rtc-at91sam9 fixes

Updates to the at91sam9 rtt-as-rtc driver:

 - Bugfix:  IRQ enable bits need shifting before masking with status
 - Platform code to initialize wakeup bits didn't get merged; cope

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Justin Waters <justin.waters@timesys.com>
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>

diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index bbf10ecf416cb1330415280cb8961bf7a5398ace..56728a2a3385f84b8ac9dffe35f9501066a58a7a 100644 (file)
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -274,7 +274,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc)
         * SR clears it, so we must only read it in this irq handler!
         */
        mr = rtt_readl(rtc, MR) & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN);
-       sr = rtt_readl(rtc, SR) & mr;
+       sr = rtt_readl(rtc, SR) & (mr >> 16);
        if (!sr)
                return IRQ_NONE;
 
@@ -321,6 +321,10 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
        if (!rtc)
                return -ENOMEM;
 
+       /* platform setup code should have handled this; sigh */
+       if (!device_can_wakeup(&pdev->dev))
+               device_init_wakeup(&pdev->dev, 1);
+
        platform_set_drvdata(pdev, rtc);
        rtc->rtt = (void __force __iomem *) (AT91_VA_BASE_SYS - AT91_BASE_SYS);
        rtc->rtt += r->start;