linux-kernel - [PATCH 5.19 0212/1157] Revert "ARM: dts: imx6qdl-apalis: Avoid underscore in node name"

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Date:   Mon, 15 Aug 2022 19:52:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Max Krummenacher <max.krummenacher@...adex.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 0212/1157] Revert "ARM: dts: imx6qdl-apalis: Avoid underscore in node name"

From: Max Krummenacher <max.krummenacher@...adex.com>

[ Upstream commit 9c0919acb3fa7c1a24e384ff912f2d88f060c373 ]

The STMPE MFD device binding requires the child node to have a fixed
name, i.e. with '_', not '-'. Otherwise the stmpe_adc, stmpe_touchscreen
drivers will not be probed.

Fixes: 56086b5e804f ("ARM: dts: imx6qdl-apalis: Avoid underscore in node name")
Reviewed-by: Ahmad Fatoum <a.fatoum@...gutronix.de>
Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com>
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/imx6qdl-apalis.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index bd763bae596b..da919d0544a8 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -315,7 +315,7 @@ stmpe811@41 {
 		/* ADC conversion time: 80 clocks */
 		st,sample-time = <4>;
 
-		stmpe_touchscreen: stmpe-touchscreen {
+		stmpe_touchscreen: stmpe_touchscreen {
 			compatible = "st,stmpe-ts";
 			/* 8 sample average control */
 			st,ave-ctrl = <3>;
@@ -332,7 +332,7 @@ stmpe_touchscreen: stmpe-touchscreen {
 			st,touch-det-delay = <5>;
 		};
 
-		stmpe_adc: stmpe-adc {
+		stmpe_adc: stmpe_adc {
 			compatible = "st,stmpe-adc";
 			/* forbid to use ADC channels 3-0 (touch) */
 			st,norequest-mask = <0x0F>;
-- 
2.35.1