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Commit 5c4dfcd6 authored by Magnus Damm's avatar Magnus Damm Committed by Simon Horman
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ARM: shmobile: Introduce shmobile_smp_cpu_disable() 



Introduce the shared CPU Hotplug function shmobile_smp_cpu_disable()
for mach-shmobile. It is useful for the case when all CPUs may be
hotplugged, including CPU 0.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent cde214a8

arch/arm/mach-shmobile/include/mach/common.h

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ extern void shmobile_smp_boot(void); 
extern void shmobile_smp_sleep(void);

extern void shmobile_smp_hook(unsigned int cpu, unsigned long fn,

			      unsigned long arg);

extern int shmobile_smp_cpu_disable(unsigned int cpu);

extern void shmobile_boot_scu(void);

extern void shmobile_smp_scu_prepare_cpus(unsigned int max_cpus);

extern int shmobile_smp_scu_boot_secondary(unsigned int cpu,

arch/arm/mach-shmobile/platsmp.c

+7 −0
Original line number Diff line number Diff line
@@ -44,3 +44,10 @@ void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg) 
	shmobile_smp_arg[cpu] = arg;

	flush_cache_all();

}



#ifdef CONFIG_HOTPLUG_CPU

int shmobile_smp_cpu_disable(unsigned int cpu)

{

	return 0; /* Hotplug of any CPU is supported */

}

#endif