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authorBoris BREZILLON <boris.brezillon@free-electrons.com>2014-06-06 14:36:11 -0700
committerJiri Slaby <jslaby@suse.cz>2014-06-23 10:28:06 +0200
commit8d8a2761521c01f70f79fdc69d8209f98ecd9458 (patch)
tree2b782ad65ce826d6b8519c5b5fa03ac5e4a5f3ee /init
parent0067390aaa904826fbc3fa4b0ee2bcd01ac3b7e9 (diff)
ARM: at91: fix at91_sysirq_mask_rtc for sam9x5 SoCs
commit 9dcc87fec8947308e0111c65dcd881e6aa5b1673 upstream. sam9x5 SoCs have the following errata: "RTC: Interrupt Mask Register cannot be used Interrupt Mask Register read always returns 0." Hence we should not rely on what IMR claims about already masked IRQs and just disable all IRQs. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Reported-by: Bryan Evenson <bevenson@melinkcorp.com> Reviewed-by: Johan Hovold <johan@hovold.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Bryan Evenson <bevenson@melinkcorp.com> Cc: Andrew Victor <linux@maxim.org.za> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Mark Roszko <mark.roszko@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
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