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Date: Mon, 16 Jun 2014 15:56:19 +0530 From: Chander Kashyap <k.chander@...sung.com> To: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org Cc: linux-arm-kernel@...ts.infradead.org, daniel.lezcano@...aro.org, lorenzo.pieralisi@....com, rjw@...ysocki.net, kgene.kim@...sung.com, tomasz.figa@...il.com, Chander Kashyap <chander.kashyap@...aro.org>, Chander Kashyap <k.chander@...sung.com> Subject: [Patch v7 2/6] arm: exynos: add generic function to calculate cpu number From: Chander Kashyap <chander.kashyap@...aro.org> The address of cpu power registers in pmu is based on cpu number offsets. This function calculate the same. This is essentially required in case of multi-cluster SoC's e.g Exynos5420. Signed-off-by: Chander Kashyap <chander.kashyap@...aro.org> Signed-off-by: Chander Kashyap <k.chander@...sung.com> Reviewed-by: Tomasz Figa <t.figa@...sung.com> --- arch/arm/mach-exynos/regs-pmu.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h index 1d13b08..aff23bd 100644 --- a/arch/arm/mach-exynos/regs-pmu.h +++ b/arch/arm/mach-exynos/regs-pmu.h @@ -323,4 +323,13 @@ #define EXYNOS5420_SWRESET_KFC_SEL 0x3 +#include <asm/cputype.h> +#define MAX_CPUS_IN_CLUSTER 4 + +static inline unsigned int exynos_pmu_cpunr(unsigned int mpidr) +{ + return ((MPIDR_AFFINITY_LEVEL(mpidr, 1) * MAX_CPUS_IN_CLUSTER) + + MPIDR_AFFINITY_LEVEL(mpidr, 0)); +} + #endif /* __ASM_ARCH_REGS_PMU_H */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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