drivers/net: Trim trailing whitespace

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 263 insertions, 263 deletions

diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c
index 03c0f7176fc9..323b6e510108 100644
--- a/drivers/net/3c527.c
+++ b/drivers/net/3c527.c
@@ -1,7 +1,7 @@
 /* 3c527.c: 3Com Etherlink/MC32 driver for Linux 2.4 and 2.6.
  *
  *	(c) Copyright 1998 Red Hat Software Inc
- *	Written by Alan Cox. 
+ *	Written by Alan Cox.
  *	Further debugging by Carl Drougge.
  *      Initial SMP support by Felipe W Damasio <felipewd@terra.com.br>
  *      Heavily modified by Richard Procter <rnp@paradise.net.nz>
@@ -30,12 +30,12 @@ DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Richard Procter <rnp@paradise.net.
  *	The diagram (Figure 1-1) and the POS summary disagree with the
  *	"Interrupt Level" section in the manual.
  *
- *	The manual contradicts itself when describing the minimum number 
- *	buffers in the 'configure lists' command. 
- *	My card accepts a buffer config of 4/4. 
+ *	The manual contradicts itself when describing the minimum number
+ *	buffers in the 'configure lists' command.
+ *	My card accepts a buffer config of 4/4.
  *
  *	Setting the SAV BP bit does not save bad packets, but
- *	only enables RX on-card stats collection. 
+ *	only enables RX on-card stats collection.
  *
  *	The documentation in places seems to miss things. In actual fact
  *	I've always eventually found everything is documented, it just
@@ -64,16 +64,16 @@ DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " Richard Procter <rnp@paradise.net.
  *	received frames exceeding a configurable length are passed
  *	directly to the higher networking layers without incuring a copy,
  *	in what amounts to a time/space trade-off.
- *	 
+ *
  *	The card also keeps a large amount of statistical information
  *	on-board. In a perfect world, these could be used safely at no
  *	cost. However, lacking information to the contrary, processing
  *	them without races would involve so much extra complexity as to
  *	make it unworthwhile to do so. In the end, a hybrid SW/HW
- *	implementation was made necessary --- see mc32_update_stats().  
+ *	implementation was made necessary --- see mc32_update_stats().
  *
  * DOC: Notes
- *	
+ *
  *	It should be possible to use two or more cards, but at this stage
  *	only by loading two copies of the same module.
  *
@@ -132,28 +132,28 @@ static unsigned int mc32_debug = NET_DEBUG;
 /* The number of low I/O ports used by the ethercard. */
 #define MC32_IO_EXTENT	8
 
-/* As implemented, values must be a power-of-2 -- 4/8/16/32 */ 
+/* As implemented, values must be a power-of-2 -- 4/8/16/32 */
 #define TX_RING_LEN     32       /* Typically the card supports 37  */
 #define RX_RING_LEN     8        /*     "       "        "          */
 
-/* Copy break point, see above for details. 
- * Setting to > 1512 effectively disables this feature.	*/	    
+/* Copy break point, see above for details.
+ * Setting to > 1512 effectively disables this feature.	*/
 #define RX_COPYBREAK    200      /* Value from 3c59x.c */
 
 /* Issue the 82586 workaround command - this is for "busy lans", but
- * basically means for all lans now days - has a performance (latency) 
- * cost, but best set. */ 
+ * basically means for all lans now days - has a performance (latency)
+ * cost, but best set. */
 static const int WORKAROUND_82586=1;
 
 /* Pointers to buffers and their on-card records */
-struct mc32_ring_desc 
+struct mc32_ring_desc
 {
-	volatile struct skb_header *p;                    
-	struct sk_buff *skb;          
+	volatile struct skb_header *p;
+	struct sk_buff *skb;
 };
 
 /* Information that needs to be kept for each board. */
-struct mc32_local 
+struct mc32_local
 {
 	int slot;
 
@@ -165,7 +165,7 @@ struct mc32_local
         volatile struct mc32_stats *stats;    /* Start of on-card statistics */
         u16 tx_chain;           /* Transmit list start offset */
 	u16 rx_chain;           /* Receive list start offset */
-        u16 tx_len;             /* Transmit list count */ 
+        u16 tx_len;             /* Transmit list count */
         u16 rx_len;             /* Receive list count */
 
 	u16 xceiver_desired_state; /* HALTED or RUNNING */
@@ -180,7 +180,7 @@ struct mc32_local
 	atomic_t tx_ring_head;  /* index to tx en-queue end */
 	u16 tx_ring_tail;       /* index to tx de-queue end */
 
-	u16 rx_ring_tail;       /* index to rx de-queue end */ 
+	u16 rx_ring_tail;       /* index to rx de-queue end */
 
 	struct semaphore cmd_mutex;    /* Serialises issuing of execute commands */
         struct completion execution_cmd; /* Card has completed an execute command */
@@ -204,7 +204,7 @@ static const struct mca_adapters_t mc32_adapters[] = {
 };
 
 
-/* Macros for ring index manipulations */ 
+/* Macros for ring index manipulations */
 static inline u16 next_rx(u16 rx) { return (rx+1)&(RX_RING_LEN-1); };
 static inline u16 prev_rx(u16 rx) { return (rx-1)&(RX_RING_LEN-1); };
 
@@ -259,21 +259,21 @@ struct net_device *__init mc32_probe(int unit)
 
 	SET_MODULE_OWNER(dev);
 
-	/* Do not check any supplied i/o locations. 
+	/* Do not check any supplied i/o locations.
 	   POS registers usually don't fail :) */
 
