[RFC PATCH 4/8] ARM: exynos4: convert logical CPU numbers to physical numbers
From: Kyungmin Park <hidden>
Date: 2011-08-10 01:07:46
Tested-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> On Wed, Aug 10, 2011 at 6:42 AM, Will Deacon [off-list ref] wrote:
quoted hunk ↗ jump to hunk
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 <redacted> Signed-off-by: Will Deacon <redacted> --- ?arch/arm/mach-exynos4/hotplug.c | ? ?2 +- ?arch/arm/mach-exynos4/platsmp.c | ? ?2 +- ?2 files changed, 2 insertions(+), 2 deletions(-)diff --git a/arch/arm/mach-exynos4/hotplug.c b/arch/arm/mach-exynos4/hotplug.c index 7490789..da70e7e 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 7c2282c..0733814 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, -- 1.7.0.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel