Messages in this thread Patch in this message | | | From | Alexandre Belloni <> | Subject | [RFC 2/2] clocksource: don't suspend/resume when unused | Date | Fri, 16 Jan 2015 10:17:54 +0100 |
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There is no point in calling suspend/resume for unused clocksources.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- kernel/time/clocksource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 920a4da58eb0..baea4e42ae90 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -493,7 +493,7 @@ void clocksource_suspend(void) struct clocksource *cs; list_for_each_entry_reverse(cs, &clocksource_list, list) - if (cs->suspend) + if (cs->suspend && (cs->flags & CLOCK_SOURCE_USED)) cs->suspend(cs); } @@ -505,7 +505,7 @@ void clocksource_resume(void) struct clocksource *cs; list_for_each_entry(cs, &clocksource_list, list) - if (cs->resume) + if (cs->resume && (cs->flags & CLOCK_SOURCE_USED)) cs->resume(cs); clocksource_resume_watchdog(); -- 2.1.0
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