forked from Minki/linux
[netdrvr uli526x] fix problems found in review
- s/DEVICE/net_device/ - improve formatting - remove dead code - check return value, in several areas
This commit is contained in:
Peer Chen
Jeff Garzik
parent
ea8f400c98
commit
945a787675
@ -56,8 +56,7 @@
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#define RX_ALLOC_SIZE 0x620
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#define ULI526X_RESET 1
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#define CR0_DEFAULT 0
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#define CR6_DEFAULT 0x00080000 /* HD */
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#define CR6_DEFAULT_A 0x22240000
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#define CR6_DEFAULT 0x22200000
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#define CR7_DEFAULT 0x180c1
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#define CR15_DEFAULT 0x06 /* TxJabber RxWatchdog */
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#define TDES0_ERR_MASK 0x4302 /* TXJT, LC, EC, FUE */
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@ -103,10 +102,13 @@
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#define SROM_V41_CODE 0x14
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#define SROM_CLK_WRITE(data, ioaddr) outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr);udelay(5);outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr);udelay(5);outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr);udelay(5);
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/* Sten Check */
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#define DEVICE net_device
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#define SROM_CLK_WRITE(data, ioaddr) \
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outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \
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udelay(5); \
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outl(data|CR9_SROM_READ|CR9_SRCS|CR9_SRCLK,ioaddr); \
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udelay(5); \
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outl(data|CR9_SROM_READ|CR9_SRCS,ioaddr); \
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udelay(5);
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/* Structure/enum declaration ------------------------------- */
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struct tx_desc {
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@ -123,7 +125,7 @@ struct rx_desc {
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struct uli526x_board_info {
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u32 chip_id; /* Chip vendor/Device ID */
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struct DEVICE *next_dev; /* next device */
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struct net_device *next_dev; /* next device */
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struct pci_dev *pdev; /* PCI device */
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spinlock_t lock;
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@ -212,22 +214,21 @@ static u32 uli526x_cr6_user_set;
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/* For module input parameter */
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static int debug;
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static u32 cr6set;
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static u32 m526x_id;
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static unsigned char mode = 8;
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/* function declaration ------------------------------------- */
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static int uli526x_open(struct DEVICE *);
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static int uli526x_start_xmit(struct sk_buff *, struct DEVICE *);
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static int uli526x_stop(struct DEVICE *);
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static struct net_device_stats * uli526x_get_stats(struct DEVICE *);
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static void uli526x_set_filter_mode(struct DEVICE *);
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static int uli526x_open(struct net_device *);
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static int uli526x_start_xmit(struct sk_buff *, struct net_device *);
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static int uli526x_stop(struct net_device *);
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static struct net_device_stats * uli526x_get_stats(struct net_device *);
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static void uli526x_set_filter_mode(struct net_device *);
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static struct ethtool_ops netdev_ethtool_ops;
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static u16 read_srom_word(long ,int);
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static irqreturn_t uli526x_interrupt(int , void *, struct pt_regs *);
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static u16 read_srom_word(long, int);
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static irqreturn_t uli526x_interrupt(int, void *, struct pt_regs *);
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static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long);
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static void allocate_rx_buffer(struct uli526x_board_info *);
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static void update_cr6(u32, unsigned long);
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static void send_filter_frame(struct DEVICE * ,int);
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static void send_filter_frame(struct net_device *, int);
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static u16 phy_read(unsigned long, u8, u8, u32);
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static u16 phy_readby_cr10(unsigned long, u8, u8);
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static void phy_write(unsigned long, u8, u8, u16, u32);
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@ -237,18 +238,18 @@ static u16 phy_read_1bit(unsigned long, u32);
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static u8 uli526x_sense_speed(struct uli526x_board_info *);
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static void uli526x_process_mode(struct uli526x_board_info *);
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static void uli526x_timer(unsigned long);
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static void uli526x_rx_packet(struct DEVICE *, struct uli526x_board_info *);
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static void uli526x_free_tx_pkt(struct DEVICE *, struct uli526x_board_info *);
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static void uli526x_rx_packet(struct net_device *, struct uli526x_board_info *);
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static void uli526x_free_tx_pkt(struct net_device *, struct uli526x_board_info *);
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static void uli526x_reuse_skb(struct uli526x_board_info *, struct sk_buff *);
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static void uli526x_dynamic_reset(struct DEVICE *);
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static void uli526x_dynamic_reset(struct net_device *);
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static void uli526x_free_rxbuffer(struct uli526x_board_info *);
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static void uli526x_init(struct DEVICE *);
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static void uli526x_init(struct net_device *);
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static void uli526x_set_phyxcer(struct uli526x_board_info *);
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/* ULI526X network baord routine ---------------------------- */
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/* ULI526X network board routine ---------------------------- */
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/*
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* Search ULI526X board ,allocate space and register it
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* Search ULI526X board, allocate space and register it
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*/
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static int __devinit uli526x_init_one (struct pci_dev *pdev,
