[RFC PATCH 4/8] ARM: exynos4: convert logical CPU numbers to physical numbers

[Kyungmin Park]

Tested-by: Kyungmin Park <kyungmin.park at samsung.com>
Acked-by: Kyungmin Park <kyungmin.park at samsung.com>

On Wed, Aug 10, 2011 at 6:42 AM, Will Deacon <will.deacon at arm.com> wrote:
> This patch uses the new cpu_logical_map() macro for converting logical
> CPU numbers into physical numbers when dealing with the pen_release
> variable in the SMP boot and CPU hotplug paths.
>
> Cc: Kukjin Kim <kgene.kim at samsung.com>
> Signed-off-by: Will Deacon <will.deacon at arm.com>
> ---
>  arch/arm/mach-exynos4/hotplug.c |    2 +-
>  arch/arm/mach-exynos4/platsmp.c |    2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-exynos4/hotplug.c b/arch/arm/mach-exynos4/hotplug.c
> index 7490789..da70e7e 100644
> --- a/arch/arm/mach-exynos4/hotplug.c
> +++ b/arch/arm/mach-exynos4/hotplug.c
> @@ -75,7 +75,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
>                    :
>                    : "memory", "cc");
>
> -               if (pen_release == cpu) {
> +               if (pen_release == cpu_logical_map(cpu)) {
>                        /*
>                         * OK, proper wakeup, we're done
>                         */
> diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
> index 7c2282c..0733814 100644
> --- a/arch/arm/mach-exynos4/platsmp.c
> +++ b/arch/arm/mach-exynos4/platsmp.c
> @@ -126,7 +126,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
>         * Note that "pen_release" is the hardware CPU ID, whereas
>         * "cpu" is Linux's internal ID.
>         */
> -       write_pen_release(cpu);
> +       write_pen_release(cpu_logical_map(cpu));
>
>        if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) {
>                __raw_writel(S5P_CORE_LOCAL_PWR_EN,
> --
> 1.7.0.4
>
>
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