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scsi: ufs: host: mediatek: Change reset sequence for improved stability

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Modify the reset sequence to ensure that the device reset pin is set low
before the host is disabled. This change enhances the stability of the
reset process by ensuring the correct order of operations.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20250811131423.3444014-10-peter.wang@mediatek.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Peter Wang 2025-08-11 21:11:25 +08:00 committed by Martin K. Petersen
parent bacb96ce06
commit 878ed88c50
1 changed files with 3 additions and 3 deletions
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6
drivers/ufs/host/ufs-mediatek.c
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@ -1543,11 +1543,11 @@ 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);
/* disable hba in middle of device reset */
ufshcd_hba_stop(hba);
/*
* The reset signal is active low. UFS devices shall detect
* more than or equal to 1us of positive or negative RST_n