ARM: LPC32xx: irq.c: Clear latched event
This patch fixes the wakeup disable function by clearing latched events.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Cc: stable@vger.kernel.org
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index d3bf9c1..c74de01 100644
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -309,9 +309,18 @@
if (state)
eventreg |= lpc32xx_events[d->irq].mask;
- else
+ else {
eventreg &= ~lpc32xx_events[d->irq].mask;
+ /*
+ * When disabling the wakeup, clear the latched
+ * event
+ */
+ __raw_writel(lpc32xx_events[d->irq].mask,
+ lpc32xx_events[d->irq].
+ event_group->rawstat_reg);
+ }
+
__raw_writel(eventreg,
lpc32xx_events[d->irq].event_group->enab_reg);