diff options
| author | Roland Stigge <stigge@antcom.de> | 2012-02-27 17:28:02 +0100 |
|---|---|---|
| committer | Roland Stigge <stigge@antcom.de> | 2012-02-27 17:28:02 +0100 |
| commit | 94ed7830cba4dce57b18a2926b5d826bfd184bd6 (patch) | |
| tree | 19d87713e400e53237b70d03e138ad207b9b1d2b /arch/arm | |
| parent | ARM: LPC32xx: Fix interrupt controller init (diff) | |
| download | linux-94ed7830cba4dce57b18a2926b5d826bfd184bd6.tar.xz linux-94ed7830cba4dce57b18a2926b5d826bfd184bd6.zip | |
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
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-lpc32xx/irq.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c index d3bf9c11fd66..c74de01ab5b6 100644 --- a/arch/arm/mach-lpc32xx/irq.c +++ b/arch/arm/mach-lpc32xx/irq.c @@ -309,9 +309,18 @@ static int lpc32xx_irq_wake(struct irq_data *d, unsigned int state) 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); |