[PATCH V2 2/2] ARM: EXYNOS: cpuidle: Allow C1 state only in supported SOC's.
Kukjin Kim
kgene at kernel.org
Wed Jul 24 01:15:34 EDT 2013
Amit Daniel Kachhap wrote:
>
> This patch registers the basic C0 state for all exynos SOC's but
> limits the C1(AFTR -Arm off top running) state in only the supported
> SOC's(ie. EXYNOS 4210, 4212, 4412 and 5250).
>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel at samsung.com>
> ---
> arch/arm/mach-exynos/cpuidle.c | 4 +++-
> 1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-
> exynos/cpuidle.c
> index 2d071c6..ccb2b48 100644
> --- a/arch/arm/mach-exynos/cpuidle.c
> +++ b/arch/arm/mach-exynos/cpuidle.c
> @@ -176,7 +176,9 @@ static int __init exynos4_init_cpuidle(void)
> device->cpu = cpu_id;
>
> /* Support IDLE only */
> - if (cpu_id != 0)
> + if (!(soc_is_exynos4210() || soc_is_exynos4212() ||
> + soc_is_exynos4412() || soc_is_exynos5250()) ||
> + cpu_id != 0)
How about exynos5420?
So...
+ if (soc_is_exynos5440() || cpu_id !=0) ?
> device->state_count = 1;
>
> ret = cpuidle_register_device(device);
> --
> 1.7.1
- Kukjin
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