linux-kernel - [PATCH] mmc: mediatek: fix incorrect register setting of hs400_cmd_int

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Message-ID: <1548245125-31664-1-git-send-email-chaotian.jing@mediatek.com>
Date:   Wed, 23 Jan 2019 20:05:25 +0800
From:   Chaotian Jing <chaotian.jing@...iatek.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Chaotian Jing <chaotian.jing@...iatek.com>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Yong Mao <yong.mao@...iatek.com>,
        jjian zhou <jjian.zhou@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        <linux-mmc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <srv_heupstream@...iatek.com>
Subject: [PATCH] mmc: mediatek: fix incorrect register setting of hs400_cmd_int_delay

to set cmd internal delay, need set PAD_TUNE register but not PAD_CMD_TUNE
register.

Signed-off-by: Chaotian Jing <chaotian.jing@...iatek.com>
---
 drivers/mmc/host/mtk-sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 8afeaf8..833ef05 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -846,7 +846,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz)
 
 	if (timing == MMC_TIMING_MMC_HS400 &&
 	    host->dev_comp->hs400_tune)
-		sdr_set_field(host->base + PAD_CMD_TUNE,
+		sdr_set_field(host->base + tune_reg,
 			      MSDC_PAD_TUNE_CMDRRDLY,
 			      host->hs400_cmd_int_delay);
 	dev_dbg(host->dev, "sclk: %d, timing: %d\n", host->mmc->actual_clock,
-- 
1.8.1.1.dirty