6.12-stable review patch. If anyone has any objections, please let me know.
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From: Avri Altman avri.altman@wdc.com
[ Upstream commit 7869c6521f5715688b3d1f1c897374a68544eef0 ]
Remove hba->clk_gating.active_reqs check from ufshcd_is_ufs_dev_busy() function to separate clock gating logic from general device busy checks.
Signed-off-by: Avri Altman avri.altman@wdc.com Link: https://lore.kernel.org/r/20241124070808.194860-3-avri.altman@wdc.com Reviewed-by: Bart Van Assche bvanassche@acm.org Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Stable-dep-of: 839a74b5649c ("scsi: ufs: Fix toggling of clk_gating.state when clock gating is not allowed") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/ufs/core/ufshcd.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 94d7992457a3b..217619d64940e 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -266,8 +266,7 @@ static bool ufshcd_has_pending_tasks(struct ufs_hba *hba)
static bool ufshcd_is_ufs_dev_busy(struct ufs_hba *hba) { - return hba->clk_gating.active_reqs || hba->outstanding_reqs || - ufshcd_has_pending_tasks(hba); + return hba->outstanding_reqs || ufshcd_has_pending_tasks(hba); }
static const struct ufs_dev_quirk ufs_fixups[] = { @@ -1973,7 +1972,9 @@ static void ufshcd_gate_work(struct work_struct *work) goto rel_lock; }
- if (ufshcd_is_ufs_dev_busy(hba) || hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL) + if (ufshcd_is_ufs_dev_busy(hba) || + hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL || + hba->clk_gating.active_reqs) goto rel_lock;
spin_unlock_irqrestore(hba->host->host_lock, flags); @@ -8272,7 +8273,9 @@ static void ufshcd_rtc_work(struct work_struct *work) hba = container_of(to_delayed_work(work), struct ufs_hba, ufs_rtc_update_work);
/* Update RTC only when there are no requests in progress and UFSHCI is operational */ - if (!ufshcd_is_ufs_dev_busy(hba) && hba->ufshcd_state == UFSHCD_STATE_OPERATIONAL) + if (!ufshcd_is_ufs_dev_busy(hba) && + hba->ufshcd_state == UFSHCD_STATE_OPERATIONAL && + !hba->clk_gating.active_reqs) ufshcd_update_rtc(hba);
if (ufshcd_is_ufs_dev_active(hba) && hba->dev_info.rtc_update_period)