[PATCH 6/6] ARM: LPC32xx: irq.c: Clear latched event
From: Roland Stigge <hidden>
Date: 2012-02-11 17:18:28
This patch fixes the wakeup disable function by clearing latched events. Signed-off-by: Roland Stigge <redacted> Index: linux-2.6/arch/arm/mach-lpc32xx/irq.c ===================================================================
--- linux-2.6.orig/arch/arm/mach-lpc32xx/irq.c 2012-02-11 15:13:33.000000000 +0100
+++ linux-2.6/arch/arm/mach-lpc32xx/irq.c 2012-02-11 15:14:53.000000000 +0100@@ -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);