ath9k: Add a debugfs file to show interrupt statistics

Location: ath9k/<phy>/interrupt

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index ade92d518d52..272f806f70cb 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -598,6 +598,8 @@ static irqreturn_t ath_isr(int irq, void *dev)
                 }
         } while (0);
 
+        ath_debug_stat_interrupt(sc, status);
+
         if (sched) {
                 /* turn off every interrupt except SWBA */
                 ath9k_hw_set_interrupts(ah, (sc->sc_imask & ATH9K_INT_SWBA));