rt2x00: Move rt2800_txdone and rt2800_txdone_entry_check to rt2800usb.

BugLink: http://bugs.launchpad.net/bugs/842955

These two functions are only used by rt2800usb so they don't have to be
in rt2800lib.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
(cherry picked from commit 8f66bbb5248c59b69b521b35e097ffa6cad07f01)

Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

3 files changed, 82 insertions, 84 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 5a4522860a4..bbdff971dce 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -600,49 +600,6 @@ void rt2800_process_rxwi(struct queue_entry *entry,
 }
 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
 
-static bool rt2800_txdone_entry_check(struct queue_entry *entry, u32 reg)
-{
-	__le32 *txwi;
-	u32 word;
-	int wcid, ack, pid;
-	int tx_wcid, tx_ack, tx_pid;
-
-	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
-	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
-	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
-
-	/*
-	 * This frames has returned with an IO error,
-	 * so the status report is not intended for this
-	 * frame.
-	 */
-	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
-		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
-		return false;
-	}
-
-	/*
-	 * Validate if this TX status report is intended for
-	 * this entry by comparing the WCID/ACK/PID fields.
-	 */
-	txwi = rt2800_drv_get_txwi(entry);
-
-	rt2x00_desc_read(txwi, 1, &word);
-	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
-	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
-	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
-
-	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
-		WARNING(entry->queue->rt2x00dev,
-			"TX status report missed for queue %d entry %d\n",
-		entry->queue->qid, entry->entry_idx);
-		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
-		return false;
-	}
-
-	return true;
-}
-
 void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
@@ -725,45 +682,6 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
 }
 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
 
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue;
-	struct queue_entry *entry;
-	u32 reg;
-	u8 qid;
-
-	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
-
-		/* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
-		 * qid is guaranteed to be one of the TX QIDs
-		 */
-		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
-		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
-		if (unlikely(!queue)) {
-			WARNING(rt2x00dev, "Got TX status for an unavailable "
-					   "queue %u, dropping\n", qid);
-			continue;
-		}
-
-		/*
-		 * Inside each queue, we process each entry in a chronological
-		 * order. We first check that the queue is not empty.
-		 */
-		entry = NULL;
-		while (!rt2x00queue_empty(queue)) {
-			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
-			if (rt2800_txdone_entry_check(entry, reg))
-				break;
-		}
-
-		if (!entry || rt2x00queue_empty(queue))
-			break;
-
-		rt2800_txdone_entry(entry, reg);
-	}
-}
-EXPORT_SYMBOL_GPL(rt2800_txdone);
-
 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index f2d15941c71..69deb3148ae 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -152,7 +152,6 @@ void rt2800_write_tx_data(struct queue_entry *entry,
 			  struct txentry_desc *txdesc);
 void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *txdesc);
 
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev);
 void rt2800_txdone_entry(struct queue_entry *entry, u32 status);
 
 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc);
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index ba82c972703..6e9229830a2 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -457,6 +457,87 @@ static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 /*
  * TX control handlers
  */
+static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
+{
+	__le32 *txwi;
+	u32 word;
+	int wcid, ack, pid;
+	int tx_wcid, tx_ack, tx_pid;
+
+	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
+	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
+	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
+
+	/*
+	 * This frames has returned with an IO error,
+	 * so the status report is not intended for this
+	 * frame.
+	 */
+	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
+		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
+		return false;
+	}
+
+	/*
+	 * Validate if this TX status report is intended for
+	 * this entry by comparing the WCID/ACK/PID fields.
+	 */
+	txwi = rt2800usb_get_txwi(entry);
+
+	rt2x00_desc_read(txwi, 1, &word);
+	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
+	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
+	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
+
+	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
+		WARNING(entry->queue->rt2x00dev,
+			"TX status report missed for queue %d entry %d\n",
+		entry->queue->qid, entry->entry_idx);
+		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
+		return false;
+	}
+
+	return true;
+}
+
+static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	struct queue_entry *entry;
+	u32 reg;
+	u8 qid;
+
+	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
+
+		/* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
+		 * qid is guaranteed to be one of the TX QIDs
+		 */
+		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
+		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
+		if (unlikely(!queue)) {
+			WARNING(rt2x00dev, "Got TX status for an unavailable "
+					   "queue %u, dropping\n", qid);
+			continue;
+		}
+
+		/*
+		 * Inside each queue, we process each entry in a chronological
+		 * order. We first check that the queue is not empty.
+		 */
+		entry = NULL;
+		while (!rt2x00queue_empty(queue)) {
+			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+			if (rt2800usb_txdone_entry_check(entry, reg))
+				break;
+		}
+
+		if (!entry || rt2x00queue_empty(queue))
+			break;
+
+		rt2800_txdone_entry(entry, reg);
+	}
+}
+
 static void rt2800usb_work_txdone(struct work_struct *work)
 {
 	struct rt2x00_dev *rt2x00dev =
@@ -464,7 +545,7 @@ static void rt2800usb_work_txdone(struct work_struct *work)
 	struct data_queue *queue;
 	struct queue_entry *entry;
 
-	rt2800_txdone(rt2x00dev);
+	rt2800usb_txdone(rt2x00dev);
 
 	/*
 	 * Process any trailing TX status reports for IO failures,