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| author |   Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com> | 2014-07-17 18:19:18 +0100 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2014-07-18 15:23:25 +0100 |
| commit | 756854d9b99a735f86bc3b86df5c19be12e8746e (patch) | |
| tree | 58adf39e1951db36975cedd8704ae05bce7b315d /arch/arm64 | |
| parent | arm64: fpsimd: avoid restoring fpcr if the contents haven't changed (diff) | |
| download | linux-dev-756854d9b99a735f86bc3b86df5c19be12e8746e.tar.xz linux-dev-756854d9b99a735f86bc3b86df5c19be12e8746e.zip | |
arm64: kernel: enable PSCI cpu operations on UP systems
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>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kernel/cpu_ops.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/psci.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/kernel/cpu_ops.c b/arch/arm64/kernel/cpu_ops.c index d62d12fb36c8..cce952440c64 100644 --- a/arch/arm64/kernel/cpu_ops.c +++ b/arch/arm64/kernel/cpu_ops.c @@ -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, }; diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c index 9e9798f91172..a623c44a6bc4 100644 --- a/arch/arm64/kernel/psci.c +++ b/arch/arm64/kernel/psci.c @@ -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 |