linux-kernel - [PATCH 4/8] ARM: dts: imx6qdl-apalis/-colibri: disable read-only switch

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Date:   Mon,  9 Jul 2018 17:48:44 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, fabio.estevam@....com, linux-imx@....com,
        robh+dt@...nel.org, mark.rutland@....com,
        marcel.ziswiler@...adex.com, max.krummenacher@...adex.com,
        maitysanchayan@...il.com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Stefan Agner <stefan@...er.ch>
Subject: [PATCH 4/8] ARM: dts: imx6qdl-apalis/-colibri: disable read-only switch

Use the disable-wp to indicate that Apalis and Colibri iMX6 do not
make use of the native write-protect signal available on the i.MX 6
SoCs. This prevents warnings:
  mmc0: host does not support reading read-only switch, assuming write-enable

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/boot/dts/imx6qdl-apalis.dtsi  | 2 ++
 arch/arm/boot/dts/imx6qdl-colibri.dtsi | 1 +
 2 files changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 55bcea245df6..f9bacc9ff2b6 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -457,6 +457,7 @@
 	pinctrl-0 = <&pinctrl_usdhc1_4bit &pinctrl_usdhc1_8bit>;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <8>;
+	disable-wp;
 	no-1-8-v;
 	status = "disabled";
 };
@@ -467,6 +468,7 @@
 	pinctrl-0 = <&pinctrl_usdhc2>;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <4>;
+	disable-wp;
 	no-1-8-v;
 	status = "disabled";
 };
diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index bb44829dacbe..8ae17fdf6cf6 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -387,6 +387,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_mmc_cd>;
 	cd-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; /* MMCD */
+	disable-wp;
 	vqmmc-supply = <&reg_3p3v>;
 	bus-width = <4>;
 	no-1-8-v;
-- 
2.18.0