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scsi: ufs: ufs-mediatek: Disable HCI before HW reset

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MediaTek ufshci needs to be disabled before HW reset to avoid potential
issues.

Link: https://lore.kernel.org/r/20210528033624.12170-3-alice.chao@mediatek.com
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Alice.Chao <alice.chao@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Alice.Chao
2021-05-28 11:36:22 +08:00
committed by Martin K. Petersen
parent 3a95f5b392
commit f9c602f3bd
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/ufs/ufs-mediatek.c
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@@ -844,6 +844,9 @@ 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);
/*