Messages in this thread Patch in this message | | | From | Feng Tang <> | Subject | [PATCH v4 2/4] clocksource: Add new feature flag CLOCK_SOURCE_SUSPEND_NONSTOP | Date | Tue, 12 Mar 2013 11:56:46 +0800 |
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Some x86 processors have a TSC clocksource, which continues to run even when system is suspended. Also most OMAP platforms have a 32 KHz timer which has similar capability. 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 27cfda4..aa7032c 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_NONSTOP 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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