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| author | Boris BREZILLON <boris.brezillon@free-electrons.com> | 2014-06-06 23:36:11 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-07 01:08:08 +0200 |
| commit | 9dcc87fec8947308e0111c65dcd881e6aa5b1673 (patch) | |
| tree | 6bcbad03da392aea8b11dcf4c4947744e6138698 /drivers/rtc | |
| parent | rtc: rtc-at91rm9200: fix infinite wait for ACKUPD irq (diff) | |
| download | linux-9dcc87fec8947308e0111c65dcd881e6aa5b1673.tar.xz linux-9dcc87fec8947308e0111c65dcd881e6aa5b1673.zip | |
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>
Diffstat (limited to 'drivers/rtc')
0 files changed, 0 insertions, 0 deletions