linux-kernel - [PATCH v2 06/15] staging: rtl8192e: Remove rtllib_wake

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Message-Id: <1434395170-13903-7-git-send-email-mateusz.kulikowski@gmail.com>
Date:	Mon, 15 Jun 2015 21:06:01 +0200
From:	Mateusz Kulikowski <mateusz.kulikowski@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	Mateusz Kulikowski <mateusz.kulikowski@...il.com>,
	sudipm.mukherjee@...il.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 06/15] staging: rtl8192e: Remove rtllib_wake_queue()

This function was declared but never unused.
Also remove dequeue_mgmt() and rtllib_resume_tx() that are
no longer used.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@...il.com>
---
 drivers/staging/rtl8192e/rtllib.h         |  1 -
 drivers/staging/rtl8192e/rtllib_softmac.c | 80 -------------------------------
 2 files changed, 81 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index 2931733..b4eb24e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -2219,7 +2219,6 @@ extern void rtllib_softmac_start_protocol(struct rtllib_device *ieee,
 					  u8 mesh_flag);
 
 extern void rtllib_reset_queue(struct rtllib_device *ieee);
-extern void rtllib_wake_queue(struct rtllib_device *ieee);
 extern void rtllib_wake_all_queues(struct rtllib_device *ieee);
 extern void rtllib_stop_all_queues(struct rtllib_device *ieee);
 extern struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 95e739e..a123772 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -147,21 +147,6 @@ static void enqueue_mgmt(struct rtllib_device *ieee, struct sk_buff *skb)
 
 }
 
-static struct sk_buff *dequeue_mgmt(struct rtllib_device *ieee)
-{
-	struct sk_buff *ret;
-
-	if (ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
-		return NULL;
-
-	ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
-
-	ieee->mgmt_queue_tail =
-		(ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM;
-
-	return ret;
-}
-
 static void init_mgmt_queue(struct rtllib_device *ieee)
 {
 	ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
@@ -2532,30 +2517,6 @@ void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee)
 
 }
 
-/* called with ieee->lock acquired */
-static void rtllib_resume_tx(struct rtllib_device *ieee)
-{
-	int i;
-
-	for (i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags;
-	     i++) {
-
-		if (ieee->queue_stop) {
-			ieee->tx_pending.frag = i;
-			return;
-		}
-
-		ieee->softmac_data_hard_start_xmit(
-			ieee->tx_pending.txb->fragments[i],
-			ieee->dev, ieee->rate);
-		ieee->stats.tx_packets++;
-	}
-
-	rtllib_txb_free(ieee->tx_pending.txb);
-	ieee->tx_pending.txb = NULL;
-}
-
-
 void rtllib_reset_queue(struct rtllib_device *ieee)
 {
 	unsigned long flags;
@@ -2572,47 +2533,6 @@ void rtllib_reset_queue(struct rtllib_device *ieee)
 }
 EXPORT_SYMBOL(rtllib_reset_queue);
 
-void rtllib_wake_queue(struct rtllib_device *ieee)
-{
-
-	unsigned long flags;
-	struct sk_buff *skb;
-	struct rtllib_hdr_3addr  *header;
-
-	spin_lock_irqsave(&ieee->lock, flags);
-	if (!ieee->queue_stop)
-		goto exit;
-
-	ieee->queue_stop = 0;
-
-	if (ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) {
-		while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))) {
-
-			header = (struct rtllib_hdr_3addr  *) skb->data;
-
-			header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
-
-			if (ieee->seq_ctrl[0] == 0xFFF)
-				ieee->seq_ctrl[0] = 0;
-			else
-				ieee->seq_ctrl[0]++;
-
-			ieee->softmac_data_hard_start_xmit(skb, ieee->dev,
-							   ieee->basic_rate);
-		}
-	}
-	if (!ieee->queue_stop && ieee->tx_pending.txb)
-		rtllib_resume_tx(ieee);
-
-	if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)) {
-		ieee->softmac_stats.swtxawake++;
-		netif_wake_queue(ieee->dev);
-	}
-
-exit:
-	spin_unlock_irqrestore(&ieee->lock, flags);
-}
-
 void rtllib_stop_all_queues(struct rtllib_device *ieee)
 {
 	unsigned int i;
-- 
1.8.4.1

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