rtlwifi: Remove unused/unneeded variables

Remove some unused variables and correct spelling errors.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rtlwifi/base.c

@@ -432,7 +432,7 @@ static void _rtl_txrate_selectmode(struct ieee80211_hw *hw,
 	}
 
 	if (rtlpriv->dm.useramask) {
-		/* TODO we will differentiate adhoc and station futrue  */
+		/* TODO adhoc and station handled differently in the future */
 		tcb_desc->mac_id = 0;
 
 		if ((mac->mode == WIRELESS_MODE_N_24G) ||
@@ -630,7 +630,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 	const struct iphdr *ip;
 
 	if (!ieee80211_is_data(fc))
-		goto end;
+		return false;
 
 	if (ieee80211_is_nullfunc(fc))
 		return true;
@@ -686,7 +686,6 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 		return true;
 	}
 
-end:
 	return false;
 }
 

drivers/net/wireless/rtlwifi/core.c

@@ -35,7 +35,7 @@
 /*mutex for start & stop is must here. */
 static int rtl_op_start(struct ieee80211_hw *hw)
 {
-	int err = 0;
+	int err;
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
 
@@ -45,10 +45,8 @@ static int rtl_op_start(struct ieee80211_hw *hw)
 		return 0;
 	mutex_lock(&rtlpriv->locks.conf_mutex);
 	err = rtlpriv->intf_ops->adapter_start(hw);
-	if (err)
-		goto out;
-	rtl_watch_dog_timer_callback((unsigned long)hw);
-out:
+	if (!err)
+		rtl_watch_dog_timer_callback((unsigned long)hw);
 	mutex_unlock(&rtlpriv->locks.conf_mutex);
 	return err;
 }

drivers/net/wireless/rtlwifi/pci.c

@@ -113,32 +113,19 @@ static void _rtl_pci_update_default_setting(struct ieee80211_hw *hw)
 
 	/*Set HW definition to determine if it supports ASPM. */
 	switch (rtlpci->const_support_pciaspm) {
-	case 0:{
-			/*Not support ASPM. */
-			bool support_aspm = false;
-			ppsc->support_aspm = support_aspm;
-			break;
-		}
-	case 1:{
-			/*Support ASPM. */
-			bool support_aspm = true;
-			bool support_backdoor = true;
-			ppsc->support_aspm = support_aspm;
-
-			/*if(priv->oem_id == RT_CID_TOSHIBA &&
-			   !priv->ndis_adapter.amd_l1_patch)
-			   support_backdoor = false; */
-
-			ppsc->support_backdoor = support_backdoor;
-
-			break;
-		}
+	case 0:
+		/*Not support ASPM. */
+		ppsc->support_aspm = false;
+		break;
+	case 1:
+		/*Support ASPM. */
+		ppsc->support_aspm = true;
+		ppsc->support_backdoor = true;
+		break;
 	case 2:
 		/*ASPM value set by chipset. */
-		if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL) {
-			bool support_aspm = true;
-			ppsc->support_aspm = support_aspm;
-		}
+		if (pcibridge_vendor == PCI_BRIDGE_VENDOR_INTEL)
+			ppsc->support_aspm = true;
 		break;
 	default:
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
@@ -152,13 +139,11 @@ static bool _rtl_pci_platform_switch_device_pci_aspm(
 			u8 value)
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
-	bool bresult = false;
 
 	value |= 0x40;
-
 	pci_write_config_byte(rtlpci->pdev, 0x80, value);
 
-	return bresult;
+	return false;
 }
 
 /*When we set 0x01 to enable clk request. Set 0x0 to disable clk req.*/
@@ -166,14 +151,11 @@ static bool _rtl_pci_switch_clk_req(struct ieee80211_hw *hw, u8 value)
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 	u8 buffer;
-	bool bresult = false;
 
 	buffer = value;
-
 	pci_write_config_byte(rtlpci->pdev, 0x81, value);
-	bresult = true;
 
-	return bresult;
+	return true;
 }
 
 /*Disable RTL8192SE ASPM & Disable Pci Bridge ASPM*/
@@ -191,6 +173,7 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw)
 	u16 pcibridge_linkctrlreg = pcipriv->ndis_adapter.
 				pcibridge_linkctrlreg;
 	u16 aspmlevel = 0;
+	u8 tmp_u1b = 0;
 
 	if (pcibridge_vendor == PCI_BRIDGE_VENDOR_UNKNOWN) {
 		RT_TRACE(rtlpriv, COMP_POWER, DBG_TRACE,
@@ -204,11 +187,8 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw)
 		_rtl_pci_switch_clk_req(hw, 0x0);
 	}
 
