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| author | Michal Marek <mmarek@suse.cz> | 2010-08-04 14:05:07 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-04 14:05:07 +0200 |
| commit | 7a996d3ab150bb0e1b71fa182f70199a703efdd1 (patch) | |
| tree | 96a36947d90c9b96580899abd38cb3b70cd9d40b /include/linux/clocksource.h | |
| parent | 7cf3d73b4360e91b14326632ab1aeda4cb26308d (diff) | |
| parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) | |
| download | linux-7a996d3ab150bb0e1b71fa182f70199a703efdd1.tar.gz linux-7a996d3ab150bb0e1b71fa182f70199a703efdd1.tar.bz2 linux-7a996d3ab150bb0e1b71fa182f70199a703efdd1.zip | |
Merge commit 'v2.6.35' into kbuild/kconfig
Conflicts:
scripts/kconfig/Makefile
Diffstat (limited to 'include/linux/clocksource.h')
| -rw-r--r-- | include/linux/clocksource.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 8a4a130cc196..5ea3c60c160c 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -154,6 +154,7 @@ extern u64 timecounter_cyc2time(struct timecounter *tc, * @max_idle_ns: max idle time permitted by the clocksource (nsecs) * @flags: flags describing special properties * @vread: vsyscall based read + * @suspend: suspend function for the clocksource, if necessary * @resume: resume function for the clocksource, if necessary */ struct clocksource { @@ -172,7 +173,8 @@ struct clocksource { u64 max_idle_ns; unsigned long flags; cycle_t (*vread)(void); - void (*resume)(void); + void (*suspend)(struct clocksource *cs); + void (*resume)(struct clocksource *cs); #ifdef CONFIG_IA64 void *fsys_mmio; /* used by fsyscall asm code */ #define CLKSRC_FSYS_MMIO_SET(mmio, addr) ((mmio) = (addr)) @@ -271,12 +273,12 @@ static inline s64 clocksource_cyc2ns(cycle_t cycles, u32 mult, u32 shift) } -/* used to install a new clocksource */ extern int clocksource_register(struct clocksource*); extern void clocksource_unregister(struct clocksource*); extern void clocksource_touch_watchdog(void); extern struct clocksource* clocksource_get_next(void); extern void clocksource_change_rating(struct clocksource *cs, int rating); +extern void clocksource_suspend(void); extern void clocksource_resume(void); extern struct clocksource * __init __weak clocksource_default_clock(void); extern void clocksource_mark_unstable(struct clocksource *cs); @@ -284,6 +286,24 @@ extern void clocksource_mark_unstable(struct clocksource *cs); extern void clocks_calc_mult_shift(u32 *mult, u32 *shift, u32 from, u32 to, u32 minsec); +/* + * Don't call __clocksource_register_scale directly, use + * clocksource_register_hz/khz + */ +extern int +__clocksource_register_scale(struct clocksource *cs, u32 scale, u32 freq); + +static inline int clocksource_register_hz(struct clocksource *cs, u32 hz) +{ + return __clocksource_register_scale(cs, 1, hz); +} + +static inline int clocksource_register_khz(struct clocksource *cs, u32 khz) +{ + return __clocksource_register_scale(cs, 1000, khz); +} + + static inline void clocksource_calc_mult_shift(struct clocksource *cs, u32 freq, u32 minsec) { |