From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexandre.belloni@free-electrons.com (Alexandre Belloni) Date: Fri, 16 Jan 2015 17:57:19 +0100 Subject: [PATCH v2 2/2] clocksource: don't suspend/resume when unused In-Reply-To: <1421427439-11699-1-git-send-email-alexandre.belloni@free-electrons.com> References: <1421427439-11699-1-git-send-email-alexandre.belloni@free-electrons.com> Message-ID: <1421427439-11699-3-git-send-email-alexandre.belloni@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org There is no point in calling suspend/resume for unused clocksources. Signed-off-by: Alexandre Belloni --- 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 03cfc5a08e3b..da65b3b73a86 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