linux-kernel - [PATCH 5.3 018/135] arm64: dts: ls1028a: fix a compatible issue

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Message-Id: <20191203213009.577683390@linuxfoundation.org>
Date:   Tue,  3 Dec 2019 23:34:18 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yuantian Tang <andy.tang@....com>,
        Li Yang <leoyang.li@....com>, Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 018/135] arm64: dts: ls1028a: fix a compatible issue

From: Yuantian Tang <andy.tang@....com>

[ Upstream commit 7eb3894b2fac978f811684e3ccb3cb0ad7820bef ]

The I2C multiplexer used on ls1028aqds is PCA9547, not PCA9847.
If the wrong compatible was used, this chip will not be able to
be probed correctly and hence fail to work.

Signed-off-by: Yuantian Tang <andy.tang@....com>
Acked-by: Li Yang <leoyang.li@....com>
Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC")
Signed-off-by: Shawn Guo <shawnguo@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
index de6ef39f3118a..fce9343dc017a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
@@ -99,7 +99,7 @@
 	status = "okay";
 
 	i2c-mux@77 {
-		compatible = "nxp,pca9847";
+		compatible = "nxp,pca9547";
 		reg = <0x77>;
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
2.20.1