[PATCH v2 2/2] scsi: ufs-mediatek: Disable HCI before HW reset
From: Alice <hidden>
Date: 2021-05-28 03:38:16
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: "Alice.Chao" <redacted> MediaTek ufshci needs to be disabled before HW reset to avoid potential issues. Signed-off-by: Alice.Chao <redacted> --- drivers/scsi/ufs/ufs-mediatek.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index a981f261b304..c62603ed3d33 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c@@ -846,6 +846,9 @@ static int ufs_mtk_device_reset(struct ufs_hba *hba) { struct arm_smccc_res res; + /* disable hba before device reset */ + ufshcd_hba_stop(hba); + ufs_mtk_device_reset_ctrl(0, res); /*
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2.18.0