-	if (1) {
-		/*for promising device will in L0 state after an I/O. */
-		u8 tmp_u1b;
-		pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b);
-	}
+	/*for promising device will in L0 state after an I/O. */
+	pci_read_config_byte(rtlpci->pdev, 0x80, &tmp_u1b);
 
 	/*Set corresponding value. */
 	aspmlevel |= BIT(0) | BIT(1);
@@ -224,7 +204,6 @@ static void rtl_pci_disable_aspm(struct ieee80211_hw *hw)
 	rtl_pci_raw_write_port_uchar(PCI_CONF_DATA, pcibridge_linkctrlreg);
 
 	udelay(50);
-
 }
 
 /*

drivers/net/wireless/rtlwifi/pci.h

@@ -192,8 +192,8 @@ struct rtl_pci {
 	u8 const_devicepci_aspm_setting;
 	/*If it supports ASPM, Offset[560h] = 0x40,
 	   otherwise Offset[560h] = 0x00. */
-	bool b_support_aspm;
-	bool b_support_backdoor;
+	bool support_aspm;
+	bool support_backdoor;
 
 	/*QOS & EDCA */
 	enum acm_method acm_method;

drivers/net/wireless/rtlwifi/ps.c

@@ -63,7 +63,6 @@ EXPORT_SYMBOL(rtl_ps_enable_nic);
 
 bool rtl_ps_disable_nic(struct ieee80211_hw *hw)
 {
-	bool status = true;
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 
 	/*<1> Stop all timer */
@@ -75,7 +74,7 @@ bool rtl_ps_disable_nic(struct ieee80211_hw *hw)
 	/*<3> Disable Adapter */
 	rtlpriv->cfg->ops->hw_disable(hw);
 
-	return status;
+	return true;
 }
 EXPORT_SYMBOL(rtl_ps_disable_nic);
 

drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c

@@ -171,7 +171,6 @@ static void _rtl92c_write_fw(struct ieee80211_hw *hw,
 static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
-	int err = -EIO;
 	u32 counter = 0;
 	u32 value32;
 
@@ -184,7 +183,7 @@ static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 			 ("chksum report faill ! REG_MCUFWDL:0x%08x .\n",
 			  value32));
-		goto exit;
+		return -EIO;
 	}
 
 	RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
@@ -204,8 +203,7 @@ static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
 				 ("Polling FW ready success!!"
 				 " REG_MCUFWDL:0x%08x .\n",
 				 value32));
-			err = 0;
-			goto exit;
+			return 0;
 		}
 
 		mdelay(FW_8192C_POLLING_DELAY);
@@ -214,9 +212,7 @@ static int _rtl92c_fw_free_to_go(struct ieee80211_hw *hw)
 
 	RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 		 ("Polling FW ready fail!! REG_MCUFWDL:0x%08x .\n", value32));
-
-exit:
-	return err;
+	return -EIO;
 }
 
 int rtl92c_download_fw(struct ieee80211_hw *hw)
@@ -226,16 +222,14 @@ int rtl92c_download_fw(struct ieee80211_hw *hw)
 	struct rtl92c_firmware_header *pfwheader;
 	u8 *pfwdata;
 	u32 fwsize;
-	int err;
 	enum version_8192c version = rtlhal->version;
 	const struct firmware *firmware;
 
-	printk(KERN_INFO "rtl8192cu: Loading firmware file %s\n",
+	printk(KERN_INFO "rtl8192c: Loading firmware file %s\n",
 	       rtlpriv->cfg->fw_name);
-	err = request_firmware(&firmware, rtlpriv->cfg->fw_name,
-			       rtlpriv->io.dev);
-	if (err) {
-		printk(KERN_ERR "rtl8192cu: Firmware loading failed\n");
+	if (request_firmware(&firmware, rtlpriv->cfg->fw_name,
+			    rtlpriv->io.dev)) {
+		printk(KERN_ERR "rtl8192c: Firmware loading failed\n");
 		return 1;
 	}
 
@@ -267,8 +261,7 @@ int rtl92c_download_fw(struct ieee80211_hw *hw)
 	_rtl92c_write_fw(hw, version, pfwdata, fwsize);
 	_rtl92c_enable_fw_download(hw, false);
 
