net: z85230: remove trailing whitespaces

This patch removes trailing whitespaces.

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/z85230.c

@@ -500,7 +500,6 @@ static void z8530_dma_rx(struct z8530_channel *chan)
  *	We have received an interrupt while doing DMA transmissions. It
  *	shouldn't happen. Scream loudly if it does.
  */
- 
 static void z8530_dma_tx(struct z8530_channel *chan)
 {
 	if(!chan->dma_tx)
@@ -523,7 +522,6 @@ static void z8530_dma_tx(struct z8530_channel *chan)
  *	and kick the next packet out. Secondly we may see a DCD change.
  *
  */
- 
 static void z8530_dma_status(struct z8530_channel *chan)
 {
 	u8 status, altered;
@@ -744,7 +742,6 @@ static const u8 reg_init[16]=
  *	Switch a Z8530 into synchronous mode without DMA assist. We
  *	raise the RTS/DTR and commence network operation.
  */
- 
 int z8530_sync_open(struct net_device *dev, struct z8530_channel *c)
 {
 	unsigned long flags;
@@ -780,7 +777,6 @@ EXPORT_SYMBOL(z8530_sync_open);
  *	Close down a Z8530 interface and switch its interrupt handlers
  *	to discard future events.
  */
- 
 int z8530_sync_close(struct net_device *dev, struct z8530_channel *c)
 {
 	u8 chk;
@@ -809,7 +805,6 @@ EXPORT_SYMBOL(z8530_sync_close);
  *	ISA DMA channels must be available for this to work. We assume ISA
  *	DMA driven I/O and PC limits on access.
  */
- 
 int z8530_sync_dma_open(struct net_device *dev, struct z8530_channel *c)
 {
 	unsigned long cflags, dflags;
@@ -924,7 +919,6 @@ EXPORT_SYMBOL(z8530_sync_dma_open);
  *	Shut down a DMA mode synchronous interface. Halt the DMA, and
  *	free the buffers.
  */
- 
 int z8530_sync_dma_close(struct net_device *dev, struct z8530_channel *c)
 {
 	u8 chk;
@@ -937,7 +931,7 @@ int z8530_sync_dma_close(struct net_device *dev, struct z8530_channel *c)
 	/*	Disable the PC DMA channels
 	 */
 
-	flags=claim_dma_lock(); 
+	flags = claim_dma_lock();
 	disable_dma(c->rxdma);
 	clear_dma_ff(c->rxdma);
 
@@ -1136,7 +1130,6 @@ EXPORT_SYMBOL(z8530_sync_txdma_close);
 /*	Name strings for Z8530 chips. SGI claim to have a 130, Zilog deny
  *	it exists...
  */
- 
 static const char *z8530_type_name[]={
 	"Z8530",
 	"Z85C30",
@@ -1167,7 +1160,6 @@ EXPORT_SYMBOL(z8530_describe);
 
 /*	Locked operation part of the z8530 init code
  */
- 
 static inline int do_z8530_init(struct z8530_dev *dev)
 {
 	/* NOP the interrupt handlers first - we might get a
@@ -1272,7 +1264,6 @@ EXPORT_SYMBOL(z8530_init);
  *
  *	This is called without the lock held
  */
- 
 int z8530_shutdown(struct z8530_dev *dev)
 {
 	unsigned long flags;
@@ -1392,7 +1383,6 @@ static void z8530_tx_begin(struct z8530_channel *c)
 			/*	These two are needed by the 8530/85C30
 			 *	and must be issued when idling.
 			 */
-			 
 			if(c->dev->type!=Z85230)
 			{
 				write_zsctrl(c, RES_Tx_CRC);
@@ -1411,8 +1401,7 @@ static void z8530_tx_begin(struct z8530_channel *c)
 			write_zsreg(c, R10, c->regs[10]);
 			write_zsctrl(c, RES_Tx_CRC);
 
-			while(c->txcount && (read_zsreg(c,R0)&Tx_BUF_EMP))
+			while (c->txcount && (read_zsreg(c, R0) & Tx_BUF_EMP)) {
-			{		
 				write_zsreg(c, R8, *c->tx_ptr++);
 				c->txcount--;
 			}
@@ -1458,7 +1447,6 @@ static void z8530_tx_done(struct z8530_channel *c)
  *	We point the receive handler at this function when idle. Instead
  *	of processing the frames we get to throw them away.
  */
- 
 void z8530_null_rx(struct z8530_channel *c, struct sk_buff *skb)
 {
 	dev_kfree_skb_any(skb);
@@ -1477,7 +1465,6 @@ EXPORT_SYMBOL(z8530_null_rx);
  *
  *	Called with the lock held
  */
- 
 static void z8530_rx_done(struct z8530_channel *c)
 {
 	struct sk_buff *skb;
@@ -1628,7 +1615,6 @@ static inline int spans_boundary(struct sk_buff *skb)
  *	Called from the network code. The lock is not held at this
  *	point.
  */
-
 netdev_tx_t z8530_queue_xmit(struct z8530_channel *c, struct sk_buff *skb)
 {
 	unsigned long flags;