All the RTC suspend and resume functions are to compensate the sleep time, but this is already done in timekeeping.c if persistent clock exist.
Cc: Thomas Gleixner <[email protected]> Cc: John Stultz <[email protected]> Cc: Alessandro Zummo <[email protected]> Cc: Arve Hjønnevåg <[email protected]> Signed-off-by: Feng Tang <[email protected]> --- drivers/rtc/class.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index f8a0aab..bf4c6d3 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -50,6 +50,10 @@ static int rtc_suspend(struct device *dev, pm_message_t mesg) struct rtc_device *rtc = to_rtc_device(dev); struct rtc_time tm; struct timespec delta, delta_delta; + + if (persistent_clock_exist) + return 0; + if (strcmp(dev_name(&rtc->dev), CONFIG_RTC_HCTOSYS_DEVICE) != 0) return 0; @@ -88,6 +92,9 @@ static int rtc_resume(struct device *dev) struct timespec new_system, new_rtc; struct timespec sleep_time; + if (persistent_clock_exist) + return 0; + rtc_hctosys_ret = -ENODEV; if (strcmp(dev_name(&rtc->dev), CONFIG_RTC_HCTOSYS_DEVICE) != 0) return 0; -- 1.7.9.5 -- 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/
