[PATCH v5 5/6] exynos: cpuidle: do not allow cpuidle registration for Exynos5420
Tomasz Figa
tomasz.figa at gmail.com
Thu May 15 14:26:51 PDT 2014
Hi Chander,
On 14.05.2014 10:03, Chander Kashyap wrote:
> Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
> Hence do not allow exynos cpuidle driver registration for Exynos5420.
>
> Signed-off-by: Chander Kashyap <chander.kashyap at linaro.org>
> Signed-off-by: Chander Kashyap <k.chander at samsung.com>
> Acked-by: Daniel Lezcano <daniel.lezcano at linaro.org>
> ---
> arch/arm/mach-exynos/cpuidle.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
> index 3dd385e..807a386 100644
> --- a/arch/arm/mach-exynos/cpuidle.c
> +++ b/arch/arm/mach-exynos/cpuidle.c
> @@ -218,6 +218,9 @@ static int exynos_cpuidle_probe(struct platform_device *pdev)
> int cpu_id, ret;
> struct cpuidle_device *device;
>
> + if (soc_is_exynos5420())
> + return -ENODEV;
> +
> if (soc_is_exynos5250())
> exynos5_core_down_clk();
>
>
Why not put this in exynos.c in exynos_dt_machine_init(), so
exynos_cpuidle_init() is called only if not running on Exynos5420?
Best regards,
Tomasz
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