diff options
Diffstat (limited to 'arch/arm/include/asm/mcpm.h')
| -rw-r--r-- | arch/arm/include/asm/mcpm.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/arm/include/asm/mcpm.h b/arch/arm/include/asm/mcpm.h index 608516ebabf..d9702eb0b02 100644 --- a/arch/arm/include/asm/mcpm.h +++ b/arch/arm/include/asm/mcpm.h @@ -54,6 +54,13 @@ void mcpm_set_early_poke(unsigned cpu, unsigned cluster, */ /** + * mcpm_is_available - returns whether MCPM is initialized and available + * + * This returns true or false accordingly. + */ +bool mcpm_is_available(void); + +/** * mcpm_cpu_power_up - make given CPU in given cluster runable * * @cpu: CPU number within given cluster @@ -91,14 +98,14 @@ int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster); * previously in which case the caller should take appropriate action. * * On success, the CPU is not guaranteed to be truly halted until - * mcpm_cpu_power_down_finish() subsequently returns non-zero for the + * mcpm_wait_for_cpu_powerdown() subsequently returns non-zero for the * specified cpu. Until then, other CPUs should make sure they do not * trash memory the target CPU might be executing/accessing. */ void mcpm_cpu_power_down(void); /** - * mcpm_cpu_power_down_finish - wait for a specified CPU to halt, and + * mcpm_wait_for_cpu_powerdown - wait for a specified CPU to halt, and * make sure it is powered off * * @cpu: CPU number within given cluster @@ -120,7 +127,7 @@ void mcpm_cpu_power_down(void); * - zero if the CPU is in a safely parked state * - nonzero otherwise (e.g., timeout) */ -int mcpm_cpu_power_down_finish(unsigned int cpu, unsigned int cluster); +int mcpm_wait_for_cpu_powerdown(unsigned int cpu, unsigned int cluster); /** * mcpm_cpu_suspend - bring the calling CPU in a suspended state @@ -164,7 +171,7 @@ int mcpm_cpu_powered_up(void); struct mcpm_platform_ops { int (*power_up)(unsigned int cpu, unsigned int cluster); void (*power_down)(void); - int (*power_down_finish)(unsigned int cpu, unsigned int cluster); + int (*wait_for_powerdown)(unsigned int cpu, unsigned int cluster); void (*suspend)(u64); void (*powered_up)(void); }; |