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>
Best regards,
Krzysztof
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