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arm64: kernel: enable PSCI cpu operations on UP systems

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PSCI CPU operations have to be enabled on UP kernels so that calls
like eg cpu_suspend can be made functional on UP too.

This patch reworks the PSCI CPU operations so that they can be
enabled on UP systems.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Lorenzo Pieralisi 2014-07-17 18:19:18 +01:00 committed by Catalin Marinas
parent 5959e25729
commit 756854d9b9
2 changed files with 4 additions and 2 deletions
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2
arch/arm64/kernel/cpu_ops.c
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@ -30,8 +30,8 @@ const struct cpu_operations *cpu_ops[NR_CPUS];
static const struct cpu_operations *supported_cpu_ops[] __initconst = {
#ifdef CONFIG_SMP
&smp_spin_table_ops,
&cpu_psci_ops,
#endif
&cpu_psci_ops,
NULL,
};

4
arch/arm64/kernel/psci.c
View file

@ -434,9 +434,11 @@ static int cpu_psci_cpu_kill(unsigned int cpu)
return 0;
}
#endif
#endif
const struct cpu_operations cpu_psci_ops = {
.name = "psci",
#ifdef CONFIG_SMP
.cpu_init = cpu_psci_cpu_init,
.cpu_prepare = cpu_psci_cpu_prepare,
.cpu_boot = cpu_psci_cpu_boot,
@ -445,6 +447,6 @@ const struct cpu_operations cpu_psci_ops = {
.cpu_die = cpu_psci_cpu_die,
.cpu_kill = cpu_psci_cpu_kill,
#endif
#endif
};
#endif