ath9k: fix a crash bug and a dma sync issue

SVN-Revision: 20833

package/mac80211/patches/300-ar9300_support.patch

@@ -36567,7 +36567,7 @@ index 3c4b5d2..f10bd06 100644
  		/* set one try for probe rates. For the
  		 * probes don't enable rts */
 diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
-index 94560e2..9c01c0b 100644
+index 94560e2..f84fcf0 100644
 --- a/drivers/net/wireless/ath/ath9k/recv.c
 +++ b/drivers/net/wireless/ath/ath9k/recv.c
 @@ -16,6 +16,8 @@
@@ -36612,7 +36612,7 @@ index 94560e2..9c01c0b 100644
 +
 +	ATH_RXBUF_RESET(bf);
 +	memset(skb->data, 0, ah->caps.rx_status_len);
-+	dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
++	dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
 +				ah->caps.rx_status_len, DMA_TO_DEVICE);
  
 -	/* Initialize rx descriptors */
@@ -37061,7 +37061,7 @@ index 94560e2..9c01c0b 100644
 +	 * 1. accessing the frame
 +	 * 2. requeueing the same buffer to h/w
 +	 */
-+	dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
++	dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
 +			common->rx_bufsize,
 +			DMA_FROM_DEVICE);
 +

package/mac80211/patches/560-ath9k_tx_buf_return_cleanup.patch

@@ -94,8 +94,12 @@
  
  		return r;
  	}
-@@ -2123,11 +2121,8 @@ static void ath_tx_processq(struct ath_s
+@@ -2121,13 +2119,12 @@ static void ath_tx_processq(struct ath_s
+ 		txq->axq_depth--;
+ 		txok = !(ts.ts_status & ATH9K_TXERR_MASK);
  		txq->axq_tx_inprogress = false;
++		if (bf_held)
++			list_del(&bf_held->list);
  		spin_unlock_bh(&txq->axq_lock);
  
 -		if (bf_held) {