diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2012-01-10 19:26:45 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2012-03-13 13:27:50 +0000 |
| commit | 0ef330e10dcdbca8f4566e9eaf77015f8ce039d3 (patch) | |
| tree | b6adfb473921a37bf73372dd3dfec23a1e450d67 /arch/arm/include/asm/localtimer.h | |
| parent | abde710ca8776f851e41c3dfe78ad7dcafa26dc9 (diff) | |
| download | linux-0ef330e10dcdbca8f4566e9eaf77015f8ce039d3.tar.bz2 | |
ARM: local timers: introduce a new registration interface
In order to switch to a runtime selectable local timer,
add a registration interface that timer drivers can use to
register to the core.
local_timer_setup() and local_timer_stop() are made weak symbols
in order not to break existing setups.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/include/asm/localtimer.h')
| -rw-r--r-- | arch/arm/include/asm/localtimer.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h index 7e1b2c5f7d17..f088d63b92c7 100644 --- a/arch/arm/include/asm/localtimer.h +++ b/arch/arm/include/asm/localtimer.h @@ -15,6 +15,11 @@ struct clock_event_device; +struct local_timer_ops { + int (*setup)(struct clock_event_device *); + void (*stop)(struct clock_event_device *); +}; + /* * Setup a per-cpu timer, whether it be a local timer or dummy broadcast */ @@ -38,6 +43,11 @@ void local_timer_stop(struct clock_event_device *); */ int local_timer_setup(struct clock_event_device *); +/* + * Register a local timer driver + */ +int local_timer_register(struct local_timer_ops *); + #else static inline int local_timer_setup(struct clock_event_device *evt) @@ -48,6 +58,11 @@ static inline int local_timer_setup(struct clock_event_device *evt) static inline void local_timer_stop(struct clock_event_device *evt) { } + +static inline int local_timer_register(struct local_timer_ops *ops) +{ + return -ENXIO; +} #endif #endif |