-	/* MCA cards have POS registers.  
-	   Autodetecting MCA cards is extremely simple. 
+	/* MCA cards have POS registers.
+	   Autodetecting MCA cards is extremely simple.
 	   Just search for the card. */
 
 	for(i = 0; (mc32_adapters[i].name != NULL); i++) {
-		current_mca_slot = 
+		current_mca_slot =
 			mca_find_unused_adapter(mc32_adapters[i].id, 0);
 
 		if(current_mca_slot != MCA_NOTFOUND) {
 			if(!mc32_probe1(dev, current_mca_slot))
 			{
-				mca_set_adapter_name(current_mca_slot, 
+				mca_set_adapter_name(current_mca_slot,
 						mc32_adapters[i].name);
 				mca_mark_as_used(current_mca_slot);
 				err = register_netdev(dev);
@@ -284,7 +284,7 @@ struct net_device *__init mc32_probe(int unit)
 				}
 				return dev;
 			}
-			
+
 		}
 	}
 	free_netdev(dev);
@@ -298,7 +298,7 @@ struct net_device *__init mc32_probe(int unit)
  *
  * Decode the slot data and configure the card structures. Having done this we
  * can reset the card and configure it. The card does a full self test cycle
- * in firmware so we have to wait for it to return and post us either a 
+ * in firmware so we have to wait for it to return and post us either a
  * failure case or some addresses we use to find the board internals.
  */
 
@@ -347,7 +347,7 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	printk(KERN_INFO "%s: %s found in slot %d:", dev->name, cardname, slot);
 
 	POS = mca_read_stored_pos(slot, 2);
-	
+
 	if(!(POS&1))
 	{
 		printk(" disabled.\n");
@@ -357,7 +357,7 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	/* Fill in the 'dev' fields. */
 	dev->base_addr = mca_io_bases[(POS>>1)&7];
 	dev->mem_start = mca_mem_bases[(POS>>4)&7];
-	
+
 	POS = mca_read_stored_pos(slot, 4);
 	if(!(POS&1))
 	{
@@ -366,21 +366,21 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	}
 
 	POS = mca_read_stored_pos(slot, 5);
-	
+
 	i=(POS>>4)&3;
 	if(i==3)
 	{
 		printk("invalid memory window.\n");
 		return -ENODEV;
 	}
-	
+
 	i*=16384;
 	i+=16384;
-	
+
 	dev->mem_end=dev->mem_start + i;
-	
+
 	dev->irq = ((POS>>2)&3)+9;
-	
+
 	if(!request_region(dev->base_addr, MC32_IO_EXTENT, cardname))
 	{
 		printk("io 0x%3lX, which is busy.\n", dev->base_addr);
@@ -389,23 +389,23 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 
 	printk("io 0x%3lX irq %d mem 0x%lX (%dK)\n",
 		dev->base_addr, dev->irq, dev->mem_start, i/1024);
-	
-	
+
+
 	/* We ought to set the cache line size here.. */
-	
-	
+
+
 	/*
 	 *	Go PROM browsing
 	 */
-	 
+
 	printk("%s: Address ", dev->name);
-	 
+
 	/* Retrieve and print the ethernet address. */
 	for (i = 0; i < 6; i++)
 	{
 		mca_write_pos(slot, 6, i+12);
 		mca_write_pos(slot, 7, 0);
-	
+
 		printk(" %2.2x", dev->dev_addr[i] = mca_read_pos(slot,3));
 	}
 
@@ -413,12 +413,12 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	mca_write_pos(slot, 7, 0);
 
 	POS = mca_read_stored_pos(slot, 4);
-	
+
 	if(POS&2)
 		printk(" : BNC port selected.\n");
-	else 
+	else
 		printk(" : AUI port selected.\n");
-		
+
 	POS=inb(dev->base_addr+HOST_CTRL);
 	POS|=HOST_CTRL_ATTN|HOST_CTRL_RESET;
 	POS&=~HOST_CTRL_INTE;
@@ -428,9 +428,9 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	/* Reset off */
 	POS&=~(HOST_CTRL_ATTN|HOST_CTRL_RESET);
 	outb(POS, dev->base_addr+HOST_CTRL);
-	
+
 	udelay(300);
-	
+
 	/*
 	 *	Grab the IRQ
 	 */
@@ -448,14 +448,14 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 	i=0;
 
 	base = inb(dev->base_addr);
-	
+
 	while(base == 0xFF)
 	{
 		i++;
 		if(i == 1000)
 		{
 			printk(KERN_ERR "%s: failed to boot adapter.\n", dev->name);
-			err = -ENODEV; 
+			err = -ENODEV;
 			goto err_exit_irq;
 		}
 		udelay(1000);
@@ -470,15 +470,15 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 				base<0x0A?" test failure":"");
 		else
 			printk(KERN_ERR "%s: unknown failure %d.\n", dev->name, base);
-		err = -ENODEV; 
+		err = -ENODEV;
 		goto err_exit_irq;
 	}
-	
+
 	base=0;
 	for(i=0;i<4;i++)
 	{
 		int n=0;
-	
+
 		while(!(inb(dev->base_addr+2)&(1<<5)))
 		{
 			n++;
@@ -493,31 +493,31 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
 
 		base|=(inb(dev->base_addr)<<(8*i));
 	}
-	
+
 	lp->exec_box=isa_bus_to_virt(dev->mem_start+base);
-	
-	base=lp->exec_box->data[1]<<16|lp->exec_box->data[0];  
-	
+
+	base=lp->exec_box->data[1]<<16|lp->exec_box->data[0];
+
 	lp->base = dev->mem_start+base;
-	
-	lp->rx_box=isa_bus_to_virt(lp->base + lp->exec_box->data[2]); 
+
+	lp->rx_box=isa_bus_to_virt(lp->base + lp->exec_box->data[2]);
 	lp->tx_box=isa_bus_to_virt(lp->base + lp->exec_box->data[3]);
-	
+
 	lp->stats = isa_bus_to_virt(lp->base + lp->exec_box->data[5]);
 
