DM9000: Cleanup source code

Cleanup bits of the DM9000 driver to make the code
neater and easier to read. This is includes removing
some old definitions, re-indenting areas, etc.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/net/dm9000.c

@@ -44,9 +44,8 @@
 
 #define DM9000_PHY		0x40	/* PHY address 0x01 */
 
-#define CARDNAME "dm9000"
-#define PFX CARDNAME ": "
-#define DRV_VERSION	"1.30"
+#define CARDNAME	"dm9000"
+#define DRV_VERSION	"1.31"
 
 #ifdef CONFIG_BLACKFIN
 #define readsb	insb
@@ -98,22 +97,23 @@ enum dm9000_type {
 /* Structure/enum declaration ------------------------------- */
 typedef struct board_info {
 
-	void __iomem *io_addr;	/* Register I/O base address */
-	void __iomem *io_data;	/* Data I/O address */
-	u16 irq;		/* IRQ */
+	void __iomem	*io_addr;	/* Register I/O base address */
+	void __iomem	*io_data;	/* Data I/O address */
+	u16		 irq;		/* IRQ */
 
-	u16 tx_pkt_cnt;
-	u16 queue_pkt_len;
-	u16 queue_start_addr;
-	u16 dbug_cnt;
-	u8 io_mode;		/* 0:word, 2:byte */
-	u8 phy_addr;
-	u8 imr_all;
-	unsigned int flags;
-	unsigned int in_suspend :1;
+	u16		tx_pkt_cnt;
+	u16		queue_pkt_len;
+	u16		queue_start_addr;
+	u16		dbug_cnt;
+	u8		io_mode;		/* 0:word, 2:byte */
+	u8		phy_addr;
+	u8		imr_all;
+
+	unsigned int	flags;
+	unsigned int	in_suspend :1;
+	int		debug_level;
 
 	enum dm9000_type type;
-	int debug_level;
 
 	void (*inblk)(void __iomem *port, void *data, int length);
 	void (*outblk)(void __iomem *port, void *data, int length);
@@ -132,10 +132,10 @@ typedef struct board_info {
 	struct delayed_work phy_poll;
 	struct net_device  *ndev;
 
-	spinlock_t lock;
+	spinlock_t	lock;
 
 	struct mii_if_info mii;
-	u32 msg_enable;
+	u32		msg_enable;
 } board_info_t;
 
 /* debug code */
@@ -153,19 +153,16 @@ static inline board_info_t *to_dm9000_board(struct net_device *dev)
 }
 
 /* function declaration ------------------------------------- */
-static int dm9000_probe(struct platform_device *);
 static int dm9000_open(struct net_device *);
 static int dm9000_start_xmit(struct sk_buff *, struct net_device *);
 static int dm9000_stop(struct net_device *);
-static int dm9000_ioctl(struct net_device *dev, struct ifreq *req, int cmd);
 
 static void dm9000_init_dm9000(struct net_device *);
 
 static irqreturn_t dm9000_interrupt(int, void *);
 
-static int dm9000_phy_read(struct net_device *dev, int phyaddr_unsused, int reg);
-static void dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg,
-			   int value);
+static int dm9000_phy_read(struct net_device *dev, int phy, int reg);
+static void dm9000_phy_write(struct net_device *dev, int phy, int reg, int v);
 
 static void dm9000_read_eeprom(board_info_t *, int addr, u8 *to);
 static void dm9000_write_eeprom(board_info_t *, int addr, u8 *dp);
@@ -655,7 +652,7 @@ dm9000_probe(struct platform_device *pdev)
 
 	dm9000_reset(db);
 
-	/* try two times, DM9000 sometimes gets the first read wrong */
+	/* try multiple times, DM9000 sometimes gets the read wrong */
 	for (i = 0; i < 8; i++) {
 		id_val  = ior(db, DM9000_VIDL);
 		id_val |= (u32)ior(db, DM9000_VIDH) << 8;
@@ -763,7 +760,7 @@ out:
 static int
 dm9000_open(struct net_device *dev)
 {
-	board_info_t *db = (board_info_t *) dev->priv;
+	board_info_t *db = dev->priv;
 	unsigned long irqflags = db->irq_res->flags & IRQF_TRIGGER_MASK;
 
 	if (netif_msg_ifup(db))
@@ -803,7 +800,7 @@ dm9000_open(struct net_device *dev)
 static void
 dm9000_init_dm9000(struct net_device *dev)
 {
-	board_info_t *db = (board_info_t *) dev->priv;
+	board_info_t *db = dev->priv;
 	unsigned int imr;
 
 	dm9000_dbg(db, 1, "entering %s\n", __func__);
@@ -854,7 +851,7 @@ static int
 dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	unsigned long flags;
-	board_info_t *db = (board_info_t *) dev->priv;
+	board_info_t *db = dev->priv;
 
 	dm9000_dbg(db, 3, "%s:\n", __func__);
 
@@ -897,7 +894,7 @@ dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev)
 static void
 dm9000_shutdown(struct net_device *dev)
 {
-	board_info_t *db = (board_info_t *) dev->priv;
+	board_info_t *db = dev->priv;
 
 	/* RESET device */
 	dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET);	/* PHY RESET */
@@ -913,7 +910,7 @@ dm9000_shutdown(struct net_device *dev)
 static int
 dm9000_stop(struct net_device *ndev)
 {
-	board_info_t *db = (board_info_t *) ndev->priv;
+	board_info_t *db = ndev->priv;
 
 	if (netif_msg_ifdown(db))
 		dev_dbg(db->dev, "shutting down %s\n", ndev->name);
@@ -964,7 +961,7 @@ static irqreturn_t
 dm9000_interrupt(int irq, void *dev_id)
 {
 	struct net_device *dev = dev_id;
-	board_info_t *db = (board_info_t *) dev->priv;
+	board_info_t *db = dev->priv;
 	int int_status;
 	u8 reg_save;
 
@@ -1345,7 +1342,8 @@ dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
  *   Write a word to phyxcer
  */
 static void
-dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value)
+dm9000_phy_write(struct net_device *dev,
+		 int phyaddr_unused, int reg, int value)
 {
 	board_info_t *db = (board_info_t *) dev->priv;
 	unsigned long flags;
@@ -1454,7 +1452,7 @@ dm9000_init(void)
 {
 	printk(KERN_INFO "%s Ethernet Driver, V%s\n", CARDNAME, DRV_VERSION);
 
-	return platform_driver_register(&dm9000_driver);	/* search board and register */
+	return platform_driver_register(&dm9000_driver);
 }
 
 static void __exit