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@ -257,8 +258,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev,
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struct uli526x_board_info *db; /* board information structure */
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struct net_device *dev;
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int i, err;
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u32 configval;
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ULI526X_DBUG(0, "uli526x_init_one()", 0);
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if (!printed_version++)
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@ -271,7 +271,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev,
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SET_MODULE_OWNER(dev);
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SET_NETDEV_DEV(dev, &pdev->dev);
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if (pci_set_dma_mask(pdev, 0xffffffff)) {
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if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
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printk(KERN_WARNING DRV_NAME ": 32-bit PCI DMA not available.\n");
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err = -ENODEV;
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goto err_out_free;
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@ -300,23 +300,23 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev,
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goto err_out_disable;
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}
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//add by clearzhang 2004/7/8
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pci_read_config_dword(pdev,0x0,&configval);
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m526x_id = configval;
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if(configval == 0x526310b9)
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{
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//printk("is m5263\n");
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pci_read_config_dword(pdev,0x0c,&configval);
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configval = ((configval & 0xffff00ff) | 0x8000);
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pci_write_config_dword(pdev,0x0c,configval);
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}
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/* Init system & device */
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db = netdev_priv(dev);
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/* Allocate Tx/Rx descriptor memory */
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db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
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if(db->desc_pool_ptr == NULL)
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{
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err = -ENOMEM;
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goto err_out_nomem;
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}
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db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
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if(db->buf_pool_ptr == NULL)
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{
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err = -ENOMEM;
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goto err_out_nomem;
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}
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db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr;
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db->first_tx_desc_dma = db->desc_pool_dma_ptr;
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db->buf_pool_start = db->buf_pool_ptr;
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@ -347,7 +347,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev,
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((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i));
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/* Set Node address */
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if(((u16 *) db->srom)[0] == 0xffff) /* SROM absent, so read MAC address from ID Table */
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if(((u16 *) db->srom)[0] == 0xffff || ((u16 *) db->srom)[0] == 0) /* SROM absent, so read MAC address from ID Table */
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{
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outl(0x10000, db->ioaddr + DCR0); //Diagnosis mode
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outl(0x1c0, db->ioaddr + DCR13); //Reset dianostic pointer port
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@ -385,6 +385,14 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev,
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err_out_res:
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pci_release_regions(pdev);
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err_out_nomem:
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if(db->desc_pool_ptr)
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pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
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db->desc_pool_ptr, db->desc_pool_dma_ptr);
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if(db->buf_pool_ptr != NULL)
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pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
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db->buf_pool_ptr, db->buf_pool_dma_ptr);
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err_out_disable:
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pci_disable_device(pdev);
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err_out_free:
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@ -402,32 +410,30 @@ static void __devexit uli526x_remove_one (struct pci_dev *pdev)
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ULI526X_DBUG(0, "uli526x_remove_one()", 0);
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if (dev) {
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pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
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DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
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db->desc_pool_dma_ptr);
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pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
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db->buf_pool_ptr, db->buf_pool_dma_ptr);
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unregister_netdev(dev);
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pci_release_regions(pdev);
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free_netdev(dev); /* free board information */
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pci_set_drvdata(pdev, NULL);
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}
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pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
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DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
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db->desc_pool_dma_ptr);
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pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
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db->buf_pool_ptr, db->buf_pool_dma_ptr);
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unregister_netdev(dev);
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pci_release_regions(pdev);
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free_netdev(dev); /* free board information */
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pci_set_drvdata(pdev, NULL);
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pci_disable_device(pdev);
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ULI526X_DBUG(0, "uli526x_remove_one() exit", 0);
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}
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/*
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* Open the interface.
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* The interface is opened whenever "ifconfig" actives it.
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* The interface is opened whenever "ifconfig" activates it.
