net: wan: remove redundant blank lines

This patch removes some redundant blank lines.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/wanxl.c

@@ -50,7 +50,6 @@ static const char* version = "wanXL serial card driver version: 0.48";
 /* MAILBOX #2 - DRAM SIZE */
 #define MBX2_MEMSZ_MASK 0xFFFF0000 /* PUTS Memory Size Register mask */
 
-
 struct port {
 	struct net_device *dev;
 	struct card *card;
@@ -61,13 +60,11 @@ struct port {
 	struct sk_buff *tx_skbs[TX_BUFFERS];
 };
 
-
 struct card_status {
 	desc_t rx_descs[RX_QUEUE_LENGTH];
 	port_status_t port_status[4];
 };
 
-
 struct card {
 	int n_ports;		/* 1, 2 or 4 ports */
 	u8 irq;
@@ -81,20 +78,16 @@ struct card {
 	struct port ports[];	/* 1 - 4 port structures follow */
 };
 
-
-
 static inline struct port *dev_to_port(struct net_device *dev)
 {
 	return (struct port *)dev_to_hdlc(dev)->priv;
 }
 
-
 static inline port_status_t *get_status(struct port *port)
 {
 	return &port->card->status->port_status[port->node];
 }
 
-
 #ifdef DEBUG_PCI
 static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr,
 					      size_t size, int direction)
@@ -110,7 +103,6 @@ static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr,
 #define pci_map_single pci_map_single_debug
 #endif
 
-
 /* Cable and/or personality module change interrupt service */
 static inline void wanxl_cable_intr(struct port *port)
 {
@@ -154,8 +146,6 @@ static inline void wanxl_cable_intr(struct port *port)
 		netif_carrier_off(port->dev);
 }
 
-
-
 /* Transmit complete interrupt service */
 static inline void wanxl_tx_intr(struct port *port)
 {
@@ -187,8 +177,6 @@ static inline void wanxl_tx_intr(struct port *port)
         }
 }
 
-
-
 /* Receive complete interrupt service */
 static inline void wanxl_rx_intr(struct card *card)
 {
@@ -239,8 +227,6 @@ static inline void wanxl_rx_intr(struct card *card)
 	}
 }
 
-
-
 static irqreturn_t wanxl_intr(int irq, void* dev_id)
 {
 	struct card *card = dev_id;
@@ -248,7 +234,6 @@ static irqreturn_t wanxl_intr(int irq, void* dev_id)
         u32 stat;
         int handled = 0;
 
-
         while((stat = readl(card->plx + PLX_DOORBELL_FROM_CARD)) != 0) {
                 handled = 1;
 		writel(stat, card->plx + PLX_DOORBELL_FROM_CARD);
@@ -266,8 +251,6 @@ static irqreturn_t wanxl_intr(int irq, void* dev_id)
         return IRQ_RETVAL(handled);
 }
 
-
-
 static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct port *port = dev_to_port(dev);
@@ -312,8 +295,6 @@ static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
 	return NETDEV_TX_OK;
 }
 
-
-
 static int wanxl_attach(struct net_device *dev, unsigned short encoding,
 			unsigned short parity)
 {
@@ -335,8 +316,6 @@ static int wanxl_attach(struct net_device *dev, unsigned short encoding,
 	return 0;
 }
 
-
-
 static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
 	const size_t size = sizeof(sync_serial_settings);
@@ -387,8 +366,6 @@ static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
         }
 }
 
-
-
 static int wanxl_open(struct net_device *dev)
 {
 	struct port *port = dev_to_port(dev);
@@ -423,8 +400,6 @@ static int wanxl_open(struct net_device *dev)
 	return -EFAULT;
 }
 
-
-
 static int wanxl_close(struct net_device *dev)
 {
 	struct port *port = dev_to_port(dev);
@@ -461,8 +436,6 @@ static int wanxl_close(struct net_device *dev)
 	return 0;
 }
 
-
-
 static struct net_device_stats *wanxl_get_stats(struct net_device *dev)
 {
 	struct port *port = dev_to_port(dev);
@@ -474,8 +447,6 @@ static struct net_device_stats *wanxl_get_stats(struct net_device *dev)
 	return &dev->stats;
 }
 
-
-
 static int wanxl_puts_command(struct card *card, u32 cmd)
 {
 	unsigned long timeout = jiffies + 5 * HZ;
@@ -491,8 +462,6 @@ static int wanxl_puts_command(struct card *card, u32 cmd)
 	return -1;
 }
 
-
-
 static void wanxl_reset(struct card *card)
 {
 	u32 old_value = readl(card->plx + PLX_CONTROL) & ~PLX_CTL_RESET;
@@ -505,8 +474,6 @@ static void wanxl_reset(struct card *card)
 	readl(card->plx + PLX_CONTROL); /* wait for posted write */
 }
 
-
-
 static void wanxl_pci_remove_one(struct pci_dev *pdev)
 {
 	struct card *card = pci_get_drvdata(pdev);
@@ -543,7 +510,6 @@ static void wanxl_pci_remove_one(struct pci_dev *pdev)
 	kfree(card);
 }
 
-
 #include "wanxlfw.inc"
 
 static const struct net_device_ops wanxl_ops = {
@@ -677,7 +643,6 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
 	/* set up on-board RAM mapping */
 	mem_phy = pci_resource_start(pdev, 2);
 
-
 	/* sanity check the board's reported memory size */
 	if (ramsize < BUFFERS_ADDR +
 	    (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports) {
@@ -813,7 +778,6 @@ static const struct pci_device_id wanxl_pci_tbl[] = {
 	{ 0, }
 };
 
-
 static struct pci_driver wanxl_pci_driver = {
 	.name		= "wanXL",
 	.id_table	= wanxl_pci_tbl,
@@ -821,7 +785,6 @@ static struct pci_driver wanxl_pci_driver = {
 	.remove		= wanxl_pci_remove_one,
 };
 
-
 static int __init wanxl_init_module(void)
 {
 #ifdef MODULE
@@ -835,7 +798,6 @@ static void __exit wanxl_cleanup_module(void)
 	pci_unregister_driver(&wanxl_pci_driver);
 }
 
-
 MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
 MODULE_DESCRIPTION("SBE Inc. wanXL serial port driver");
 MODULE_LICENSE("GPL v2");