linux-kernel - Re: [PATCH v2] arm64: dts: ls1028a: fix a compatible issue

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Message-ID: <20191025082642.GG3208@dragon>
Date:   Fri, 25 Oct 2019 16:26:44 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Yuantian Tang <andy.tang@....com>
Cc:     leoyang.li@....com, robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: ls1028a: fix a compatible issue

On Thu, Oct 10, 2019 at 04:33:34PM +0800, Yuantian Tang wrote:
> 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>

Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC")

I added the tag and applied the patch.  Please take care of adding Fixes
tag for fixes in the future.

Shawn

> ---
> v2:
> 	- refine the description
>  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 5e14e5a19744..f5da9e8b0d9d 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
> @@ -107,7 +107,7 @@
>  	status = "okay";
>  
>  	i2c-mux@77 {
> -		compatible = "nxp,pca9847";
> +		compatible = "nxp,pca9547";
>  		reg = <0x77>;
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> -- 
> 2.17.1
>