 	/*
 	 *	Descriptor chains (card relative)
 	 */
-	 
+
 	lp->tx_chain 		= lp->exec_box->data[8];   /* Transmit list start offset */
 	lp->rx_chain 		= lp->exec_box->data[10];  /* Receive list start offset */
-	lp->tx_len 		= lp->exec_box->data[9];   /* Transmit list count */ 
+	lp->tx_len 		= lp->exec_box->data[9];   /* Transmit list count */
 	lp->rx_len 		= lp->exec_box->data[11];  /* Receive list count */
 
 	init_MUTEX_LOCKED(&lp->cmd_mutex);
 	init_completion(&lp->execution_cmd);
 	init_completion(&lp->xceiver_cmd);
-	
+
 	printk("%s: Firmware Rev %d. %d RX buffers, %d TX buffers. Base of 0x%08X.\n",
 		dev->name, lp->exec_box->data[12], lp->rx_len, lp->tx_len, lp->base);
 
@@ -543,12 +543,12 @@ err_exit_ports:
 /**
  *	mc32_ready_poll		-	wait until we can feed it a command
  *	@dev:	The device to wait for
- *	
+ *
  *	Wait until the card becomes ready to accept a command via the
  *	command register. This tells us nothing about the completion
  *	status of any pending commands and takes very little time at all.
  */
- 
+
 static inline void mc32_ready_poll(struct net_device *dev)
 {
 	int ioaddr = dev->base_addr;
@@ -608,22 +608,22 @@ static int mc32_command_nowait(struct net_device *dev, u16 cmd, void *data, int
  *
  *	Sends exec commands in a user context. This permits us to wait around
  *	for the replies and also to wait for the command buffer to complete
- *	from a previous command before we execute our command. After our 
+ *	from a previous command before we execute our command. After our
  *	command completes we will attempt any pending multicast reload
  *	we blocked off by hogging the exec buffer.
  *
- *	You feed the card a command, you wait, it interrupts you get a 
+ *	You feed the card a command, you wait, it interrupts you get a
  *	reply. All well and good. The complication arises because you use
  *	commands for filter list changes which come in at bh level from things
  *	like IPV6 group stuff.
  */
-  
+
 static int mc32_command(struct net_device *dev, u16 cmd, void *data, int len)
 {
 	struct mc32_local *lp = netdev_priv(dev);
 	int ioaddr = dev->base_addr;
 	int ret = 0;
-	
+
 	down(&lp->cmd_mutex);
 
 	/*
@@ -640,7 +640,7 @@ static int mc32_command(struct net_device *dev, u16 cmd, void *data, int len)
 	outb(1<<6, ioaddr+HOST_CMD);
 
 	wait_for_completion(&lp->execution_cmd);
-	
+
 	if(lp->exec_box->mbox&(1<<13))
 		ret = -1;
 
@@ -664,8 +664,8 @@ static int mc32_command(struct net_device *dev, u16 cmd, void *data, int len)
  *	@dev: The 3c527 card to issue the command to
  *
  *	This may be called from the interrupt state, where it is used
- *	to restart the rx ring if the card runs out of rx buffers. 
- *	
+ *	to restart the rx ring if the card runs out of rx buffers.
+ *
  * 	We must first check if it's ok to (re)start the transceiver. See
  *      mc32_close for details.
  */
@@ -675,21 +675,21 @@ static void mc32_start_transceiver(struct net_device *dev) {
 	struct mc32_local *lp = netdev_priv(dev);
 	int ioaddr = dev->base_addr;
 
-	/* Ignore RX overflow on device closure */ 
+	/* Ignore RX overflow on device closure */
 	if (lp->xceiver_desired_state==HALTED)
-		return; 
+		return;
 
 	/* Give the card the offset to the post-EOL-bit RX descriptor */
-	mc32_ready_poll(dev); 
+	mc32_ready_poll(dev);
 	lp->rx_box->mbox=0;
-	lp->rx_box->data[0]=lp->rx_ring[prev_rx(lp->rx_ring_tail)].p->next; 
-	outb(HOST_CMD_START_RX, ioaddr+HOST_CMD);      
+	lp->rx_box->data[0]=lp->rx_ring[prev_rx(lp->rx_ring_tail)].p->next;
+	outb(HOST_CMD_START_RX, ioaddr+HOST_CMD);
 
-	mc32_ready_poll(dev); 
+	mc32_ready_poll(dev);
 	lp->tx_box->mbox=0;
-	outb(HOST_CMD_RESTRT_TX, ioaddr+HOST_CMD);   /* card ignores this on RX restart */ 
-	
-	/* We are not interrupted on start completion */ 
+	outb(HOST_CMD_RESTRT_TX, ioaddr+HOST_CMD);   /* card ignores this on RX restart */
+
+	/* We are not interrupted on start completion */
 }
 
 
@@ -703,21 +703,21 @@ static void mc32_start_transceiver(struct net_device *dev) {
  *
  *	We then sleep until the card has notified us that both rx and
  *	tx have been suspended.
- */ 
+ */
 
-static void mc32_halt_transceiver(struct net_device *dev) 
+static void mc32_halt_transceiver(struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
 	int ioaddr = dev->base_addr;
 
-	mc32_ready_poll(dev);	
+	mc32_ready_poll(dev);
 	lp->rx_box->mbox=0;
-	outb(HOST_CMD_SUSPND_RX, ioaddr+HOST_CMD);			
+	outb(HOST_CMD_SUSPND_RX, ioaddr+HOST_CMD);
 	wait_for_completion(&lp->xceiver_cmd);
 
