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Date: Mon, 8 Jun 2020 19:26:37 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Haibo Chen <haibo.chen@....com>,
Ulf Hansson <ulf.hansson@...aro.org>,
Sasha Levin <sashal@...nel.org>, linux-mmc@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH AUTOSEL 4.9 47/50] mmc: sdhci-esdhc-imx: fix the mask for tuning start point
From: Haibo Chen <haibo.chen@....com>
[ Upstream commit 1194be8c949b8190b2882ad8335a5d98aa50c735 ]
According the RM, the bit[6~0] of register ESDHC_TUNING_CTRL is
TUNING_START_TAP, bit[7] of this register is to disable the command
CRC check for standard tuning. So fix it here.
Fixes: d87fc9663688 ("mmc: sdhci-esdhc-imx: support setting tuning start point")
Signed-off-by: Haibo Chen <haibo.chen@....com>
Link: https://lore.kernel.org/r/1590488522-9292-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/mmc/host/sdhci-esdhc-imx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 445fc47dc3e7..b4336534f628 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -79,7 +79,7 @@
#define ESDHC_STD_TUNING_EN (1 << 24)
/* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
#define ESDHC_TUNING_START_TAP_DEFAULT 0x1
-#define ESDHC_TUNING_START_TAP_MASK 0xff
+#define ESDHC_TUNING_START_TAP_MASK 0x7f
#define ESDHC_TUNING_STEP_MASK 0x00070000
#define ESDHC_TUNING_STEP_SHIFT 16
--
2.25.1
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