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Commit 70249816 authored by Ivo van Doorn's avatar Ivo van Doorn Committed by John W. Linville
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rt2x00: Removed unused descriptor read in txdone 



rt2x00usb doesn't need the TX descriptor in the TX done path.

Signed-off-by: default avatarIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 772a249d

drivers/net/wireless/rt2x00/rt2x00usb.c

+0 −4
Original line number Original line Diff line number Diff line
@@ -130,16 +130,12 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb) 
	struct queue_entry *entry = (struct queue_entry *)urb->context;

	struct queue_entry *entry = (struct queue_entry *)urb->context;

	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;

	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;

	struct txdone_entry_desc txdesc;

	struct txdone_entry_desc txdesc;

	__le32 *txd = (__le32 *)entry->skb->data;

	enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);

	enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);

	u32 word;





	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||

	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||

	    !__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))

	    !__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))

		return;

		return;





	rt2x00_desc_read(txd, 0, &word);



	/*

	/*

	 * Remove the descriptor data from the buffer.

	 * Remove the descriptor data from the buffer.

	 */

	 */