Commit-ID: fe79a9ba11962a603fb6af68fcb476e64031e46c Gitweb: http://git.kernel.org/tip/fe79a9ba11962a603fb6af68fcb476e64031e46c Author: Soren Brinkmann <[email protected]> AuthorDate: Mon, 3 Feb 2014 14:34:32 -0800 Committer: Thomas Gleixner <[email protected]> CommitDate: Fri, 7 Feb 2014 15:34:29 +0100
clockevents: Adjust timer interval when frequency changes clockevent devices in periodic mode are not updated when the frequency of the device changes. Issue a dev->set_mode() callback which forces the device to reevaluate the timer settings. Signed-off-by: Soren Brinkmann <[email protected]> Cc: [email protected] Cc: Daniel Lezcano <[email protected]> Cc: Michal Simek <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- kernel/time/clockevents.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c index 641d910..f85e5fd 100644 --- a/kernel/time/clockevents.c +++ b/kernel/time/clockevents.c @@ -443,10 +443,13 @@ int __clockevents_update_freq(struct clock_event_device *dev, u32 freq) { clockevents_config(dev, freq); - if (dev->mode != CLOCK_EVT_MODE_ONESHOT) - return 0; + if (dev->mode == CLOCK_EVT_MODE_ONESHOT) + return clockevents_program_event(dev, dev->next_event, false); + + if (dev->mode == CLOCK_EVT_MODE_PERIODIC) + dev->set_mode(CLOCK_EVT_MODE_PERIODIC, dev); - return clockevents_program_event(dev, dev->next_event, false); + return 0; } /** -- 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/
