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| author | Ashwin Chaugule | 2014-04-17 20:38:41 +0200 |
|---|---|---|
| committer | Ashwin Chaugule | 2014-05-15 16:16:00 +0200 |
| commit | e71246a23acbc89e9cb4ebf1558d60e65733479f (patch) | |
| tree | 733dd0f1f714b4b6473c7dade260861f5e51f551 /arch/arm/include | |
| parent | ARM/ARM64: KVM: Advertise KVM_CAP_ARM_PSCI_0_2 to user space (diff) | |
| download | kernel-qcow2-linux-e71246a23acbc89e9cb4ebf1558d60e65733479f.tar.gz kernel-qcow2-linux-e71246a23acbc89e9cb4ebf1558d60e65733479f.tar.xz kernel-qcow2-linux-e71246a23acbc89e9cb4ebf1558d60e65733479f.zip | |
PSCI: Add initial support for PSCIv0.2 functions
The PSCIv0.2 spec defines standard values of function IDs
and introduces a few new functions. Detect version of PSCI
and appropriately select the right PSCI functions.
Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/psci.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h index c4ae171850f8..b93e34a9fdf1 100644 --- a/arch/arm/include/asm/psci.h +++ b/arch/arm/include/asm/psci.h @@ -29,16 +29,19 @@ struct psci_operations { int (*cpu_off)(struct psci_power_state state); int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); int (*migrate)(unsigned long cpuid); + int (*affinity_info)(unsigned long target_affinity, + unsigned long lowest_affinity_level); + int (*migrate_info_type)(void); }; extern struct psci_operations psci_ops; extern struct smp_operations psci_smp_ops; #ifdef CONFIG_ARM_PSCI -void psci_init(void); +int psci_init(void); bool psci_smp_available(void); #else -static inline void psci_init(void) { } +static inline int psci_init(void) { } static inline bool psci_smp_available(void) { return false; } #endif |