summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath9k/mac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index c3af61e38bd5..0f90e1521ffe 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -800,6 +800,11 @@ void ath9k_hw_disable_interrupts(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
+ if (!(ah->imask & ATH9K_INT_GLOBAL))
+ atomic_set(&ah->intr_ref_cnt, -1);
+ else
+ atomic_dec(&ah->intr_ref_cnt);
+
ath_dbg(common, ATH_DBG_INTERRUPT, "disable IER\n");
REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
(void) REG_READ(ah, AR_IER);
@@ -821,6 +826,13 @@ void ath9k_hw_enable_interrupts(struct ath_hw *ah)
if (!(ah->imask & ATH9K_INT_GLOBAL))
return;
+ if (!atomic_inc_and_test(&ah->intr_ref_cnt)) {
+ ath_dbg(common, ATH_DBG_INTERRUPT,
+ "Do not enable IER ref count %d\n",
+ atomic_read(&ah->intr_ref_cnt));
+ return;
+ }
+
if (AR_SREV_9340(ah))
sync_default &= ~AR_INTR_SYNC_HOST1_FATAL;
@@ -852,7 +864,6 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
ath_dbg(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
- /* TODO: global int Ref count */
mask = ints & ATH9K_INT_COMMON;
mask2 = 0;