linux-kernel - Re: [PATCH v3 06/11] ARM: dts: imx6ul-kontron-n6x1x-s: Specify bus-width for SD card and eMMC

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Date:   Mon, 4 Nov 2019 07:40:55 +0000
From:   Schrempf Frieder <frieder.schrempf@...tron.de>
To:     Shawn Guo <shawnguo@...nel.org>
CC:     Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Krzysztof Kozlowski" <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        "Fabio Estevam" <festevam@...il.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 06/11] ARM: dts: imx6ul-kontron-n6x1x-s: Specify
 bus-width for SD card and eMMC

On 04.11.19 08:29, Shawn Guo wrote:
> On Thu, Oct 31, 2019 at 02:24:18PM +0000, Schrempf Frieder wrote:
>> From: Frieder Schrempf <frieder.schrempf@...tron.de>
>>
>> Both, the SD card and the eMMC are connected to the usdhc controller
>> by four data lines. Therefore we set 'bus-width = <4>' for both
>> interfaces.
>>
>> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
>> Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards")
>> ---
>>   arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
>> index 7c98a1a46fb1..2299cad900af 100644
>> --- a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
>> +++ b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
>> @@ -209,6 +209,7 @@
>>   	wakeup-source;
>>   	vmmc-supply = <&reg_3v3>;
>>   	voltage-ranges = <3300 3300>;
>> +	bus-width = <4>;
> 
> Isn't it already set in arch/arm/boot/dts/imx6ul.dtsi as the default?

Right, I somehow missed this. So this patch can be ignored.

> 
> Shawn
> 
>>   	no-1-8-v;
>>   	status = "okay";
>>   };
>> @@ -223,6 +224,7 @@
>>   	wakeup-source;
>>   	vmmc-supply = <&reg_3v3>;
>>   	voltage-ranges = <3300 3300>;
>> +	bus-width = <4>;
>>   	no-1-8-v;
>>   	status = "okay";
>>   };
>> -- 
>> 2.17.1
> 
> _______________________________________________
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> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

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