[AVR32] Implement intc_get_pending()

intc_get_pending() returns a bitmask with pending interrupts in a
interrupt controller group (irq). This is used by the upcoming
oprofile implementation for avr32 and may also be useful for chained
interrupt controller drivers.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index eb87a18ad7b2..dd5c009cf224 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -136,3 +136,7 @@ fail:
         panic("Interrupt controller initialization failed!\n");
 }
 
+unsigned long intc_get_pending(int group)
+{
+        return intc_readl(&intc0, INTREQ0 + 4 * group);
+}