Hi, On Thu, Oct 09, 2014 at 09:06:30PM +0200, Johan Hovold wrote: > Make sure to restore local irq state when reading the timer/calendar > (TC) registers, so that omap_rtc_read_time() can be called with > interrupts disabled. > > Signed-off-by: Johan Hovold <[email protected]> > --- > drivers/rtc/rtc-omap.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c > index 0ef016553a97..62e2e9a9887a 100644 > --- a/drivers/rtc/rtc-omap.c > +++ b/drivers/rtc/rtc-omap.c > @@ -239,8 +239,10 @@ static void bcd2tm(struct rtc_time *tm) > > static int omap_rtc_read_time(struct device *dev, struct rtc_time *tm) > { > + unsigned long flags; > + > /* we don't report wday/yday/isdst ... */ > - local_irq_disable(); > + local_irq_save(flags);
you should really convert these to a real spin_lock_irq*(), that's because local_irq* do not get re-written with RT patchset, so this pretty much "breaks" RT. -- balbi
signature.asc
Description: Digital signature
