linux-kernel - Re: [PATCH 1/3] ARM: dts: exynos5422-odroidxu3: use cd-gpio method to detect sd-card

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Message-id: <561B3A83.6090607@samsung.com>
Date:	Mon, 12 Oct 2015 13:43:47 +0900
From:	Jaehoon Chung <jh80.chung@...sung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Anand Moon <linux.amoon@...il.com>,
	Kukjin Kim <kgene@...nel.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Lukasz Majewski <l.majewski@...sung.com>
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: dts: exynos5422-odroidxu3: use cd-gpio method to
 detect sd-card

Hi,

On 10/12/2015 01:29 PM, Krzysztof Kozlowski wrote:
> On 12.10.2015 00:46, Anand Moon wrote:
>> From: Jaehoon Chung <jh80.chung@...sung.com>
>>
>> To detect sd-card use the cd-gpio method.
>> It can decrease the interrupt for detecting sd-card.
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung@...sung.com>
>> Signed-off-by: Anand Moon <linux.amoon@...il.com>
>>
>> ---
>> Changes based on git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung.git v4.4-next/dt-samsung branch
>> ---
>>  arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
>> index 1af5bdc..26decbd 100644
>> --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
>> +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
>> @@ -352,8 +352,10 @@
>>  	samsung,dw-mshc-ciu-div = <3>;
>>  	samsung,dw-mshc-sdr-timing = <0 4>;
>>  	samsung,dw-mshc-ddr-timing = <0 2>;
>> +	cd-gpios = <&gpc2 2 GPIO_ACTIVE_HIGH>;
>> +	cd-inverted;
>>  	pinctrl-names = "default";
>> -	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
>> +	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;

Don't do change this.

> 
> Anand,
> 
> You essentially reverted here af6ad88acbd6 ("ARM: dts: Mux XMMCnDATA[0]
> pad correctly for Exynos5420 boards"). Why? There is no explanation in
> the commit message about this.

I don't remember to send the patch relevant to this. Hmm...
Well, Is this patch really signed-off by me?

Best Regards,
Jaehoon Chung
> 
> Best regards,
> Krzysztof
> 
> 

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