-	mc32_ready_poll(dev); 
+	mc32_ready_poll(dev);
 	lp->tx_box->mbox=0;
-	outb(HOST_CMD_SUSPND_TX, ioaddr+HOST_CMD);	
+	outb(HOST_CMD_SUSPND_TX, ioaddr+HOST_CMD);
 	wait_for_completion(&lp->xceiver_cmd);
 }
 
@@ -741,14 +741,14 @@ static void mc32_halt_transceiver(struct net_device *dev)
  *	We then set the end-of-list bit for the last entry so that the
  * 	card will know when it has run out of buffers.
  */
-	 
+
 static int mc32_load_rx_ring(struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
 	int i;
 	u16 rx_base;
 	volatile struct skb_header *p;
-	
+
 	rx_base=lp->rx_chain;
 
 	for(i=0; i<RX_RING_LEN; i++) {
@@ -761,14 +761,14 @@ static int mc32_load_rx_ring(struct net_device *dev)
 		skb_reserve(lp->rx_ring[i].skb, 18);
 
 		p=isa_bus_to_virt(lp->base+rx_base);
-				
+
 		p->control=0;
 		p->data=isa_virt_to_bus(lp->rx_ring[i].skb->data);
 		p->status=0;
 		p->length=1532;
-	
-		lp->rx_ring[i].p=p; 
-		rx_base=p->next; 
+
+		lp->rx_ring[i].p=p;
+		rx_base=p->next;
 	}
 
 	lp->rx_ring[i-1].p->control |= CONTROL_EOL;
@@ -776,14 +776,14 @@ static int mc32_load_rx_ring(struct net_device *dev)
 	lp->rx_ring_tail=0;
 
 	return 0;
-}	
+}
 
 
 /**
  *	mc32_flush_rx_ring	-	free the ring of receive buffers
  *	@lp: Local data of 3c527 to flush the rx ring of
  *
- *	Free the buffer for each ring slot. This may be called 
+ *	Free the buffer for each ring slot. This may be called
  *      before mc32_load_rx_ring(), eg. on error in mc32_open().
  *      Requires rx skb pointers to point to a valid skb, or NULL.
  */
@@ -791,16 +791,16 @@ static int mc32_load_rx_ring(struct net_device *dev)
 static void mc32_flush_rx_ring(struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
-	int i; 
+	int i;
 
-	for(i=0; i < RX_RING_LEN; i++) 
-	{ 
+	for(i=0; i < RX_RING_LEN; i++)
+	{
 		if (lp->rx_ring[i].skb) {
 			dev_kfree_skb(lp->rx_ring[i].skb);
 			lp->rx_ring[i].skb = NULL;
 		}
-		lp->rx_ring[i].p=NULL; 
-	} 
+		lp->rx_ring[i].p=NULL;
+	}
 }
 
 
@@ -808,31 +808,31 @@ static void mc32_flush_rx_ring(struct net_device *dev)
  *	mc32_load_tx_ring	-	load transmit ring
  *	@dev: The 3c527 card to issue the command to
  *
- *	This sets up the host transmit data-structures. 
+ *	This sets up the host transmit data-structures.
  *
  *	First, we obtain from the card it's current postion in the tx
  *	ring, so that we will know where to begin transmitting
  *	packets.
- * 	
+ *
  * 	Then, we read the 'next' pointers from the on-card tx ring into
  *  	our tx_ring array to reduce slow shared-mem reads. Finally, we
  * 	intitalise the tx house keeping variables.
- * 
- */ 
+ *
+ */
 
 static void mc32_load_tx_ring(struct net_device *dev)
-{ 
+{
 	struct mc32_local *lp = netdev_priv(dev);
 	volatile struct skb_header *p;
-	int i; 
+	int i;
 	u16 tx_base;
 
-	tx_base=lp->tx_box->data[0]; 
+	tx_base=lp->tx_box->data[0];
 
 	for(i=0 ; i<TX_RING_LEN ; i++)
 	{
 		p=isa_bus_to_virt(lp->base+tx_base);
-		lp->tx_ring[i].p=p; 
+		lp->tx_ring[i].p=p;
 		lp->tx_ring[i].skb=NULL;
 
 		tx_base=p->next;
@@ -841,10 +841,10 @@ static void mc32_load_tx_ring(struct net_device *dev)
 	/* -1 so that tx_ring_head cannot "lap" tx_ring_tail */
 	/* see mc32_tx_ring */
 
-	atomic_set(&lp->tx_count, TX_RING_LEN-1); 
-	atomic_set(&lp->tx_ring_head, 0); 
-	lp->tx_ring_tail=0; 
-} 
+	atomic_set(&lp->tx_count, TX_RING_LEN-1);
+	atomic_set(&lp->tx_ring_head, 0);
+	lp->tx_ring_tail=0;
+}
 
 
 /**
@@ -871,11 +871,11 @@ static void mc32_flush_tx_ring(struct net_device *dev)
 		}
 	}
 
-	atomic_set(&lp->tx_count, 0); 
-	atomic_set(&lp->tx_ring_head, 0); 
+	atomic_set(&lp->tx_count, 0);
+	atomic_set(&lp->tx_ring_head, 0);
 	lp->tx_ring_tail=0;
 }
- 	
+
 
 /**
  *	mc32_open	-	handle 'up' of card
@@ -909,7 +909,7 @@ static int mc32_open(struct net_device *dev)
 	regs=inb(ioaddr+HOST_CTRL);
 	regs|=HOST_CTRL_INTE;
 	outb(regs, ioaddr+HOST_CTRL);
-	
+
 	/*
 	 *      Allow ourselves to issue commands
 	 */
@@ -924,52 +924,52 @@ static int mc32_open(struct net_device *dev)
 	mc32_command(dev, 4, &one, 2);
 
