diff options
| author | Stanley Chu <stanley.chu@mediatek.com> | 2020-06-12 09:26:24 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-26 10:29:55 +0200 |
| commit | 046f3765d4cc814f1166dfe1cebbaf8a55f09f42 (patch) | |
| tree | f732579473cf3f19b8e144655d4b0aeacb902d5b /drivers/scsi | |
| parent | 413a0634d56b31719c3c2f8d495783efea84a226 (diff) | |
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>
Diffstat (limited to 'drivers/scsi')
| -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 1e2a97a10033..11e917b44a0f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -189,6 +189,8 @@ 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, UFS_DEVICE_NO_VCCQ), |