linux-kernel - [PATCH v4 3/5] scsi: ufs: ufs-mediatek: Dump more registers

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Message-ID: <20220802135423.1007-4-stanley.chu@mediatek.com>
Date:   Tue, 2 Aug 2022 21:54:21 +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 v4 3/5] scsi: ufs: ufs-mediatek: Dump more registers

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

Dump more proprietary UFSHCI status registers for
easier issue breakdown.

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 | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c
index 62bc3b791b38..2b85d2406714 100644
--- a/drivers/ufs/host/ufs-mediatek.c
+++ b/drivers/ufs/host/ufs-mediatek.c
@@ -1284,13 +1284,16 @@ static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 
 static void ufs_mtk_dbg_register_dump(struct ufs_hba *hba)
 {
-	ufshcd_dump_regs(hba, REG_UFS_REFCLK_CTRL, 0x4, "Ref-Clk Ctrl ");
+	/* Dump ufshci register 0x140 ~ 0x14C */
+	ufshcd_dump_regs(hba, REG_UFS_XOUFS_CTRL, 0x10,
+			 "XOUFS Ctrl (0x140): ");
 
 	ufshcd_dump_regs(hba, REG_UFS_EXTREG, 0x4, "Ext Reg ");
 
+	/* Dump ufshci register 0x2200 ~ 0x22AC */
 	ufshcd_dump_regs(hba, REG_UFS_MPHYCTRL,
 			 REG_UFS_REJECT_MON - REG_UFS_MPHYCTRL + 4,
-			 "MPHY Ctrl ");
+			 "MPHY Ctrl (0x2200): ");
 
 	/* Direct debugging information to REG_MTK_PROBE */
 	ufs_mtk_dbg_sel(hba);
-- 
2.18.0