[PATCH 1/8] ARM: EXYNOS: use generic cpu idle function for wfi

Sanjay Singh Rawat sanjay.rawat at linaro.org
Tue Jun 4 11:25:19 EDT 2013


Hello Kukjin,

can you please review the patch?

On Monday 27 May 2013 08:02 PM, Sanjay Singh Rawat wrote:
> use cpu_do_idle for entering the WFI mode.
>
> Signed-off-by: Sanjay Singh Rawat<sanjay.rawat at linaro.org>
> ---
>   arch/arm/mach-exynos/hotplug.c |    9 ++-------
>   1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
> index af90cfa..7fcedd8 100644
> --- a/arch/arm/mach-exynos/hotplug.c
> +++ b/arch/arm/mach-exynos/hotplug.c
> @@ -98,13 +98,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
>   		if (cpu == 1)
>   			__raw_writel(0, S5P_ARM_CORE1_CONFIGURATION);
>
> -		/*
> -		 * here's the WFI
> -		 */
> -		asm(".word	0xe320f003\n"
> -		    :
> -		    :
> -		    : "memory", "cc");
> +		/* enter WFI mode */
> +		cpu_do_idle();
>
>   		if (pen_release == cpu_logical_map(cpu)) {
>   			/*




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