net: z85230: 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>

diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c
index 002b8c99ab5b224d49cef1e41eba3fda0ba03b0d..f074cb1100cff3001634754844cda1965c561ef9 100644 (file)
--- a/drivers/net/wan/z85230.c
+++ b/drivers/net/wan/z85230.c
@@ -55,7 +55,6 @@
 
 #include "z85230.h"
 
-
 /**
  *     z8530_read_port - Architecture specific interface function
  *     @p: port to read
@@ -95,7 +94,6 @@ static inline int z8530_read_port(unsigned long p)
  *     dread 5uS sanity delay.
  */
 
-
 static inline void z8530_write_port(unsigned long p, u8 d)
 {
        outb(d,Z8530_PORT_OF(p));
@@ -103,12 +101,9 @@ static inline void z8530_write_port(unsigned long p, u8 d)
                udelay(5);
 }
 
-
-
 static void z8530_rx_done(struct z8530_channel *c);
 static void z8530_tx_done(struct z8530_channel *c);
 
-
 /**
  *     read_zsreg - Read a register from a Z85230 
  *     @c: Z8530 channel to read from (2 per chip)
@@ -159,7 +154,6 @@ static inline void write_zsreg(struct z8530_channel *c, u8 reg, u8 val)
        if(reg)
                z8530_write_port(c->ctrlio, reg);
        z8530_write_port(c->ctrlio, val);
-
 }
 
 /**
@@ -182,8 +176,6 @@ static inline void write_zsctrl(struct z8530_channel *c, u8 val)
  *
  *     Write directly to the data register on the Z8530
  */
-
-
 static inline void write_zsdata(struct z8530_channel *c, u8 val)
 {
        z8530_write_port(c->dataio, val);
@@ -204,7 +196,6 @@ EXPORT_SYMBOL(z8530_dead_port);
  *     Register loading parameters for currently supported circuit types
  */
 
-
 /*
  *     Data clocked by telco end. This is the correct data for the UK
  *     "kilostream" service, and most other similar services.
@@ -352,7 +343,6 @@ static void z8530_rx(struct z8530_channel *c)
 
                if(stat&END_FR)
                {
-               
                        /*
                         *      Error ?
                         */
@@ -392,7 +382,6 @@ static void z8530_rx(struct z8530_channel *c)
        write_zsctrl(c, RES_H_IUS);
 }
 
-
 /**
  *     z8530_tx - Handle a PIO transmit event
  *     @c: Z8530 channel to process
@@ -423,7 +412,6 @@ static void z8530_tx(struct z8530_channel *c)
                }
        }
 
-       
        /*
         *      End of frame TX - fire another one
         */
@@ -474,7 +462,6 @@ static void z8530_status(struct z8530_channel *chan)
                        if (chan->netdevice)
                                netif_carrier_off(chan->netdevice);
                }
-
        }
        write_zsctrl(chan, RES_EXT_INT);
        write_zsctrl(chan, RES_H_IUS);
@@ -564,7 +551,6 @@ static void z8530_dma_status(struct z8530_channel *chan)
        
        chan->status=status;
 
-
        if(chan->dma_tx)
        {
                if(status&TxEOM)
@@ -621,7 +607,6 @@ static struct z8530_irqhandler z8530_txdma_sync = {
  *     (eg the MacII) we must clear the interrupt cause or die.
  */
 
-
 static void z8530_rx_clear(struct z8530_channel *c)
 {
        /*
@@ -680,7 +665,6 @@ struct z8530_irqhandler z8530_nop = {
        .status = z8530_status_clear,
 };
 
-
 EXPORT_SYMBOL(z8530_nop);
 
