drivers/net/natsemi.c: janitorial - whitespace, wrap, and indenting cleanup

drivers/net/natsemi.c

 /* natsemi.c: A Linux PCI Ethernet driver for the NatSemi DP8381x series. */
 /*
 	Written/copyright 1999-2001 by Donald Becker.
-	Portions copyright (c) 2001 Sun Microsystems (thockin@sun.com)
+	Portions copyright (c) 2001,2002 Sun Microsystems (thockin@sun.com)
+	Portions copyright 2001,2002 Manfred Spraul (manfred@colorfullife.com)
 
 	This software may be used and distributed according to the terms of
 	the GNU General Public License (GPL), incorporated herein by reference.
@@ -174,18 +175,6 @@
 
 /* Updated to recommendations in pci-skeleton v2.03. */
 
-/* Automatically extracted configuration info:
-probe-func: natsemi_probe
-config-in: tristate 'National Semiconductor DP8381x series PCI Ethernet support' CONFIG_NATSEMI
-
-c-help-name: National Semiconductor DP8381x series PCI Ethernet support
-c-help-symbol: CONFIG_NATSEMI
-c-help: This driver is for the National Semiconductor DP8381x series,
-c-help: including the 8381[56] chips.
-c-help: More specific information and updates are available from 
-c-help: http://www.scyld.com/network/natsemi.html
-*/
-
 /* The user-configurable values.
    These may be modified when a driver module is loaded.*/
 
@@ -247,9 +236,11 @@ static int full_duplex[MAX_UNITS];
 
 /* These identify the driver base version and may not be removed. */
 static char version[] __devinitdata =
-KERN_INFO DRV_NAME ".c:v1.07 1/9/2001  Written by Donald Becker <becker@scyld.com>\n"
+KERN_INFO DRV_NAME
+	".c:v1.07 1/9/2001  Written by Donald Becker <becker@scyld.com>\n"
 KERN_INFO "  http://www.scyld.com/network/natsemi.html\n"
-KERN_INFO "  (unofficial 2.4.x kernel port, version " DRV_VERSION ", " DRV_RELDATE "  Jeff Garzik, Tjeerd Mulder)\n";
+KERN_INFO "  (unofficial 2.4.x kernel port, version "
+	DRV_VERSION ", " DRV_RELDATE "  Jeff Garzik, Tjeerd Mulder)\n";
 
 MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
 MODULE_DESCRIPTION("National Semiconductor DP8381x series PCI Ethernet driver");
@@ -261,11 +252,14 @@ MODULE_PARM(debug, "i");
 MODULE_PARM(rx_copybreak, "i");
 MODULE_PARM(options, "1-" __MODULE_STRING(MAX_UNITS) "i");
 MODULE_PARM(full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM_DESC(max_interrupt_work, "DP8381x maximum events handled per interrupt");
+MODULE_PARM_DESC(max_interrupt_work, 
+	"DP8381x maximum events handled per interrupt");
 MODULE_PARM_DESC(mtu, "DP8381x MTU (all boards)");
 MODULE_PARM_DESC(debug, "DP8381x default debug bitmask");
-MODULE_PARM_DESC(rx_copybreak, "DP8381x copy breakpoint for copy-only-tiny-frames");
-MODULE_PARM_DESC(options, "DP8381x: Bits 0-3: media type, bit 17: full duplex");
+MODULE_PARM_DESC(rx_copybreak, 
+	"DP8381x copy breakpoint for copy-only-tiny-frames");
+MODULE_PARM_DESC(options, 
+	"DP8381x: Bits 0-3: media type, bit 17: full duplex");
 MODULE_PARM_DESC(full_duplex, "DP8381x full duplex setting(s) (1)");
 
 /*
@@ -348,7 +342,7 @@ IVc. Errata
 None characterised.
 */
 
-
+
 
 enum pcistuff {
 	PCI_USES_IO = 0x01,
@@ -634,32 +628,36 @@ enum desc_status_bits {
 };
 
