[RFC PATCH v2 2/4] clocksource: Add new feature flag CLOCK_SOURCE_SUSPEND_NOTSTOP

Feng Tang
2013-03-05T02:28:39Z

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 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 27cfda4..5dee330 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)
--
1.7.0.4