 /**
@@ -718,7 +702,6 @@ irqreturn_t z8530_interrupt(int irq, void *dev_id)
 
        while(++work<5000)
        {
-
                intr = read_zsreg(&dev->chanA, R3);
                if(!(intr & (CHARxIP|CHATxIP|CHAEXT|CHBRxIP|CHBTxIP|CHBEXT)))
                        break;
@@ -772,7 +755,6 @@ static const u8 reg_init[16]=
        0x55,0,0,0
 };
 
-
 /**
  *     z8530_sync_open - Open a Z8530 channel for PIO
  *     @dev:   The network interface we are using
@@ -808,7 +790,6 @@ int z8530_sync_open(struct net_device *dev, struct z8530_channel *c)
        return 0;
 }
 
-
 EXPORT_SYMBOL(z8530_sync_open);
 
 /**
@@ -1070,7 +1051,6 @@ int z8530_sync_txdma_open(struct net_device *dev, struct z8530_channel *c)
 
        c->tx_dma_buf[1] = c->tx_dma_buf[0] + PAGE_SIZE/2;
 
-
        spin_lock_irqsave(c->lock, cflags);
 
        /*
@@ -1150,7 +1130,6 @@ int z8530_sync_txdma_close(struct net_device *dev, struct z8530_channel *c)
        unsigned long dflags, cflags;
        u8 chk;
 
-       
        spin_lock_irqsave(c->lock, cflags);
        
        c->irqs = &z8530_nop;
@@ -1195,10 +1174,8 @@ int z8530_sync_txdma_close(struct net_device *dev, struct z8530_channel *c)
        return 0;
 }
 
-
 EXPORT_SYMBOL(z8530_sync_txdma_close);
 
-
 /*
  *     Name strings for Z8530 chips. SGI claim to have a 130, Zilog deny
  *     it exists...
@@ -1333,7 +1310,6 @@ int z8530_init(struct z8530_dev *dev)
        return ret;
 }
 
-
 EXPORT_SYMBOL(z8530_init);
 
 /**
@@ -1408,7 +1384,6 @@ int z8530_channel_load(struct z8530_channel *c, u8 *rtable)
 
 EXPORT_SYMBOL(z8530_channel_load);
 
-
 /**
  *     z8530_tx_begin - Begin packet transmission
  *     @c: The Z8530 channel to kick
@@ -1455,8 +1430,7 @@ static void z8530_tx_begin(struct z8530_channel *c)
        else
        {
                c->txcount=c->tx_skb->len;
-               
-               
+
                if(c->dma_tx)
                {
                        /*
@@ -1490,7 +1464,6 @@ static void z8530_tx_begin(struct z8530_channel *c)
                }
                else
                {
-
                        /* ABUNDER off */
                        write_zsreg(c, R10, c->regs[10]);
                        write_zsctrl(c, RES_Tx_CRC);
@@ -1500,7 +1473,6 @@ static void z8530_tx_begin(struct z8530_channel *c)
                                write_zsreg(c, R8, *c->tx_ptr++);
                                c->txcount--;
                        }
-
                }
        }
        /*
@@ -1573,14 +1545,12 @@ static void z8530_rx_done(struct z8530_channel *c)
        /*
         *      Is our receive engine in DMA mode
         */
-        
        if(c->rxdma_on)
        {
                /*
                 *      Save the ready state and the buffer currently
                 *      being used as the DMA target
                 */
-                
                int ready=c->dma_ready;
                unsigned char *rxb=c->rx_buf[c->dma_num];
                unsigned long flags;
@@ -1588,7 +1558,6 @@ static void z8530_rx_done(struct z8530_channel *c)
                /*
                 *      Complete this DMA. Necessary to find the length
                 */             
-                
                flags=claim_dma_lock();
                
                disable_dma(c->rxdma);
@@ -1731,7 +1700,6 @@ netdev_tx_t z8530_queue_xmit(struct z8530_channel *c, struct sk_buff *skb)
        if(c->tx_next_skb)
                return NETDEV_TX_BUSY;
 
-       
        /* PC SPECIFIC - DMA limits */
        
        /*