linux-kernel - [PATCH v2 2/8] scsi: ufs-mediatek: Always add delays for VCC operations

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Date:   Thu, 23 Jun 2022 11:50:46 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <martin.petersen@...cle.com>, <avri.altman@....com>,
        <alim.akhtar@...sung.com>, <jejb@...ux.ibm.com>,
        <bvanassche@....org>
CC:     <peter.wang@...iatek.com>, <chun-hung.wu@...iatek.com>,
        <alice.chao@...iatek.com>, <powen.kao@...iatek.com>,
        <mason.zhang@...iatek.com>, <qilin.tan@...iatek.com>,
        <lin.gui@...iatek.com>, <eddie.huang@...iatek.com>,
        <tun-yu.yu@...iatek.com>, <cc.chou@...iatek.com>,
        <chaotian.jing@...iatek.com>, <jiajie.hao@...iatek.com>,
        <stanley.chu@...iatek.com>
Subject: [PATCH v2 2/8] scsi: ufs-mediatek: Always add delays for VCC operations

From: Peter Wang <peter.wang@...iatek.com>

MediaTek decides to always add delays before and after VCC
is turned-off.

Reviewed-by: Stanley Chu <stanley.chu@...iatek.com>
Signed-off-by: Peter Wang <peter.wang@...iatek.com>
Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
---
 drivers/ufs/host/ufs-mediatek.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index d970c6607b4a..f76e2999ac99 100755
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -31,9 +31,10 @@
 #include "ufs-mediatek-trace.h"
 
 static const struct ufs_dev_quirk ufs_mtk_dev_fixups[] = {
-	{ .wmanufacturerid = UFS_VENDOR_MICRON,
+	{ .wmanufacturerid = UFS_ANY_VENDOR,
 	  .model = UFS_ANY_MODEL,
-	  .quirk = UFS_DEVICE_QUIRK_DELAY_AFTER_LPM },
+	  .quirk = UFS_DEVICE_QUIRK_DELAY_AFTER_LPM |
+		UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM },
 	{ .wmanufacturerid = UFS_VENDOR_SKHYNIX,
 	  .model = "H9HQ21AFAMZDAR",
 	  .quirk = UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES },
-- 
2.18.0