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scsi: ufs: host: mediatek: Fix shutdown/suspend race condition

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Address a race condition between shutdown and suspend operations in the
UFS Mediatek driver. Before entering suspend, check if a shutdown is in
progress to prevent conflicts and ensure system stability.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Acked-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Link: https://patch.msgid.link/20250924094527.2992256-6-peter.wang@mediatek.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Peter Wang
2025-09-24 17:43:27 +08:00
committed by Martin K. Petersen
parent 1fd05367d5
commit 014de20bb3
1 changed files with 5 additions and 0 deletions
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5
drivers/ufs/host/ufs-mediatek.c
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@@ -2425,6 +2425,11 @@ static int ufs_mtk_system_suspend(struct device *dev)
struct arm_smccc_res res;
int ret;
if (hba->shutting_down) {
ret = -EBUSY;
goto out;
}
ret = ufshcd_system_suspend(dev);
if (ret)
goto out;