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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/dma.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/dma.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath5k/dma.c b/drivers/net/wireless/ath/ath5k/dma.c
index ba200b24be64..e6c52f7c26e7 100644
--- a/drivers/net/wireless/ath/ath5k/dma.c
+++ b/drivers/net/wireless/ath/ath5k/dma.c
@@ -616,7 +616,16 @@ ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
* SISRs will also clear PISR so no need to worry here.
*/
- pisr_clear = pisr & ~AR5K_ISR_BITS_FROM_SISRS;
+ /* XXX: There seems to be an issue on some cards
+ * with tx interrupt flags not being updated
+ * on PISR despite that all Tx interrupt bits
+ * are cleared on SISRs. Since we handle all
+ * Tx queues all together it shouldn't be an
+ * issue if we clear Tx interrupt flags also
+ * on PISR to avoid that.
+ */
+ pisr_clear = (pisr & ~AR5K_ISR_BITS_FROM_SISRS) |
+ (pisr & AR5K_INT_TX_ALL);
/*
* Write to clear them...
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