 	/*
-	 *	Poke it to make sure it's really dead. 
+	 *	Poke it to make sure it's really dead.
 	 */
 
-	mc32_halt_transceiver(dev); 
-	mc32_flush_tx_ring(dev); 
+	mc32_halt_transceiver(dev);
+	mc32_flush_tx_ring(dev);
 
-	/* 
-	 *	Ask card to set up on-card descriptors to our spec 
-	 */ 
+	/*
+	 *	Ask card to set up on-card descriptors to our spec
+	 */
 
-	if(mc32_command(dev, 8, descnumbuffs, 4)) { 
+	if(mc32_command(dev, 8, descnumbuffs, 4)) {
 		printk("%s: %s rejected our buffer configuration!\n",
 	 	       dev->name, cardname);
-		mc32_close(dev); 
-		return -ENOBUFS; 
+		mc32_close(dev);
+		return -ENOBUFS;
 	}
-	
-	/* Report new configuration */ 
-	mc32_command(dev, 6, NULL, 0); 
+
+	/* Report new configuration */
+	mc32_command(dev, 6, NULL, 0);
 
 	lp->tx_chain 		= lp->exec_box->data[8];   /* Transmit list start offset */
 	lp->rx_chain 		= lp->exec_box->data[10];  /* Receive list start offset */
-	lp->tx_len 		= lp->exec_box->data[9];   /* Transmit list count */ 
+	lp->tx_len 		= lp->exec_box->data[9];   /* Transmit list count */
 	lp->rx_len 		= lp->exec_box->data[11];  /* Receive list count */
- 
+
 	/* Set Network Address */
 	mc32_command(dev, 1, dev->dev_addr, 6);
-	
+
 	/* Set the filters */
 	mc32_set_multicast_list(dev);
-		   
-	if (WORKAROUND_82586) { 
+
+	if (WORKAROUND_82586) {
 		u16 zero_word=0;
 		mc32_command(dev, 0x0D, &zero_word, 2);   /* 82586 bug workaround on  */
 	}
 
 	mc32_load_tx_ring(dev);
-	
-	if(mc32_load_rx_ring(dev)) 
+
+	if(mc32_load_rx_ring(dev))
 	{
 		mc32_close(dev);
 		return -ENOBUFS;
 	}
 
 	lp->xceiver_desired_state = RUNNING;
-	
+
 	/* And finally, set the ball rolling... */
 	mc32_start_transceiver(dev);
 
@@ -1015,14 +1015,14 @@ static void mc32_timeout(struct net_device *dev)
  *      after we've established a valid packet on the tx ring (and
  *      before we let the card "see" it, to prevent it racing with the
  *      irq handler).
- * 
+ *
  */
 
 static int mc32_send_packet(struct sk_buff *skb, struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
 	u32 head = atomic_read(&lp->tx_ring_head);
-	
+
 	volatile struct skb_header *p, *np;
 
 	netif_stop_queue(dev);
@@ -1036,31 +1036,31 @@ static int mc32_send_packet(struct sk_buff *skb, struct net_device *dev)
 		return 0;
 	}
 
-	atomic_dec(&lp->tx_count); 
+	atomic_dec(&lp->tx_count);
 
 	/* P is the last sending/sent buffer as a pointer */
 	p=lp->tx_ring[head].p;
-		
+
 	head = next_tx(head);
 
 	/* NP is the buffer we will be loading */
-	np=lp->tx_ring[head].p; 
-	
+	np=lp->tx_ring[head].p;
+
 	/* We will need this to flush the buffer out */
 	lp->tx_ring[head].skb=skb;
 
-	np->length      = unlikely(skb->len < ETH_ZLEN) ? ETH_ZLEN : skb->len;			
+	np->length      = unlikely(skb->len < ETH_ZLEN) ? ETH_ZLEN : skb->len;
 	np->data	= isa_virt_to_bus(skb->data);
 	np->status	= 0;
-	np->control     = CONTROL_EOP | CONTROL_EOL;     
+	np->control     = CONTROL_EOP | CONTROL_EOL;
 	wmb();
-		
+
 	/*
 	 * The new frame has been setup; we can now
 	 * let the interrupt handler and card "see" it
 	 */
 
-	atomic_set(&lp->tx_ring_head, head); 
+	atomic_set(&lp->tx_ring_head, head);
 	p->control     &= ~CONTROL_EOL;
 
 	netif_wake_queue(dev);
@@ -1072,13 +1072,13 @@ static int mc32_send_packet(struct sk_buff *skb, struct net_device *dev)
  *	mc32_update_stats	-	pull off the on board statistics
  *	@dev: 3c527 to service
  *
- * 
+ *
  *	Query and reset the on-card stats. There's the small possibility
  *	of a race here, which would result in an underestimation of
  *	actual errors. As such, we'd prefer to keep all our stats
  *	collection in software. As a rule, we do. However it can't be
  *	used for rx errors and collisions as, by default, the card discards
- *	bad rx packets. 
+ *	bad rx packets.
  *
  *	Setting the SAV BP in the rx filter command supposedly
  *	stops this behaviour. However, testing shows that it only seems to
@@ -1090,30 +1090,30 @@ static int mc32_send_packet(struct sk_buff *skb, struct net_device *dev)
 static void mc32_update_stats(struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
-	volatile struct mc32_stats *st = lp->stats; 
+	volatile struct mc32_stats *st = lp->stats;
 
