[PATCH v1 2/2] scsi: ufs-mediatek: Support WriteBooster on Samsung UFS devices

Stanley Chu
2020-05-30T15:13:59Z

Add device quirk "UFS_DEVICE_QUIRK_WB_USING_SPECIAL_SELECTOR"
on all Samsung UFS devices to enable WriteBooster on those
devices.

Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
drivers/scsi/ufs/ufs-mediatek.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index d587b3276aa8..078a1e3d05d3 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -32,6 +32,9 @@
ufs_mtk_smc(UFS_MTK_SIP_DEVICE_RESET, high, res)

static struct ufs_dev_fix ufs_mtk_dev_fixups[] = {
+ UFS_FIX(UFS_VENDOR_SAMSUNG, UFS_ANY_MODEL,
+ UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES |
+ UFS_DEVICE_QUIRK_WB_SPECIAL_SELECTOR),
UFS_FIX(UFS_VENDOR_SKHYNIX, "H9HQ21AFAMZDAR",
UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES),
END_FIX
--
2.18.0