From f4805493b8c4a443c3df75702e28644eb5daa5ff Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Fri, 6 Jun 2014 16:20:18 +0900 Subject: [PATCH] ARM: shmobile: Adjust APMU code to build for non-SMP Adjust the APMU code to allow build when CONFIG_SMP=n. Signed-off-by: Magnus Damm Signed-off-by: Simon Horman (cherry picked from commit 784500be40a0eabcee1e48c70927aea9c9accb1e) Signed-off-by: Simon Horman --- arch/arm/mach-shmobile/platsmp-apmu.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c index 590e35c..ce07eb9 100644 --- a/arch/arm/mach-shmobile/platsmp-apmu.c +++ b/arch/arm/mach-shmobile/platsmp-apmu.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #include @@ -25,13 +26,13 @@ static struct { void __iomem *iomem; int bit; -} apmu_cpus[CONFIG_NR_CPUS]; +} apmu_cpus[NR_CPUS]; #define WUPCR_OFFS 0x10 #define PSTR_OFFS 0x40 #define CPUNCR_OFFS(n) (0x100 + (0x10 * (n))) -static int apmu_power_on(void __iomem *p, int bit) +static int __maybe_unused apmu_power_on(void __iomem *p, int bit) { /* request power on */ writel_relaxed(BIT(bit), p + WUPCR_OFFS); @@ -50,7 +51,7 @@ static int apmu_power_off(void __iomem *p, int bit) return 0; } -static int apmu_power_off_poll(void __iomem *p, int bit) +static int __maybe_unused apmu_power_off_poll(void __iomem *p, int bit) { int k; @@ -73,7 +74,7 @@ static int apmu_wrap(int cpu, int (*fn)(void __iomem *p, int cpu)) static void apmu_init_cpu(struct resource *res, int cpu, int bit) { - if (apmu_cpus[cpu].iomem) + if ((cpu >= ARRAY_SIZE(apmu_cpus)) || apmu_cpus[cpu].iomem) return; apmu_cpus[cpu].iomem = ioremap_nocache(res->start, resource_size(res)); @@ -137,6 +138,7 @@ void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus) apmu_parse_cfg(apmu_init_cpu); } +#ifdef CONFIG_SMP int shmobile_smp_apmu_boot_secondary(unsigned int cpu, struct task_struct *idle) { /* For this particular CPU register boot vector */ @@ -144,6 +146,7 @@ int shmobile_smp_apmu_boot_secondary(unsigned int cpu, struct task_struct *idle) return apmu_wrap(cpu, apmu_power_on); } +#endif #if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_SUSPEND) /* nicked from arch/arm/mach-exynos/hotplug.c */ -- 2.7.4