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*/
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static int uli526x_open(struct DEVICE *dev)
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static int uli526x_open(struct net_device *dev)
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{
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int ret;
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struct uli526x_board_info *db = netdev_priv(dev);
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ULI526X_DBUG(0, "uli526x_open", 0);
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ret = request_irq(dev->irq, &uli526x_interrupt, SA_SHIRQ, dev->name, dev);
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@ -436,11 +442,6 @@ static int uli526x_open(struct DEVICE *dev)
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/* system variable init */
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db->cr6_data = CR6_DEFAULT | uli526x_cr6_user_set;
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if(m526x_id == 0x526310b9)
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{
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//printk("is 5263\n");
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db->cr6_data = CR6_DEFAULT_A | uli526x_cr6_user_set;
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}
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db->tx_packet_cnt = 0;
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db->rx_avail_cnt = 0;
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db->link_failed = 1;
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@ -454,7 +455,7 @@ static int uli526x_open(struct DEVICE *dev)
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db->cr6_data |= ULI526X_TXTH_256;
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db->cr0_data = CR0_DEFAULT;
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/* Initilize ULI526X board */
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/* Initialize ULI526X board */
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uli526x_init(dev);
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/* Active System Interface */
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@ -471,14 +472,14 @@ static int uli526x_open(struct DEVICE *dev)
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}
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/* Initilize ULI526X board
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/* Initialize ULI526X board
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* Reset ULI526X board
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* Initilize TX/Rx descriptor chain structure
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* Initialize TX/Rx descriptor chain structure
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* Send the set-up frame
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* Enable Tx/Rx machine
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*/
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static void uli526x_init(struct DEVICE *dev)
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static void uli526x_init(struct net_device *dev)
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{
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struct uli526x_board_info *db = netdev_priv(dev);
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unsigned long ioaddr = db->ioaddr;
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@ -510,11 +511,6 @@ static void uli526x_init(struct DEVICE *dev)
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/* Parser SROM and media mode */
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db->media_mode = uli526x_media_mode;
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//add by clearzhang 2004/7/8
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/* RESET Phyxcer Chip by GPR port bit 7 */
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//outl(0x180, ioaddr + DCR12); /* Let bit 7 output port */
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//outl(0x0, ioaddr + DCR12); /* Clear RESET signal */
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/* Phyxcer capability setting */
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phy_reg_reset = phy_read(db->ioaddr, db->phy_addr, 0, db->chip_id);
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phy_reg_reset = (phy_reg_reset | 0x8000);
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@ -528,7 +524,7 @@ static void uli526x_init(struct DEVICE *dev)
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if ( !(db->media_mode & ULI526X_AUTO) )
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db->op_mode = db->media_mode; /* Force Mode */
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/* Initiliaze Transmit/Receive decriptor and CR3/4 */
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/* Initialize Transmit/Receive decriptor and CR3/4 */
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uli526x_descriptor_init(db, ioaddr);
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/* Init CR6 to program M526X operation */
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@ -555,7 +551,7 @@ static void uli526x_init(struct DEVICE *dev)
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* Send a packet to media from the upper layer.
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*/
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static int uli526x_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
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static int uli526x_start_xmit(struct sk_buff *skb, struct net_device *dev)
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{
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struct uli526x_board_info *db = netdev_priv(dev);
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struct tx_desc *txptr;
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@ -621,7 +617,7 @@ static int uli526x_start_xmit(struct sk_buff *skb, struct DEVICE *dev)
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* The interface is stopped when it is brought.
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*/
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static int uli526x_stop(struct DEVICE *dev)
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static int uli526x_stop(struct net_device *dev)
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{
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struct uli526x_board_info *db = netdev_priv(dev);
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unsigned long ioaddr = dev->base_addr;
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@ -665,19 +661,16 @@ static int uli526x_stop(struct DEVICE *dev)
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static irqreturn_t uli526x_interrupt(int irq, void *dev_id, struct pt_regs *regs)
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{
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struct DEVICE *dev = dev_id;
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struct net_device *dev = dev_id;
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struct uli526x_board_info *db = netdev_priv(dev);
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unsigned long ioaddr = dev->base_addr;
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unsigned long flags;
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//ULI526X_DBUG(0, "uli526x_interrupt()", 0);
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if (!dev) {
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ULI526X_DBUG(1, "uli526x_interrupt() without DEVICE arg", 0);
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return IRQ_NONE;
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}
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//outl(0, ioaddr + DCR7);
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spin_lock_irqsave(&db->lock, flags);
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outl(0, ioaddr + DCR7);
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@ -690,9 +683,6 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id, struct pt_regs *regs
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return IRQ_HANDLED;
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}
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/* Disable all interrupt in CR7 to solve the interrupt edge problem */
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//outl(0, ioaddr + DCR7);
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/* Check system status */
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if (db->cr5_data & 0x2000) {
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/* system bus error happen */
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@ -727,10 +717,9 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id, struct pt_regs *regs
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* Free TX resource after TX complete
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*/
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static void uli526x_free_tx_pkt(struct DEVICE *dev, struct uli526x_board_info * db)
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static void uli526x_free_tx_pkt(struct net_device *dev, struct uli526x_board_info * db)
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{
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struct tx_desc *txptr;
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// unsigned long ioaddr = dev->base_addr;
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u32 tdes0;
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txptr = db->tx_remove_ptr;
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@ -787,7 +776,7 @@ static void uli526x_free_tx_pkt(struct DEVICE *dev, struct uli526x_board_info *
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* Receive the come packet and pass to upper layer
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*/
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static void uli526x_rx_packet(struct DEVICE *dev, struct uli526x_board_info * db)
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static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info * db)
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{
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struct rx_desc *rxptr;
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struct sk_buff *skb;
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@ -871,7 +860,7 @@ static void uli526x_rx_packet(struct DEVICE *dev, struct uli526x_board_info * db
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* Get statistics from driver.
