diff options
Diffstat (limited to 'arch/arm64/include/asm/cpu_ops.h')
| -rw-r--r-- | arch/arm64/include/asm/cpu_ops.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpu_ops.h b/arch/arm64/include/asm/cpu_ops.h index c4cdb5e5b73..15241307650 100644 --- a/arch/arm64/include/asm/cpu_ops.h +++ b/arch/arm64/include/asm/cpu_ops.h @@ -39,6 +39,9 @@ struct device_node; * from the cpu to be killed. * @cpu_die: Makes a cpu leave the kernel. Must not fail. Called from the * cpu being killed. + * @cpu_suspend: Suspends a cpu and saves the required context. May fail owing + * to wrong parameters or error conditions. Called from the + * CPU being suspended. Must be called with IRQs disabled. */ struct cpu_operations { const char *name; @@ -50,6 +53,9 @@ struct cpu_operations { int (*cpu_disable)(unsigned int cpu); void (*cpu_die)(unsigned int cpu); #endif +#ifdef CONFIG_ARM64_CPU_SUSPEND + int (*cpu_suspend)(unsigned long); +#endif }; extern const struct cpu_operations *cpu_ops[NR_CPUS]; |