6.6-stable review patch. If anyone has any objections, please let me know.
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From: Seunghwan Baek sh8267.baek@samsung.com
[ Upstream commit c9f36f04a8a2725172cdf2b5e32363e4addcb14c ]
If UFS resume fails, the event history is updated in ufshcd_resume(), but there is no code anywhere to record UFS suspend. Therefore, add code to record UFS suspend error event history.
Fixes: dd11376b9f1b ("scsi: ufs: Split the drivers/scsi/ufs directory") Cc: stable@vger.kernel.org Signed-off-by: Seunghwan Baek sh8267.baek@samsung.com Reviewed-by: Peter Wang peter.wang@mediatek.com Link: https://patch.msgid.link/20251210063854.1483899-2-sh8267.baek@samsung.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com [ Adjust context ] Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/ufs/core/ufshcd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10182,7 +10182,7 @@ static int ufshcd_suspend(struct ufs_hba ret = ufshcd_setup_clocks(hba, false); if (ret) { ufshcd_enable_irq(hba); - return ret; + goto out; } if (ufshcd_is_clkgating_allowed(hba)) { hba->clk_gating.state = CLKS_OFF; @@ -10193,6 +10193,9 @@ static int ufshcd_suspend(struct ufs_hba ufshcd_vreg_set_lpm(hba); /* Put the host controller in low power mode if possible */ ufshcd_hba_vreg_set_lpm(hba); +out: + if (ret) + ufshcd_update_evt_hist(hba, UFS_EVT_SUSPEND_ERR, (u32)ret); return ret; }