-	u32 rx_errors=0; 
-      
-	rx_errors+=lp->net_stats.rx_crc_errors   +=st->rx_crc_errors;         
+	u32 rx_errors=0;
+
+	rx_errors+=lp->net_stats.rx_crc_errors   +=st->rx_crc_errors;
 	                                           st->rx_crc_errors=0;
-	rx_errors+=lp->net_stats.rx_fifo_errors  +=st->rx_overrun_errors;   
-	                                           st->rx_overrun_errors=0; 
-	rx_errors+=lp->net_stats.rx_frame_errors +=st->rx_alignment_errors; 
+	rx_errors+=lp->net_stats.rx_fifo_errors  +=st->rx_overrun_errors;
+	                                           st->rx_overrun_errors=0;
+	rx_errors+=lp->net_stats.rx_frame_errors +=st->rx_alignment_errors;
  	                                           st->rx_alignment_errors=0;
-	rx_errors+=lp->net_stats.rx_length_errors+=st->rx_tooshort_errors; 
+	rx_errors+=lp->net_stats.rx_length_errors+=st->rx_tooshort_errors;
 	                                           st->rx_tooshort_errors=0;
 	rx_errors+=lp->net_stats.rx_missed_errors+=st->rx_outofresource_errors;
-	                                           st->rx_outofresource_errors=0; 
-        lp->net_stats.rx_errors=rx_errors; 
-						   
+	                                           st->rx_outofresource_errors=0;
+        lp->net_stats.rx_errors=rx_errors;
+
 	/* Number of packets which saw one collision */
 	lp->net_stats.collisions+=st->dataC[10];
-	st->dataC[10]=0; 
+	st->dataC[10]=0;
 
-	/* Number of packets which saw 2--15 collisions */ 
-	lp->net_stats.collisions+=st->dataC[11]; 
-	st->dataC[11]=0; 
-}	
+	/* Number of packets which saw 2--15 collisions */
+	lp->net_stats.collisions+=st->dataC[11];
+	st->dataC[11]=0;
+}
 
 
 /**
@@ -1130,7 +1130,7 @@ static void mc32_update_stats(struct net_device *dev)
  *	For each completed packet, we will either copy it and pass it up
  * 	the stack or, if the packet is near MTU sized, we allocate
  *	another buffer and flip the old one up the stack.
- * 
+ *
  *	We must succeed in keeping a buffer on the ring. If necessary we
  *	will toss a received packet rather than lose a ring entry. Once
  *	the first uncompleted descriptor is found, we move the
@@ -1147,72 +1147,72 @@ static void mc32_rx_ring(struct net_device *dev)
 	int x=0;
 
 	rx_old_tail = rx_ring_tail = lp->rx_ring_tail;
-	
+
 	do
-	{ 
-		p=lp->rx_ring[rx_ring_tail].p; 
+	{
+		p=lp->rx_ring[rx_ring_tail].p;
 
-		if(!(p->status & (1<<7))) { /* Not COMPLETED */ 
+		if(!(p->status & (1<<7))) { /* Not COMPLETED */
 			break;
-		} 
+		}
 		if(p->status & (1<<6)) /* COMPLETED_OK */
-		{		        
+		{
 
 			u16 length=p->length;
-			struct sk_buff *skb; 
-			struct sk_buff *newskb; 
+			struct sk_buff *skb;
+			struct sk_buff *newskb;
 
 			/* Try to save time by avoiding a copy on big frames */
 
-			if ((length > RX_COPYBREAK) 
-			    && ((newskb=dev_alloc_skb(1532)) != NULL)) 
-			{ 
+			if ((length > RX_COPYBREAK)
+			    && ((newskb=dev_alloc_skb(1532)) != NULL))
+			{
 				skb=lp->rx_ring[rx_ring_tail].skb;
 				skb_put(skb, length);
-				
-				skb_reserve(newskb,18); 
-				lp->rx_ring[rx_ring_tail].skb=newskb;  
-				p->data=isa_virt_to_bus(newskb->data);  
-			} 
-			else 
+
+				skb_reserve(newskb,18);
+				lp->rx_ring[rx_ring_tail].skb=newskb;
+				p->data=isa_virt_to_bus(newskb->data);
+			}
+			else
 			{
-				skb=dev_alloc_skb(length+2);  
+				skb=dev_alloc_skb(length+2);
 
 				if(skb==NULL) {
-					lp->net_stats.rx_dropped++; 
-					goto dropped; 
+					lp->net_stats.rx_dropped++;
+					goto dropped;
 				}
 
 				skb_reserve(skb,2);
 				memcpy(skb_put(skb, length),
 				       lp->rx_ring[rx_ring_tail].skb->data, length);
 			}
-			
-			skb->protocol=eth_type_trans(skb,dev); 
-			skb->dev=dev; 
+
+			skb->protocol=eth_type_trans(skb,dev);
+			skb->dev=dev;
 			dev->last_rx = jiffies;
- 			lp->net_stats.rx_packets++; 
- 			lp->net_stats.rx_bytes += length; 
+ 			lp->net_stats.rx_packets++;
+ 			lp->net_stats.rx_bytes += length;
 			netif_rx(skb);
 		}
 
 	dropped:
-		p->length = 1532; 
+		p->length = 1532;
 		p->status = 0;
-		
-		rx_ring_tail=next_rx(rx_ring_tail); 
+
+		rx_ring_tail=next_rx(rx_ring_tail);
 	}
-        while(x++<48);  
+        while(x++<48);
 
-	/* If there was actually a frame to be processed, place the EOL bit */ 
-	/* at the descriptor prior to the one to be filled next */ 
+	/* If there was actually a frame to be processed, place the EOL bit */
+	/* at the descriptor prior to the one to be filled next */
 
