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Commit 1ccde330 authored by Teng Fei Fan's avatar Teng Fei Fan
Browse files

arm: psci: add psci_cpu_can_disable() function 



Some devices which support disable cpu0 can not disable cpu0,
so add psci_cpu_can_disable() function to make all cpus can
disable.

Change-Id: Iaed4129abfc1283c6371bc11bbe5ae4e66317280
Signed-off-by: default avatarTeng Fei Fan <tengfei@codeaurora.org>
parent 5ef504ce

arch/arm/kernel/psci_smp.c

+7 −0
Original line number Diff line number Diff line
@@ -112,6 +112,12 @@ int psci_cpu_kill(unsigned int cpu) 
	return 0;

}



static bool psci_cpu_can_disable(unsigned int cpu)

{

	/*Hotplug of any CPU is supported*/

	return true;

}



#endif



bool __init psci_smp_available(void)
@@ -126,5 +132,6 @@ const struct smp_operations psci_smp_ops __initconst = { 
	.cpu_disable		= psci_cpu_disable,

	.cpu_die		= psci_cpu_die,

	.cpu_kill		= psci_cpu_kill,

	.cpu_can_disable	= psci_cpu_can_disable,

#endif

};