linux-kernel - [PATCH] net: wireless: rtlwifi: rtl8192ee: trx.c: Remove unused function

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Message-Id: <1419079694-32476-1-git-send-email-rickard_strandqvist@spectrumdigital.se>
Date:	Sat, 20 Dec 2014 13:48:14 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Larry Finger <Larry.Finger@...inger.net>,
	Chaoming Li <chaoming_li@...lsil.com.cn>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	"John W. Linville" <linville@...driver.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Joe Perches <joe@...ches.com>, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: wireless: rtlwifi: rtl8192ee: trx.c:  Remove unused function

Remove the function rtl92ee_get_available_desc() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/net/wireless/rtlwifi/rtl8192ee/trx.c |   21 ---------------------
 drivers/net/wireless/rtlwifi/rtl8192ee/trx.h |    1 -
 2 files changed, 22 deletions(-)

diff --git a/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c
index 2fcbef1..8186ed2 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ee/trx.c
@@ -710,27 +710,6 @@ static u16 get_desc_addr_fr_q_idx(u16 queue_index)
 	return desc_address;
 }
 
-void rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 q_idx)
-{
-	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	u16 point_diff = 0;
-	u16 current_tx_read_point = 0, current_tx_write_point = 0;
-	u32 tmp_4byte;
-
-	tmp_4byte = rtl_read_dword(rtlpriv,
-				   get_desc_addr_fr_q_idx(q_idx));
-	current_tx_read_point = (u16)((tmp_4byte >> 16) & 0x0fff);
-	current_tx_write_point = (u16)((tmp_4byte) & 0x0fff);
-
-	point_diff = ((current_tx_read_point > current_tx_write_point) ?
-		      (current_tx_read_point - current_tx_write_point) :
-		      (TX_DESC_NUM_92E - current_tx_write_point +
-		       current_tx_read_point));
-
-	rtlpci->tx_ring[q_idx].avl_desc = point_diff;
-}
-
 void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw,
 				 u8 *tx_bd_desc, u8 *desc, u8 queue_index,
 				 struct sk_buff *skb, dma_addr_t addr)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ee/trx.h b/drivers/net/wireless/rtlwifi/rtl8192ee/trx.h
index 6f9be1c..4426c49 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ee/trx.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192ee/trx.h
@@ -829,7 +829,6 @@ void rtl92ee_rx_check_dma_ok(struct ieee80211_hw *hw, u8 *header_desc,
 			     u8 queue_index);
 u16	rtl92ee_rx_desc_buff_remained_cnt(struct ieee80211_hw *hw,
 					  u8 queue_index);
-void rtl92ee_get_available_desc(struct ieee80211_hw *hw, u8 queue_index);
 void rtl92ee_pre_fill_tx_bd_desc(struct ieee80211_hw *hw,
 				 u8 *tx_bd_desc, u8 *desc, u8 queue_index,
 				 struct sk_buff *skb, dma_addr_t addr);
-- 
1.7.10.4

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