linux-kernel - [PATCH 4.1 132/202] dts: imx51: fix sd card gpio polarity specified in device tree

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Message-Id: <20151018014907.935257998@linuxfoundation.org>
Date:	Sat, 17 Oct 2015 18:58:35 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Dong Aisheng <aisheng.dong@...escale.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH 4.1 132/202] dts: imx51: fix sd card gpio polarity specified in device tree

4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dong Aisheng <aisheng.dong@...escale.com>

commit aca45c0e95dad1c4ba4d38da192756b0e10cbbbd upstream.

cd-gpios polarity should be changed to GPIO_ACTIVE_LOW and wp-gpios
should be changed to GPIO_ACTIVE_HIGH.
Otherwise, the SD may not work properly due to wrong polarity inversion
specified in DT after switch to common parsing function mmc_of_parse().

Signed-off-by: Dong Aisheng <aisheng.dong@...escale.com>
Acked-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/imx51-apf51dev.dts |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm/boot/dts/imx51-apf51dev.dts
+++ b/arch/arm/boot/dts/imx51-apf51dev.dts
@@ -98,7 +98,7 @@
 &esdhc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_esdhc1>;
-	cd-gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
+	cd-gpios = <&gpio2 29 GPIO_ACTIVE_LOW>;
 	bus-width = <4>;
 	status = "okay";
 };


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