[PATCH 2/4] driver: cpuidle: cpuidle-big-little: init driver for Exynos5420

Daniel Lezcano daniel.lezcano at linaro.org
Tue Apr 22 04:12:00 PDT 2014


On 04/21/2014 01:49 PM, Chander Kashyap wrote:
> Add "samsung,exynos5420" compatible string to initialize generic
> big-little cpuidle driver for Exynos5420.
>
> Signed-off-by: Chander Kashyap <chander.kashyap at linaro.org>
> Signed-off-by: Chander Kashyap <k.chander at samsung.org>
> ---
>   drivers/cpuidle/cpuidle-big_little.c |    3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpuidle/cpuidle-big_little.c b/drivers/cpuidle/cpuidle-big_little.c
> index b45fc62..d0fac53 100644
> --- a/drivers/cpuidle/cpuidle-big_little.c
> +++ b/drivers/cpuidle/cpuidle-big_little.c
> @@ -170,7 +170,8 @@ static int __init bl_idle_init(void)
>   	/*
>   	 * Initialize the driver just for a compliant set of machines
>   	 */
> -	if (!of_machine_is_compatible("arm,vexpress,v2p-ca15_a7"))
> +	if (!of_machine_is_compatible("arm,vexpress,v2p-ca15_a7") &&
> +		(!of_machine_is_compatible("samsung,exynos5420")))
>   		return -ENODEV;
>   	/*
>   	 * For now the differentiation between little and big cores

BTW, are the latencies the same than the TC2 ?


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