lkml.org 
[lkml]   [2013]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RFC PATCH 2/5] clocksource: Add new feature flag CLOCK_SOURCE_SUSPEND_NOTSTOP
    Date
    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


    \
     
     \ /
      Last update: 2013-01-21 08:21    [W:3.174 / U:0.828 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site