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authorBoris BREZILLON <boris.brezillon@free-electrons.com>2014-06-06 14:36:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-06 16:08:08 -0700
commit9dcc87fec8947308e0111c65dcd881e6aa5b1673 (patch)
tree6bcbad03da392aea8b11dcf4c4947744e6138698 /mm/sparse.c
parent2fe121e1f5aa3bf31b418a9790db6c400e922291 (diff)
ARM: at91: fix at91_sysirq_mask_rtc for sam9x5 SoCs
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>
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