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| author | Arnd Bergmann <arnd@arndb.de> | 2011-09-08 16:15:22 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-09-14 13:15:00 +0400 |
| commit | 2d8b21d95f44989e09fd9b36ca9f061ad5bc567e (patch) | |
| tree | a869e842cea511480f5cd8ecdedb109aa8c16072 /arch/arm/mach-spear13xx/hotplug.c | |
| parent | e4f2d97920f2256e5af035281e8ac35030493bf8 (diff) | |
| download | linux-2d8b21d95f44989e09fd9b36ca9f061ad5bc567e.tar.xz | |
ARM: SoC: convert spear13xx to SMP operations
Convert the spear13xx platform to use struct smp_operations to provide
its SMP and CPU hotplug operations.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: spear-devel@list.st.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-spear13xx/hotplug.c')
| -rw-r--r-- | arch/arm/mach-spear13xx/hotplug.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/arch/arm/mach-spear13xx/hotplug.c b/arch/arm/mach-spear13xx/hotplug.c index 5c6867b46d09..485fd4367bb1 100644 --- a/arch/arm/mach-spear13xx/hotplug.c +++ b/arch/arm/mach-spear13xx/hotplug.c @@ -56,7 +56,7 @@ static inline void cpu_leave_lowpower(void) : "cc"); } -static inline void platform_do_lowpower(unsigned int cpu, int *spurious) +static inline void spear13xx_do_lowpower(unsigned int cpu, int *spurious) { for (;;) { wfi(); @@ -79,17 +79,12 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious) } } -int platform_cpu_kill(unsigned int cpu) -{ - return 1; -} - /* * platform-specific code to shutdown a CPU * * Called with IRQs disabled */ -void __cpuinit platform_cpu_die(unsigned int cpu) +void __ref spear13xx_cpu_die(unsigned int cpu) { int spurious = 0; @@ -97,7 +92,7 @@ void __cpuinit platform_cpu_die(unsigned int cpu) * we're ready for shutdown now, so do it */ cpu_enter_lowpower(); - platform_do_lowpower(cpu, &spurious); + spear13xx_do_lowpower(cpu, &spurious); /* * bring this CPU back into the world of cache @@ -108,12 +103,3 @@ void __cpuinit platform_cpu_die(unsigned int cpu) if (spurious) pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious); } - -int platform_cpu_disable(unsigned int cpu) -{ - /* - * we don't allow CPU 0 to be shutdown (it is still too special - * e.g. clock tick interrupts) - */ - return cpu == 0 ? -EPERM : 0; -} |