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| author | Alice.Chao <alice.chao@mediatek.com> | 2021-05-28 05:36:22 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-06-02 06:56:14 +0200 |
| commit | f9c602f3bd9c79c06ccd7621744472a64e93fd49 (patch) | |
| tree | 7eb015f28dd1cd68ce80bde38c28c72641c01173 | |
| parent | scsi: ufs: core: Export ufshcd_hba_stop() (diff) | |
| download | linux-f9c602f3bd9c79c06ccd7621744472a64e93fd49.tar.xz linux-f9c602f3bd9c79c06ccd7621744472a64e93fd49.zip | |
scsi: ufs: ufs-mediatek: Disable HCI before HW reset
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>
| -rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 9912e208c2a1..bbe0596afc9d 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -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); /* |