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| author | Stanley Chu <stanley.chu@mediatek.com> | 2020-06-12 09:26:24 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-26 10:29:04 +0200 |
| commit | e42d52cafb1a8e7887ce135f99c1be889b47b5d2 (patch) | |
| tree | c4e642c43b6bb23bc70bc99924c8bf66bd8078c0 | |
| parent | f6f3fdf5052bd0a1bb40188feceaa027c40ebc29 (diff) | |
| download | linux-rt-e42d52cafb1a8e7887ce135f99c1be889b47b5d2.tar.gz | |
scsi: ufs: Add DELAY_BEFORE_LPM quirk for Micron devices
[ Upstream commit c0a18ee0ce78d7957ec1a53be35b1b3beba80668 ]
It is confirmed that Micron device needs DELAY_BEFORE_LPM quirk to have a
delay before VCC is powered off. Sdd Micron vendor ID and this quirk for
Micron devices.
Link: https://lore.kernel.org/r/20200612012625.6615-2-stanley.chu@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/scsi/ufs/ufs_quirks.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h index 71f73d1d1ad1..6c944fbefd40 100644 --- a/drivers/scsi/ufs/ufs_quirks.h +++ b/drivers/scsi/ufs/ufs_quirks.h @@ -21,6 +21,7 @@ #define UFS_ANY_VENDOR 0xFFFF #define UFS_ANY_MODEL "ANY_MODEL" +#define UFS_VENDOR_MICRON 0x12C #define UFS_VENDOR_TOSHIBA 0x198 #define UFS_VENDOR_SAMSUNG 0x1CE #define UFS_VENDOR_SKHYNIX 0x1AD diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index af4b0a2021d6..a7f520581cb0 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -178,6 +178,8 @@ ufs_get_pm_lvl_to_link_pwr_state(enum ufs_pm_level lvl) static struct ufs_dev_fix ufs_fixups[] = { /* UFS cards deviations table */ + UFS_FIX(UFS_VENDOR_MICRON, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM), UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL, UFS_DEVICE_NO_VCCQ), |