linux-kernel - Re: [PATCH] ARM: tegra: Correct which USB controller has the UTMI pad registers

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Date:	Thu, 02 Apr 2015 17:53:20 +0300
From:	Mikko Perttunen <mikko.perttunen@...si.fi>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	linux-tegra@...r.kernel.org
CC:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: tegra: Correct which USB controller has the UTMI
 pad registers

Have you checked that this patch applies correctly, considering that the 
chunks are still ambiguous? :)

Mikko

On 04/02/2015 05:31 PM, Tomeu Vizoso wrote:
> It should be the first controller, not the second.
>
> This broke USB after 6261b06 ("regulator: Defer lookup of supply to
> regulator_get"), because it changed the order in which the controllers
> were probed.
>
> The fix for this issue was suggested by Mikko Perttunen.
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> Cc: Mikko Perttunen <mikko.perttunen@...si.fi>
> ---
>   arch/arm/boot/dts/tegra124.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
> index cf01c81..cb786a9 100644
> --- a/arch/arm/boot/dts/tegra124.dtsi
> +++ b/arch/arm/boot/dts/tegra124.dtsi
> @@ -838,6 +838,7 @@
>   		nvidia,hssquelch-level = <2>;
>   		nvidia,hsdiscon-level = <5>;
>   		nvidia,xcvr-hsslew = <12>;
> +		nvidia,has-utmi-pad-registers;
>   		status = "disabled";
>   	};
>
> @@ -874,7 +875,6 @@
>   		nvidia,hssquelch-level = <2>;
>   		nvidia,hsdiscon-level = <5>;
>   		nvidia,xcvr-hsslew = <12>;
> -		nvidia,has-utmi-pad-registers;
>   		status = "disabled";
>   	};
>
>

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