[PATCH] ARM: formalize an IPI for CPU wake-ups

[Kukjin Kim]

Stephen Boyd wrote:
> 
> On 07/10/12 23:34, Kukjin Kim wrote:
> > Stephen Boyd wrote:
> >> Great. Kukjin Kim, can exynos use SGI0? It looks like exynos is the
> only
> >> one left to move to SGI0.
> >>
> > Yeah, EXYNOS can use SGI0 instead of SGI1 :)
> >
> >
> 
> Russell, can we apply something like this?
> 
Please feel free to add my ack on following change.

Acked-by: Kukjin Kim <kgene.kim at samsung.com>

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-
> exynos/platsmp.c
> index 36c3984..090e32b 100644
> --- a/arch/arm/mach-exynos/platsmp.c
> +++ b/arch/arm/mach-exynos/platsmp.c
> @@ -139,7 +139,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct
> task_struct *idle)
> 
>  		__raw_writel(virt_to_phys(exynos4_secondary_startup),
>  			CPU1_BOOT_REG);
> -		gic_raise_softirq(cpumask_of(cpu), 1);
> +		gic_raise_softirq(cpumask_of(cpu), 0);
> 
>  		if (pen_release == -1)
>  			break;
> 
> 
> I see we have another user of SGI1. Magnus/Rafael, can we move
> smp-emev2.c to use SGI0 instead of SGI1?
> 
> --
> Sent by an employee of the Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.