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Commit b62655f4 authored by Shawn Guo's avatar Shawn Guo Committed by Russell King
Browse files

ARM: 7571/1: SMP: add function arch_send_wakeup_ipi_mask() 



Add function arch_send_wakeup_ipi_mask(), so that platform code can
use it as an easy way to wake up cores that are in WFI.

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent ee951c63

arch/arm/include/asm/smp.h

+1 −0
Original line number Diff line number Diff line
@@ -79,6 +79,7 @@ extern void cpu_die(void); 


extern void arch_send_call_function_single_ipi(int cpu);

extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);

extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask);



struct smp_operations {

#ifdef CONFIG_SMP

arch/arm/kernel/smp.c

+5 −0
Original line number Diff line number Diff line
@@ -415,6 +415,11 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) 
	smp_cross_call(mask, IPI_CALL_FUNC);

}



void arch_send_wakeup_ipi_mask(const struct cpumask *mask)

{

	smp_cross_call(mask, IPI_WAKEUP);

}



void arch_send_call_function_single_ipi(int cpu)

{

	smp_cross_call(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);