatarCan Guo <cang@codeaurora.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent cf4d4d8e

drivers/scsi/ufs/ufshcd.c

+2 −1
Original line number Diff line number Diff line
@@ -1755,7 +1755,8 @@ 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;