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authorJohan Hovold <jhovold@gmail.com>2013-11-21 14:32:04 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-21 16:42:27 -0800
commit51a0d036f995585e8c5c30797d5bce28645d9dd7 (patch)
tree495840007f4eb4b9ef5bcd6e879257192cd1076d /block/partitions
parent27c73ae759774e63313c1fbfeb17ba076cea64c5 (diff)
downloadlinux-0-day-51a0d036f995585e8c5c30797d5bce28645d9dd7.tar.gz
ARM: drivers/rtc/rtc-at91rm9200.c: disable interrupts at shutdown
Make sure RTC-interrupts are disabled at shutdown. As the RTC is generally powered by backup power (VDDBU), its interrupts are not disabled on wake-up, user, watchdog or software reset. This could cause troubles on other systems (e.g. older kernels) if an interrupt occurs before a handler has been installed at next boot. Let us be well-behaved and disable them on clean shutdowns at least (as do the RTT-based rtc-at91sam9 driver). Signed-off-by: Johan Hovold <jhovold@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Cc: Andrew Victor <linux@maxim.org.za> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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