[PATCH 2/8] ARM: RealView: use generic cpu idle function for wfi

Sanjay Singh Rawat sanjay.rawat at linaro.org
Tue Jun 4 11:20:35 EDT 2013


Hello Russell,

can you please review this 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-realview/hotplug.c |    9 ++-------
>   1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c
> index ac22dd4..c42022b 100644
> --- a/arch/arm/mach-realview/hotplug.c
> +++ b/arch/arm/mach-realview/hotplug.c
> @@ -59,13 +59,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
>   	 * code will have already disabled interrupts
>   	 */
>   	for (;;) {
> -		/*
> -		 * 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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