Commit-ID: ac34ad27fc160b5bd31c731cdaaf6e1d1890ccb2 Gitweb: http://git.kernel.org/tip/ac34ad27fc160b5bd31c731cdaaf6e1d1890ccb2 Author: Alexandre Belloni <[email protected]> AuthorDate: Fri, 16 Jan 2015 10:05:51 +0100 Committer: Thomas Gleixner <[email protected]> CommitDate: Wed, 27 May 2015 01:03:38 +0200
clockevents: Do not suspend/resume if unused There is no point in calling suspend/resume for unused clockevents as they are already stopped and disabled. This is really important for AT91 as the hardware is a trainwreck and takes ages to synchronize. Reported-by: Sylvain Rochet <[email protected]> Signed-off-by: Alexandre Belloni <[email protected]> Cc: Daniel Lezcano <[email protected]> Cc: Nicolas Ferre <[email protected]> Cc: Boris Brezillon <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/1421399151-26800-1-git-send-email-alexandre.bell...@free-electrons.com Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/time/clockevents.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 4922f1b..2a5c369 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -638,7 +638,7 @@ void clockevents_suspend(void) struct clock_event_device *dev; list_for_each_entry_reverse(dev, &clockevent_devices, list) - if (dev->suspend) + if (dev->suspend && dev->mode != CLOCK_EVT_MODE_UNUSED) dev->suspend(dev); } @@ -650,7 +650,7 @@ void clockevents_resume(void) struct clock_event_device *dev; list_for_each_entry(dev, &clockevent_devices, list) - if (dev->resume) + if (dev->resume && dev->mode != CLOCK_EVT_MODE_UNUSED) dev->resume(dev); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