 struct netdev_private {
-	/* Descriptor rings first for alignment. */
+	/* Descriptor rings first for alignment */
 	dma_addr_t ring_dma;
-	struct netdev_desc* rx_ring;
-	struct netdev_desc* tx_ring;
-	/* The addresses of receive-in-place skbuffs. */
-	struct sk_buff* rx_skbuff[RX_RING_SIZE];
+	struct netdev_desc *rx_ring;
+	struct netdev_desc *tx_ring;
+	/* The addresses of receive-in-place skbuffs */
+	struct sk_buff *rx_skbuff[RX_RING_SIZE];
 	dma_addr_t rx_dma[RX_RING_SIZE];
-	/* The saved address of a sent-in-place packet/buffer, for later free(). */
-	struct sk_buff* tx_skbuff[TX_RING_SIZE];
+	/* address of a sent-in-place packet/buffer, for later free() */
+	struct sk_buff *tx_skbuff[TX_RING_SIZE];
 	dma_addr_t tx_dma[TX_RING_SIZE];
 	struct net_device_stats stats;
-	struct timer_list timer;	/* Media monitoring timer. */
-	/* Frequently used values: keep some adjacent for cache effect. */
+	/* Media monitoring timer */
+	struct timer_list timer;
+	/* Frequently used values: keep some adjacent for cache effect */
 	struct pci_dev *pci_dev;
 	struct netdev_desc *rx_head_desc;
-	unsigned int cur_rx, dirty_rx;		/* Producer/consumer ring indices */
+	/* Producer/consumer ring indices */
+	unsigned int cur_rx, dirty_rx;
 	unsigned int cur_tx, dirty_tx;
-	unsigned int rx_buf_sz;				/* Based on MTU+slack. */
+	/* Based on MTU+slack. */
+	unsigned int rx_buf_sz;
 	int oom;
-	int hands_off;		/* Do not touch the nic registers */
-	/* These values are keep track of the transceiver/media in use. */
+	/* Do not touch the nic registers */
+	int hands_off;
+	/* These values are keep track of the transceiver/media in use */
 	unsigned int full_duplex;
-	/* Rx filter. */
+	/* Rx filter */
 	u32 cur_rx_mode;
 	u32 rx_filter[16];
-	/* FIFO and PCI burst thresholds. */
+	/* FIFO and PCI burst thresholds */
 	u32 tx_config, rx_config;
 	/* original contents of ClkRun register */
 	u32 SavedClkRun;
@@ -667,8 +665,8 @@ struct netdev_private {
 	u32 srr;
 	/* expected DSPCFG value */
 	u16 dspcfg;
-	/* MII transceiver section. */
-	u16 advertising; /* NWay media advertisement */
+	/* MII transceiver section */
+	u16 advertising;
 	unsigned int iosize;
 	spinlock_t lock;
 	u32 msg_enable;
@@ -715,7 +713,7 @@ static int netdev_close(struct net_device *dev);
 static int netdev_get_regs(struct net_device *dev, u8 *buf);
 static int netdev_get_eeprom(struct net_device *dev, u8 *buf);
 
-
+
 static int __devinit natsemi_probe1 (struct pci_dev *pdev,
 	const struct pci_device_id *ent)
 {
@@ -857,7 +855,8 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
 		printk(KERN_INFO "%s: Transceiver default autonegotiation %s "
 			"10%s %s duplex.\n",
 			dev->name,
-			   chip_config & CfgAnegEnable ? "enabled, advertise" : "disabled, force",
+			chip_config & CfgAnegEnable ?
+			  "enabled, advertise" : "disabled, force",
 			chip_config & CfgAneg100 ? "0" : "",
 			chip_config & CfgAnegFull ? "full" : "half");
 	}
@@ -877,7 +876,7 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
 	return 0;
 }
 
-
+
 /* Read the EEPROM and MII Management Data I/O (MDIO) interfaces.
    The EEPROM code is for the common 93c06/46 EEPROMs with 6 bit addresses. */
 
@@ -932,8 +931,8 @@ static int eeprom_read(long addr, int location)
 }
 
 /* MII transceiver control section.
-	The 83815 series has an internal transceiver, and we present the
-	management registers as if they were MII connected. */
+ * The 83815 series has an internal transceiver, and we present the
+ * management registers as if they were MII connected. */
 
 static int mdio_read(struct net_device *dev, int phy_id, int reg)
 {
@@ -1030,7 +1029,6 @@ static void natsemi_reset(struct net_device *dev)
 	}
 	/* restore RFCR */
 	writel(rfcr, dev->base_addr + RxFilterAddr);
-	
 }
 
