linux-kernel - [PATCH] dt-bindings: iio: adc: vf610-adc: Remove redundant property from vf610

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Date:   Tue, 31 Dec 2019 17:33:05 +0800
From:   YuDong Zhang <mtwget@...il.com>
To:     robh+dt@...nel.org
Cc:     mark.rutland@....com, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, YuDong Zhang <mtwget@...il.com>
Subject: [PATCH] dt-bindings: iio: adc: vf610-adc: Remove redundant property from vf610_adc

Remove the num-channels property that vf610_adc driver will not use.

Signed-off-by: YuDong Zhang <mtwget@...il.com>
---
 arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi | 1 -
 arch/arm/boot/dts/imx6ul-phytec-segin.dtsi    | 5 -----
 arch/arm/boot/dts/imx6ul.dtsi                 | 1 -
 arch/arm/boot/dts/imx6ull-colibri.dtsi        | 1 -
 4 files changed, 8 deletions(-)

diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
index f05e91841202..4394e1370d34 100644
--- a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
+++ b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
@@ -72,7 +72,6 @@ reg_vref_adc: regulator-vref-adc {
 &adc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_adc1>;
-	num-channels = <3>;
 	vref-supply = <&reg_vref_adc>;
 	status = "okay";
 };
diff --git a/arch/arm/boot/dts/imx6ul-phytec-segin.dtsi b/arch/arm/boot/dts/imx6ul-phytec-segin.dtsi
index 8d5f8dc6ad58..e7198c2922c6 100644
--- a/arch/arm/boot/dts/imx6ul-phytec-segin.dtsi
+++ b/arch/arm/boot/dts/imx6ul-phytec-segin.dtsi
@@ -83,11 +83,6 @@ &adc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_adc1>;
 	vref-supply = <&reg_adc1_vref_3v3>;
-	/*
-	 * driver can not separate a specific channel so we request 4 channels
-	 * here - we need only the fourth channel
-	 */
-	num-channels = <4>;
 	status = "disabled";
 };
 
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index d9fdca12819b..458a301be215 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -892,7 +892,6 @@ adc1: adc@...8000 {
 				reg = <0x02198000 0x4000>;
 				interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clks IMX6UL_CLK_ADC1>;
-				num-channels = <2>;
 				clock-names = "adc";
 				fsl,adck-max-frequency = <30000000>, <40000000>,
 							 <20000000>;
diff --git a/arch/arm/boot/dts/imx6ull-colibri.dtsi b/arch/arm/boot/dts/imx6ull-colibri.dtsi
index 9145c536d71a..1e70c9da9e36 100644
--- a/arch/arm/boot/dts/imx6ull-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6ull-colibri.dtsi
@@ -50,7 +50,6 @@ reg_sd1_vmmc: regulator-sd1-vmmc {
 };
 
 &adc1 {
-	num-channels = <10>;
 	vref-supply = <&reg_module_3v3_avdd>;
 };
 
-- 
2.24.1