diff options
Diffstat (limited to 'arch/arm64/kernel/psci.c')
| -rw-r--r-- | arch/arm64/kernel/psci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index a543ab7e007c..c9f72b2665f1 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -46,6 +46,11 @@ static int cpu_psci_cpu_boot(unsigned int cpu) } #ifdef CONFIG_HOTPLUG_CPU +static bool cpu_psci_cpu_can_disable(unsigned int cpu) +{ + return !psci_tos_resident_on(cpu); +} + static int cpu_psci_cpu_disable(unsigned int cpu) { /* Fail early if we don't have CPU_OFF support */ @@ -109,6 +114,7 @@ const struct cpu_operations cpu_psci_ops = { .cpu_prepare = cpu_psci_cpu_prepare, .cpu_boot = cpu_psci_cpu_boot, #ifdef CONFIG_HOTPLUG_CPU + .cpu_can_disable = cpu_psci_cpu_can_disable, .cpu_disable = cpu_psci_cpu_disable, .cpu_die = cpu_psci_cpu_die, .cpu_kill = cpu_psci_cpu_kill, |