-	err = _rtl92c_fw_free_to_go(hw);
-	if (err) {
+	if (_rtl92c_fw_free_to_go(hw)) {
 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
 			 ("Firmware is not ready to run!\n"));
 	} else {
@@ -303,7 +296,6 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
 	u16 box_reg, box_extreg;
 	u8 u1b_tmp;
 	bool isfw_read = false;
-	u8 buf_index;
 	bool bwrite_sucess = false;
 	u8 wait_h2c_limmit = 100;
 	u8 wait_writeh2c_limmit = 100;
@@ -414,7 +406,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
 		case 1:
 			boxcontent[0] &= ~(BIT(7));
 			memcpy((u8 *) (boxcontent) + 1,
-			       p_cmdbuffer + buf_index, 1);
+			       p_cmdbuffer, 1);
 
 			for (idx = 0; idx < 4; idx++) {
 				rtl_write_byte(rtlpriv, box_reg + idx,
@@ -424,7 +416,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
 		case 2:
 			boxcontent[0] &= ~(BIT(7));
 			memcpy((u8 *) (boxcontent) + 1,
-			       p_cmdbuffer + buf_index, 2);
+			       p_cmdbuffer, 2);
 
 			for (idx = 0; idx < 4; idx++) {
 				rtl_write_byte(rtlpriv, box_reg + idx,
@@ -434,7 +426,7 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
 		case 3:
 			boxcontent[0] &= ~(BIT(7));
 			memcpy((u8 *) (boxcontent) + 1,
-			       p_cmdbuffer + buf_index, 3);
+			       p_cmdbuffer, 3);
 
 			for (idx = 0; idx < 4; idx++) {
 				rtl_write_byte(rtlpriv, box_reg + idx,
@@ -444,9 +436,9 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
 		case 4:
 			boxcontent[0] |= (BIT(7));
 			memcpy((u8 *) (boxextcontent),
-			       p_cmdbuffer + buf_index, 2);
+			       p_cmdbuffer, 2);
 			memcpy((u8 *) (boxcontent) + 1,
-			       p_cmdbuffer + buf_index + 2, 2);
+			       p_cmdbuffer + 2, 2);
 
 			for (idx = 0; idx < 2; idx++) {
 				rtl_write_byte(rtlpriv, box_extreg + idx,
@@ -461,9 +453,9 @@ static void _rtl92c_fill_h2c_command(struct ieee80211_hw *hw,
 		case 5:
 			boxcontent[0] |= (BIT(7));
 			memcpy((u8 *) (boxextcontent),
-			       p_cmdbuffer + buf_index, 2);
+			       p_cmdbuffer, 2);
 			memcpy((u8 *) (boxcontent) + 1,
-			       p_cmdbuffer + buf_index + 2, 3);
+			       p_cmdbuffer + 2, 3);
 
 			for (idx = 0; idx < 2; idx++) {
 				rtl_write_byte(rtlpriv, box_extreg + idx,

drivers/net/wireless/rtlwifi/wifi.h

@@ -766,7 +766,7 @@ struct rtl_rfkill {
 #define IQK_MATRIX_REG_NUM	8
 #define IQK_MATRIX_SETTINGS_NUM	(1 + 24 + 21)
 struct iqk_matrix_regs {
-	bool b_iqk_done;
+	bool iqk_done;
 	long value[1][IQK_MATRIX_REG_NUM];
 };
 
@@ -1621,19 +1621,19 @@ struct bt_coexist_info {
 	u32 bt_edca_ul;
 	u32 bt_edca_dl;
 
-	bool b_init_set;
-	bool b_bt_busy_traffic;
-	bool b_bt_traffic_mode_set;
-	bool b_bt_non_traffic_mode_set;
+	bool init_set;
+	bool bt_busy_traffic;
+	bool bt_traffic_mode_set;
+	bool bt_non_traffic_mode_set;
 
-	bool b_fw_coexist_all_off;
-	bool b_sw_coexist_all_off;
+	bool fw_coexist_all_off;
+	bool sw_coexist_all_off;
 	u32 current_state;
 	u32 previous_state;
 	u8 bt_pre_rssi_state;
 
-	u8 b_reg_bt_iso;
-	u8 b_reg_bt_sco;
+	u8 reg_bt_iso;
+	u8 reg_bt_sco;
 
 };