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| author | Stanley Chu <stanley.chu@mediatek.com> | 2020-06-12 09:26:24 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-06-15 23:32:01 -0400 |
| commit | c0a18ee0ce78d7957ec1a53be35b1b3beba80668 (patch) | |
| tree | 78fa674779ee5e332d7ddf09d00ba3707b4d8ede | |
| parent | 896c9b4907c59c3f24f27ae7f2a57bda0f3476f3 (diff) | |
| download | linux-c0a18ee0ce78d7957ec1a53be35b1b3beba80668.tar.gz linux-c0a18ee0ce78d7957ec1a53be35b1b3beba80668.tar.bz2 linux-c0a18ee0ce78d7957ec1a53be35b1b3beba80668.zip | |
scsi: ufs: Add DELAY_BEFORE_LPM quirk for Micron devices
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>
| -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 e3175a63c676..e80d5f26a442 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 3037adb619f8..c75bb9a19e9a 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -188,6 +188,8 @@ 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, |