Messages in this thread Patch in this message | | | From | Feng Tang <> | Subject | [RFC PATCH 2/5] clocksource: Add new feature flag CLOCK_SOURCE_SUSPEND_NOTSTOP | Date | Mon, 21 Jan 2013 14:38:42 +0800 |
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Some x86 processors have a TSC clocksource, which continue to work when system is suspend. Add a feature flag so that it could be utilized.
Signed-off-by: Feng Tang <feng.tang@intel.com> --- include/linux/clocksource.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 4dceaf8..2d53a8a 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -206,6 +206,7 @@ struct clocksource { #define CLOCK_SOURCE_WATCHDOG 0x10 #define CLOCK_SOURCE_VALID_FOR_HRES 0x20 #define CLOCK_SOURCE_UNSTABLE 0x40 +#define CLOCK_SOURCE_SUSPEND_NOTSTOP 0x80 /* simplify initialization of mask field */ #define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1) -- 1.7.9.5
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