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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 10:40:54 +0200 |
| commit | 59d587cc36405947006b6b35db2d08909b3876fc (patch) | |
| tree | f78869cde137aaac9c02c3e4a795b1fecb17c606 | |
| parent | 10e99c3003d551612dd98ab1a5d7342d3da7822b (diff) | |
| download | linux-stable-59d587cc36405947006b6b35db2d08909b3876fc.tar.gz linux-stable-59d587cc36405947006b6b35db2d08909b3876fc.tar.bz2 linux-stable-59d587cc36405947006b6b35db2d08909b3876fc.zip | |
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 fe6cad9b2a0d..03985919150b 100644 --- a/drivers/scsi/ufs/ufs_quirks.h +++ b/drivers/scsi/ufs/ufs_quirks.h @@ -12,6 +12,7 @@ #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 2b6853c7375c..b41b88bcab3d 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -217,6 +217,8 @@ ufs_get_desired_pm_lvl_for_dev_link_state(enum ufs_dev_pwr_mode dev_state, 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, |