-	if (rx_ring_tail != rx_old_tail) 
-	{ 
-		lp->rx_ring[prev_rx(rx_ring_tail)].p->control |=  CONTROL_EOL; 
-		lp->rx_ring[prev_rx(rx_old_tail)].p->control  &= ~CONTROL_EOL; 
+	if (rx_ring_tail != rx_old_tail)
+	{
+		lp->rx_ring[prev_rx(rx_ring_tail)].p->control |=  CONTROL_EOL;
+		lp->rx_ring[prev_rx(rx_old_tail)].p->control  &= ~CONTROL_EOL;
 
-		lp->rx_ring_tail=rx_ring_tail; 
+		lp->rx_ring_tail=rx_ring_tail;
 	}
 }
 
@@ -1228,10 +1228,10 @@ static void mc32_rx_ring(struct net_device *dev)
  *	any errors. This continues until the transmit ring is emptied
  *	or we reach a descriptor that hasn't yet been processed by the
  *	card.
- * 
+ *
  */
 
-static void mc32_tx_ring(struct net_device *dev) 
+static void mc32_tx_ring(struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
 	volatile struct skb_header *np;
@@ -1243,28 +1243,28 @@ static void mc32_tx_ring(struct net_device *dev)
 	 * condition with 'queue full'
 	 */
 
-	while (lp->tx_ring_tail != atomic_read(&lp->tx_ring_head))  
-	{   
-		u16 t; 
+	while (lp->tx_ring_tail != atomic_read(&lp->tx_ring_head))
+	{
+		u16 t;
 
-		t=next_tx(lp->tx_ring_tail); 
-		np=lp->tx_ring[t].p; 
+		t=next_tx(lp->tx_ring_tail);
+		np=lp->tx_ring[t].p;
 
-		if(!(np->status & (1<<7))) 
+		if(!(np->status & (1<<7)))
 		{
-			/* Not COMPLETED */ 
-			break; 
-		} 
+			/* Not COMPLETED */
+			break;
+		}
 		lp->net_stats.tx_packets++;
 		if(!(np->status & (1<<6))) /* Not COMPLETED_OK */
 		{
-			lp->net_stats.tx_errors++;   
+			lp->net_stats.tx_errors++;
 
 			switch(np->status&0x0F)
 			{
 				case 1:
 					lp->net_stats.tx_aborted_errors++;
-					break; /* Max collisions */ 
+					break; /* Max collisions */
 				case 2:
 					lp->net_stats.tx_fifo_errors++;
 					break;
@@ -1273,10 +1273,10 @@ static void mc32_tx_ring(struct net_device *dev)
 					break;
 				case 4:
 					lp->net_stats.tx_window_errors++;
-					break;  /* CTS Lost */ 
+					break;  /* CTS Lost */
 				case 5:
 					lp->net_stats.tx_aborted_errors++;
-					break; /* Transmit timeout */ 
+					break; /* Transmit timeout */
 			}
 		}
 		/* Packets are sent in order - this is
@@ -1288,10 +1288,10 @@ static void mc32_tx_ring(struct net_device *dev)
 		atomic_inc(&lp->tx_count);
 		netif_wake_queue(dev);
 
-		lp->tx_ring_tail=t; 
+		lp->tx_ring_tail=t;
 	}
 
-} 
+}
 
 
 /**
@@ -1322,13 +1322,13 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 	struct mc32_local *lp;
 	int ioaddr, status, boguscount = 0;
 	int rx_event = 0;
-	int tx_event = 0; 
-	
+	int tx_event = 0;
+
 	if (dev == NULL) {
 		printk(KERN_WARNING "%s: irq %d for unknown device.\n", cardname, irq);
 		return IRQ_NONE;
 	}
- 
+
 	ioaddr = dev->base_addr;
 	lp = netdev_priv(dev);
 
@@ -1338,19 +1338,19 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 	{
 		status=inb(ioaddr+HOST_CMD);
 
-#ifdef DEBUG_IRQ		
+#ifdef DEBUG_IRQ
 		printk("Status TX%d RX%d EX%d OV%d BC%d\n",
 			(status&7), (status>>3)&7, (status>>6)&1,
 			(status>>7)&1, boguscount);
 #endif
-			
+
 		switch(status&7)
 		{
 			case 0:
 				break;
 			case 6: /* TX fail */
 			case 2:	/* TX ok */
-				tx_event = 1; 
+				tx_event = 1;
 				break;
 			case 3: /* Halt */
 			case 4: /* Abort */
@@ -1365,7 +1365,7 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 			case 0:
 				break;
 			case 2:	/* RX */
-				rx_event=1; 
+				rx_event=1;
 				break;
 			case 3: /* Halt */
 			case 4: /* Abort */
@@ -1375,12 +1375,12 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 				/* Out of RX buffers stat */
 				/* Must restart rx */
 				lp->net_stats.rx_dropped++;
-				mc32_rx_ring(dev); 
-				mc32_start_transceiver(dev); 
+				mc32_rx_ring(dev);
+				mc32_start_transceiver(dev);
 				break;
 			default:
-				printk("%s: strange rx ack %d\n", 
-					dev->name, status&7);			
+				printk("%s: strange rx ack %d\n",
+					dev->name, status&7);
 		}
 		status>>=3;
 		if(status&1)
@@ -1389,10 +1389,10 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 			 * No thread is waiting: we need to tidy
 			 * up ourself.
 			 */
-				   
+
 			if (lp->cmd_nonblocking) {
 				up(&lp->cmd_mutex);
-				if (lp->mc_reload_wait) 
+				if (lp->mc_reload_wait)
 					mc32_reset_multicast_list(dev);
 			}
 			else complete(&lp->execution_cmd);
@@ -1401,22 +1401,22 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
 		{
 			/*
 			 *	We get interrupted once per
-			 *	counter that is about to overflow. 
+			 *	counter that is about to overflow.
 			 */
 
