ath9k_htc: Simplify RX URB management

This patch introduces the usage of URB anchors,
thus reducing a large amount of code dealing with
URB maintenance within the driver. The RX callback now
takes care of freeing the SKB associated with each URB.

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

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
index 7cc3762a6789..ea9257bdc411 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -85,18 +85,15 @@ struct hif_device_usb {
         struct usb_interface *interface;
         const struct firmware *firmware;
         struct htc_target *htc_handle;
-        u8 flags;
-
         struct hif_usb_tx tx;
-
-        struct urb *wlan_rx_data_urb[MAX_RX_URB_NUM];
         struct urb *reg_in_urb;
-
+        struct usb_anchor rx_submitted;
         struct sk_buff *remain_skb;
         int rx_remain_len;
         int rx_pkt_len;
         int rx_transfer_len;
         int rx_pad_len;
+        u8 flags; /* HIF_USB_* */
 };
 
 int ath9k_hif_usb_init(void);