Re: [PATCH] clk: samsung: exynos4: Disable ARMCLK down feature on Exynos4210 SoC

From: Michael Turquette
Date: Mon Apr 13 2015 - 00:02:26 EST


Quoting Krzysztof Kozlowski (2015-03-28 09:37:05)
> 2015-03-27 17:27 GMT+01:00 Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>:
> > Commit 42773b28e71d ("clk: samsung: exynos4: Enable ARMCLK
> > down feature") enabled ARMCLK down feature on all Exynos4
> > SoCs. Unfortunately on Exynos4210 SoC ARMCLK down feature
> > causes a lockup when ondemand cpufreq governor is used.
> > Fix it by limiting ARMCLK down feature to Exynos4x12 SoCs.
> >
> > This patch was tested on:
> > - Exynos4210 SoC based Trats board
> > - Exynos4210 SoC based Origen board
> > - Exynos4412 SoC based Trats2 board
> > - Exynos4412 SoC based Odroid-U3 board
> >
> > Cc: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> > Cc: Daniel Drake <drake@xxxxxxxxxxxx>
> > Cc: Tomasz Figa <t.figa@xxxxxxxxxxx>
> > Cc: Kukjin Kim <kgene@xxxxxxxxxx>
> > Fixes: 42773b28e71d ("clk: samsung: exynos4: Enable ARMCLK down feature")
> > Cc: <stable@xxxxxxxxxxxxxxx> # v3.17+
> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> > ---
> > drivers/clk/samsung/clk-exynos4.c | 11 +++++------
> > 1 file changed, 5 insertions(+), 6 deletions(-)
>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

Applied.

Thanks,
Mike

>
> Best regards,
> Krzysztof
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