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Message-ID: <CABxcv=kX07pNCd-YPYp6J8S5hHzG1rsoer1YRfdPE0g-xFqZnQ@mail.gmail.com>
Date: Wed, 11 Jun 2014 17:58:55 +0200
From: Javier Martinez Canillas <javier@...hile0.org>
To: Tushar Behera <tushar.b@...sung.com>
Cc: 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>,
Kevin Hilman <khilman@...aro.org>, dianders@...gle.com,
trblinux@...il.com, Shaik Ameer Basha <shaik.ameer@...sung.com>
Subject: Re: [PATCH 2/3] ARM: dts: Update the parent for Audss clocks in Exynos5420
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>
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