From e42d52cafb1a8e7887ce135f99c1be889b47b5d2 Mon Sep 17 00:00:00 2001 From: Stanley Chu Date: Fri, 12 Jun 2020 09:26:24 +0800 Subject: [PATCH] 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 Reviewed-by: Alim Akhtar Signed-off-by: Stanley Chu Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/ufs/ufs_quirks.h | 1 + drivers/scsi/ufs/ufshcd.c | 2 ++ 2 files changed, 3 insertions(+) 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), -- 2.20.1