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ARM: SoC: convert Tegra to SMP operations

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Convert Tegra to use struct smp_operations to provide its SMP
and CPU hotplug operations.

Tested on Harmony.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Marc Zyngier
2011-09-08 13:15:22 +01:00
committed by Arnd Bergmann
parent 06915321e7
commit a17257322f
9 changed files with 31 additions and 19 deletions
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16
arch/arm/mach-tegra/hotplug.c
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@@ -87,17 +87,12 @@ 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 platform_cpu_die(unsigned int cpu)
void __ref tegra_cpu_die(unsigned int cpu)
{
int spurious = 0;
@@ -116,12 +111,3 @@ void 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;
}