 static void natsemi_reload_eeprom(struct net_device *dev)
@@ -1543,8 +1541,7 @@ static void drain_ring(struct net_device *dev)
 		np->rx_ring[i].addr = 0xBADF00D0; /* An invalid address. */
 		if (np->rx_skbuff[i]) {
 			pci_unmap_single(np->pci_dev,
-						np->rx_dma[i],
-						np->rx_skbuff[i]->len,
+				np->rx_dma[i], np->rx_skbuff[i]->len,
 				PCI_DMA_FROMDEVICE);
 			dev_kfree_skb(np->rx_skbuff[i]);
 		}
@@ -1647,7 +1644,8 @@ static void netdev_tx_done(struct net_device *dev)
 			np->stats.tx_packets++;
 			np->stats.tx_bytes += np->tx_skbuff[entry]->len;
 		} else { /* Various Tx errors */
-			int tx_status = le32_to_cpu(np->tx_ring[entry].cmd_status);
+			int tx_status =
+				le32_to_cpu(np->tx_ring[entry].cmd_status);
 			if (tx_status & (DescTxAbort|DescTxExcColl))
 				np->stats.tx_aborted_errors++;
 			if (tx_status & DescTxFIFO)
@@ -1688,8 +1686,10 @@ static void intr_handler(int irq, void *dev_instance, struct pt_regs *rgs)
 		u32 intr_status = readl(ioaddr + IntrStatus);
 
 		if (netif_msg_intr(np))
-			printk(KERN_DEBUG "%s: Interrupt, status %#08x, mask %#08x.\n",
-				   dev->name, intr_status, readl(ioaddr + IntrMask));
+			printk(KERN_DEBUG
+				"%s: Interrupt, status %#08x, mask %#08x.\n",
+				dev->name, intr_status,
+				readl(ioaddr + IntrMask));
 
 		if (intr_status == 0)
 			break;
@@ -1715,7 +1715,8 @@ static void intr_handler(int irq, void *dev_instance, struct pt_regs *rgs)
 			if (netif_msg_intr(np))
 				printk(KERN_WARNING
 					"%s: Too much work at interrupt, "
-				    "status=%#08x.\n", dev->name, intr_status);
+					"status=%#08x.\n",
+					dev->name, intr_status);
 			break;
 		}
 	} while (1);
@@ -1772,16 +1773,19 @@ static void netdev_rx(struct net_device *dev)
 			if (pkt_len < rx_copybreak
 			    && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
 				skb->dev = dev;
-				skb_reserve(skb, 2);	/* 16 byte align the IP header */
-				pci_dma_sync_single(np->pci_dev, np->rx_dma[entry],
+				/* 16 byte align the IP header */
+				skb_reserve(skb, 2);
+				pci_dma_sync_single(np->pci_dev,
+					np->rx_dma[entry],
 					np->rx_skbuff[entry]->len,
 					PCI_DMA_FROMDEVICE);
 #if HAS_IP_COPYSUM
-				eth_copy_and_sum(skb, np->rx_skbuff[entry]->tail, pkt_len, 0);
+				eth_copy_and_sum(skb,
+					np->rx_skbuff[entry]->tail, pkt_len, 0);
 				skb_put(skb, pkt_len);
 #else
-				memcpy(skb_put(skb, pkt_len), np->rx_skbuff[entry]->tail,
-					   pkt_len);
+				memcpy(skb_put(skb, pkt_len),
+					np->rx_skbuff[entry]->tail, pkt_len);
 #endif
 			} else {
 				pci_unmap_single(np->pci_dev, np->rx_dma[entry],
@@ -1791,7 +1795,6 @@ static void netdev_rx(struct net_device *dev)
 				np->rx_skbuff[entry] = NULL;
 			}
 			skb->protocol = eth_type_trans(skb, dev);
-			/* W/ hardware checksum: skb->ip_summed = CHECKSUM_UNNECESSARY; */
 			netif_rx(skb);
 			dev->last_rx = jiffies;
 			np->stats.rx_packets++;
@@ -1950,7 +1953,8 @@ static void __set_rx_mode(struct net_device *dev)
 		memset(mc_filter, 0, sizeof(mc_filter));
 		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
 			 i++, mclist = mclist->next) {
-			set_bit_le(dp83815_crc(ETH_ALEN, mclist->dmi_addr) & 0x1ff,
+			set_bit_le(
+				dp83815_crc(ETH_ALEN, mclist->dmi_addr) & 0x1ff,
 				mc_filter);
 		}
 		rx_mode = RxFilterEnable | AcceptBroadcast
@@ -2566,7 +2570,7 @@ static int netdev_close(struct net_device *dev)
 	return 0;
 }
 
-
+
 static void __devexit natsemi_remove1 (struct pci_dev *pdev)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);