linux-kernel - Re: [PATCH v2 3/5] ARM: mvebu: set SW polling as SDHCI card detection on A388-GP

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Date:	Fri, 9 Oct 2015 15:46:41 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Marcin Wojtas <mw@...ihalf.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mmc@...r.kernel.org, ulf.hansson@...aro.org,
	sebastian.hesselbarth@...il.com, jason@...edaemon.net,
	thomas.petazzoni@...e-electrons.com,
	gregory.clement@...e-electrons.com, nadavh@...vell.com,
	alior@...vell.com, tawfik@...vell.com, jaz@...ihalf.com
Subject: Re: [PATCH v2 3/5] ARM: mvebu: set SW polling as SDHCI card
 detection on A388-GP

On Fri, Oct 09, 2015 at 03:03:53AM +0200, Marcin Wojtas wrote:
> The newest revisions of A388-GP (v1.5 and higher) support only
> DAT3-based card detection. Revisions < v1.5 based on GPIO detection
> via I2C expander, but this solution is supposed to be deprecated on
> new boards. In order to satisfy all type of hardware this commit
> changes card detection to use software polling mechanism.

Hi Marcin

Thanks for going with broken-cd and not introducing a regression for
older boards. As others have said, a comment would be good, but
otherwise:

Acked-by: Andrew Lunn <andrew@...n.ch>

Thanks
	Andrew

> 
> Signed-off-by: Marcin Wojtas <mw@...ihalf.com>
> ---
>  arch/arm/boot/dts/armada-388-gp.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/armada-388-gp.dts b/arch/arm/boot/dts/armada-388-gp.dts
> index 391dea9..403a86b 100644
> --- a/arch/arm/boot/dts/armada-388-gp.dts
> +++ b/arch/arm/boot/dts/armada-388-gp.dts
> @@ -213,8 +213,8 @@
>  			sdhci@...00 {
>  				pinctrl-names = "default";
>  				pinctrl-0 = <&sdhci_pins>;
> -				cd-gpios = <&expander0 5 GPIO_ACTIVE_LOW>;
>  				no-1-8-v;
> +				broken-cd;
>  				wp-inverted;
>  				bus-width = <8>;
>  				status = "okay";
> -- 
> 1.8.3.1
> 
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