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authorMagnus Damm <damm+renesas@opensource.se>2014-06-06 16:20:18 +0900
committerSimon Horman <horms+renesas@verge.net.au>2014-06-26 15:51:51 +0900
commit784500be40a0eabcee1e48c70927aea9c9accb1e (patch)
tree38a4df1ebe1b86db8566f15c522f2a9868a56f54 /arch/arm/mach-shmobile
parent8b438bcb9009609a15e5480ab1947acff6fb9005 (diff)
downloadblackbird-op-linux-784500be40a0eabcee1e48c70927aea9c9accb1e.tar.gz
blackbird-op-linux-784500be40a0eabcee1e48c70927aea9c9accb1e.zip
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 <damm+renesas@opensource.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile')
-rw-r--r--arch/arm/mach-shmobile/platsmp-apmu.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c
index 590e35c22a60..ce07eb9f5cd5 100644
--- a/arch/arm/mach-shmobile/platsmp-apmu.c
+++ b/arch/arm/mach-shmobile/platsmp-apmu.c
@@ -15,6 +15,7 @@
#include <linux/of_address.h>
#include <linux/smp.h>
#include <linux/suspend.h>
+#include <linux/threads.h>
#include <asm/cacheflush.h>
#include <asm/cp15.h>
#include <asm/proc-fns.h>
@@ -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 */
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