linux-kernel - Re: [PATCH 2/3] ARM: dts: Update the parent for Audss clocks in Exynos5420

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Message-ID: <539ED472.5020102@gmail.com>
Date:	Mon, 16 Jun 2014 16:56:42 +0530
From:	Tushar Behera <trblinux@...il.com>
To:	Kevin Hilman <khilman@...aro.org>
CC:	Javier Martinez Canillas <javier@...hile0.org>,
	Tushar Behera <tushar.b@...sung.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-samsung-soc@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, mturquette@...aro.org,
	t.figa@...sung.com, Russell King <linux@....linux.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Kukjin Kim <kgene.kim@...sung.com>, dianders@...gle.com,
	Shaik Ameer Basha <shaik.ameer@...sung.com>
Subject: Re: [PATCH 2/3] ARM: dts: Update the parent for Audss clocks in Exynos5420

On 06/11/2014 09:28 PM, Javier Martinez Canillas wrote:
> On Wed, Jun 11, 2014 at 7:32 AM, Tushar Behera <tushar.b@...sung.com> wrote:
>> Currently CLK_FOUT_EPLL was set as one of the parents of AUDSS mux.
>> As per the user manual, it should be CLK_MAU_EPLL.
>>
>> The problem surfaced when the bootloader in Peach-pit board set
>> the EPLL clock as the parent of AUDSS mux. While booting the kernel,
>> we used to get a system hang during late boot if CLK_MAU_EPLL was
>> disabled.
>>
>> Signed-off-by: Tushar Behera <tushar.b@...sung.com>
>> Signed-off-by: Shaik Ameer Basha <shaik.ameer@...sung.com>
>> Reported-by: Kevin Hilman <khilman@...aro.org>
>> ---
>>  arch/arm/boot/dts/exynos5420.dtsi |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
>> index e385322..79e9119 100644
>> --- a/arch/arm/boot/dts/exynos5420.dtsi
>> +++ b/arch/arm/boot/dts/exynos5420.dtsi
>> @@ -167,7 +167,7 @@
>>                 compatible = "samsung,exynos5420-audss-clock";
>>                 reg = <0x03810000 0x0C>;
>>                 #clock-cells = <1>;
>> -               clocks = <&clock CLK_FIN_PLL>, <&clock CLK_FOUT_EPLL>,
>> +               clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>,
>>                          <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>;
>>                 clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in";
>>         };
>> --
>> 1.7.9.5
>>
>> --
> 
> Tested-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
> 

Kukjin,

Would you please take this patch as a fix for 3.16?

-- 
Tushar Behera
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