-			mc32_update_stats(dev);			
+			mc32_update_stats(dev);
 		}
 	}
 
 
 	/*
-	 *	Process the transmit and receive rings 
+	 *	Process the transmit and receive rings
          */
 
-	if(tx_event) 
+	if(tx_event)
 		mc32_tx_ring(dev);
-	 
-	if(rx_event) 
+
+	if(rx_event)
 		mc32_rx_ring(dev);
 
 	return IRQ_HANDLED;
@@ -1435,7 +1435,7 @@ static irqreturn_t mc32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
  *	driver.  Otherwise, it is possible that the card may run out
  *	of receive buffers and restart the transceiver while we're
  *	trying to close it.
- * 
+ *
  *	We abort any receive and transmits going on and then wait until
  *	any pending exec commands have completed in other code threads.
  *	In theory we can't get here while that is true, in practice I am
@@ -1452,7 +1452,7 @@ static int mc32_close(struct net_device *dev)
 
 	u8 regs;
 	u16 one=1;
-	
+
 	lp->xceiver_desired_state = HALTED;
 	netif_stop_queue(dev);
 
@@ -1464,22 +1464,22 @@ static int mc32_close(struct net_device *dev)
 
 	/* Shut down the transceiver */
 
-	mc32_halt_transceiver(dev); 
-	
+	mc32_halt_transceiver(dev);
+
 	/* Ensure we issue no more commands beyond this point */
 
 	down(&lp->cmd_mutex);
-	
-	/* Ok the card is now stopping */	
-	
+
+	/* Ok the card is now stopping */
+
 	regs=inb(ioaddr+HOST_CTRL);
 	regs&=~HOST_CTRL_INTE;
 	outb(regs, ioaddr+HOST_CTRL);
 
 	mc32_flush_rx_ring(dev);
 	mc32_flush_tx_ring(dev);
-		
-	mc32_update_stats(dev); 
+
+	mc32_update_stats(dev);
 
 	return 0;
 }
@@ -1490,15 +1490,15 @@ static int mc32_close(struct net_device *dev)
  *	@dev: The 3c527 card to handle
  *
  *	We've collected all the stats we can in software already. Now
- *	it's time to update those kept on-card and return the lot. 
- * 
+ *	it's time to update those kept on-card and return the lot.
+ *
  */
 
 static struct net_device_stats *mc32_get_stats(struct net_device *dev)
 {
 	struct mc32_local *lp = netdev_priv(dev);
-	
-	mc32_update_stats(dev); 
+
+	mc32_update_stats(dev);
 	return &lp->net_stats;
 }
 
@@ -1506,7 +1506,7 @@ static struct net_device_stats *mc32_get_stats(struct net_device *dev)
 /**
  *	do_mc32_set_multicast_list	-	attempt to update multicasts
  *	@dev: 3c527 device to load the list on
- *	@retry: indicates this is not the first call. 
+ *	@retry: indicates this is not the first call.
  *
  *
  * 	Actually set or clear the multicast filter for this adaptor. The
@@ -1514,22 +1514,22 @@ static struct net_device_stats *mc32_get_stats(struct net_device *dev)
  *	state as it may take multiple calls to get the command sequence
  *	completed. We just keep trying to schedule the loads until we
  *	manage to process them all.
- * 
+ *
  *	num_addrs == -1	Promiscuous mode, receive all packets
- * 
+ *
  *	num_addrs == 0	Normal mode, clear multicast list
- * 
- *	num_addrs > 0	Multicast mode, receive normal and MC packets, 
- *			and do best-effort filtering. 
  *
- *	See mc32_update_stats() regards setting the SAV BP bit. 
+ *	num_addrs > 0	Multicast mode, receive normal and MC packets,
+ *			and do best-effort filtering.
+ *
+ *	See mc32_update_stats() regards setting the SAV BP bit.
  *
  */
 
 static void do_mc32_set_multicast_list(struct net_device *dev, int retry)
 {
 	struct mc32_local *lp = netdev_priv(dev);
-	u16 filt = (1<<2); /* Save Bad Packets, for stats purposes */ 
+	u16 filt = (1<<2); /* Save Bad Packets, for stats purposes */
 
 	if (dev->flags&IFF_PROMISC)
 		/* Enable promiscuous mode */
@@ -1544,9 +1544,9 @@ static void do_mc32_set_multicast_list(struct net_device *dev, int retry)
 		unsigned char block[62];
 		unsigned char *bp;
 		struct dev_mc_list *dmc=dev->mc_list;
-		
+
 		int i;
-	       
+
 		if(retry==0)
 			lp->mc_list_valid = 0;
 		if(!lp->mc_list_valid)
@@ -1554,7 +1554,7 @@ static void do_mc32_set_multicast_list(struct net_device *dev, int retry)
 			block[1]=0;
 			block[0]=dev->mc_count;
 			bp=block+2;
-		
+
 			for(i=0;i<dev->mc_count;i++)
 			{
 				memcpy(bp, dmc->dmi_addr, 6);
@@ -1569,12 +1569,12 @@ static void do_mc32_set_multicast_list(struct net_device *dev, int retry)
 			lp->mc_list_valid=1;
 		}
 	}
-	
-	if(mc32_command_nowait(dev, 0, &filt, 2)==-1) 
+
+	if(mc32_command_nowait(dev, 0, &filt, 2)==-1)
 	{
 		lp->mc_reload_wait = 1;
-	} 
-	else { 
+	}
+	else {
 		lp->mc_reload_wait = 0;
 	}
 }