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

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Message-ID: <20200530151337.6182-3-stanley.chu@mediatek.com>
Date:   Sat, 30 May 2020 23:13:37 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     <linux-scsi@...r.kernel.org>, <martin.petersen@...cle.com>,
        <avri.altman@....com>, <alim.akhtar@...sung.com>,
        <jejb@...ux.ibm.com>
CC:     <beanhuo@...ron.com>, <asutoshd@...eaurora.org>,
        <cang@...eaurora.org>, <matthias.bgg@...il.com>,
        <bvanassche@....org>, <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <kuohong.wang@...iatek.com>,
        <peter.wang@...iatek.com>, <chun-hung.wu@...iatek.com>,
        <andy.teng@...iatek.com>, <cc.chou@...iatek.com>,
        <chaotian.jing@...iatek.com>,
        Stanley Chu <stanley.chu@...iatek.com>
Subject: [PATCH v1 2/2] scsi: ufs-mediatek: Support WriteBooster on Samsung UFS devices

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@...iatek.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