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authorWill Deacon <will.deacon@arm.com>2011-08-09 11:29:19 +0100
committerWill Deacon <will.deacon@arm.com>2011-10-17 10:01:11 +0100
commit2f41c36b07af71bb308ff8f1739481b022476080 (patch)
tree6c8f0fe53702f20c5dfa17e0972588db00548209 /arch/arm
parent5a567d78c437e3be1c512734cdfe64b4ae6b82d7 (diff)
downloadblackbird-op-linux-2f41c36b07af71bb308ff8f1739481b022476080.tar.gz
blackbird-op-linux-2f41c36b07af71bb308ff8f1739481b022476080.zip
ARM: exynos4: convert logical CPU numbers to physical numbers
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@samsung.com> Tested-and-acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-exynos4/hotplug.c2
-rw-r--r--arch/arm/mach-exynos4/platsmp.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-exynos4/hotplug.c b/arch/arm/mach-exynos4/hotplug.c
index 7490789784c9..da70e7e39937 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 7c2282c6ba81..073381469c9d 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,
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