On 8/28/2012 4:13 AM, Tomasz Figa wrote:
> diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
> index 36c3984..1114ced 100644
> --- a/arch/arm/mach-exynos/platsmp.c
> +++ b/arch/arm/mach-exynos/platsmp.c
> @@ -34,8 +34,19 @@
>
> extern void exynos4_secondary_startup(void);
>
> -#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \
> - S5P_INFORM5 : S5P_VA_SYSRAM)
> +static inline volatile void *cpu_boot_reg_base(void)
__iomem?
> +{
> + if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_1_1)
> + return S5P_INFORM5;
> + return S5P_VA_SYSRAM;
> +}
> +
> +static inline volatile void *cpu_boot_reg(int cpu)
__iomem? And why volatile?
> +{
> + if (soc_is_exynos4412())
> + return cpu_boot_reg_base() + 4*cpu;
> + return cpu_boot_reg_base();
> +}
>
> /*
> * control for which core is the next to come out of the secondary
> @@ -195,6 +208,8 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
> * until it receives a soft interrupt, and then the
> * secondary CPU branches to this address.
> */
> - __raw_writel(virt_to_phys(exynos4_secondary_startup),
> - CPU1_BOOT_REG);
> + for (i = 1; i < max_cpus; ++i) {
> + __raw_writel(virt_to_phys(exynos4_secondary_startup),
> + cpu_boot_reg(i));
Do you need to use cpu_logical_map()?
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