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*/
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static struct net_device_stats * uli526x_get_stats(struct DEVICE *dev)
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static struct net_device_stats * uli526x_get_stats(struct net_device *dev)
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{
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struct uli526x_board_info *db = netdev_priv(dev);
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@ -884,7 +873,7 @@ static struct net_device_stats * uli526x_get_stats(struct DEVICE *dev)
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* Set ULI526X multicast address
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*/
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static void uli526x_set_filter_mode(struct DEVICE * dev)
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static void uli526x_set_filter_mode(struct net_device * dev)
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{
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struct uli526x_board_info *db = dev->priv;
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unsigned long flags;
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@ -916,34 +905,26 @@ static void uli526x_set_filter_mode(struct DEVICE * dev)
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static void
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ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd)
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{
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//struct e1000_hw *hw = &adapter->hw;
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{
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ecmd->supported = (SUPPORTED_10baseT_Half |
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SUPPORTED_10baseT_Full |
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SUPPORTED_100baseT_Half |
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SUPPORTED_100baseT_Full |
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SUPPORTED_Autoneg |
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SUPPORTED_MII);
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ecmd->supported = (SUPPORTED_10baseT_Half |
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SUPPORTED_10baseT_Full |
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SUPPORTED_100baseT_Half |
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SUPPORTED_100baseT_Full |
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SUPPORTED_Autoneg |
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SUPPORTED_MII);
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ecmd->advertising = (ADVERTISED_10baseT_Half |
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ADVERTISED_10baseT_Full |
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ADVERTISED_100baseT_Half |
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ADVERTISED_100baseT_Full |
|
||||
ADVERTISED_Autoneg |
|
||||
ADVERTISED_MII);
|
||||
ecmd->advertising = (ADVERTISED_10baseT_Half |
|
||||
ADVERTISED_10baseT_Full |
|
||||
ADVERTISED_100baseT_Half |
|
||||
ADVERTISED_100baseT_Full |
|
||||
ADVERTISED_Autoneg |
|
||||
ADVERTISED_MII);
|
||||
|
||||
|
||||
ecmd->port = PORT_MII;
|
||||
ecmd->phy_address = db->phy_addr;
|
||||
ecmd->port = PORT_MII;
|
||||
ecmd->phy_address = db->phy_addr;
|
||||
|
||||
ecmd->transceiver = XCVR_EXTERNAL;
|
||||
ecmd->transceiver = XCVR_EXTERNAL;
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
ecmd->speed = 10;
|
||||
ecmd->duplex = DUPLEX_HALF;
|
||||
|
||||
@ -965,8 +946,6 @@ ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd)
|
||||
{
|
||||
ecmd->autoneg = AUTONEG_ENABLE;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
static void netdev_get_drvinfo(struct net_device *dev,
|
||||
@ -1022,7 +1001,7 @@ static void uli526x_timer(unsigned long data)
|
||||
{
|
||||
u32 tmp_cr8;
|
||||
unsigned char tmp_cr12=0;
|
||||
struct DEVICE *dev = (struct DEVICE *) data;
|
||||
struct net_device *dev = (struct net_device *) data;
|
||||
struct uli526x_board_info *db = netdev_priv(dev);
|
||||
unsigned long flags;
|
||||
u8 TmpSpeed=10;
|
||||
@ -1135,10 +1114,10 @@ static void uli526x_timer(unsigned long data)
|
||||
* Stop ULI526X board
|
||||
* Free Tx/Rx allocated memory
|
||||
* Reset ULI526X board
|
||||
* Re-initilize ULI526X board
|
||||
* Re-initialize ULI526X board
|
||||
*/
|
||||
|
||||
static void uli526x_dynamic_reset(struct DEVICE *dev)
|
||||
static void uli526x_dynamic_reset(struct net_device *dev)
|
||||
{
|
||||
struct uli526x_board_info *db = netdev_priv(dev);
|
||||
|
||||
@ -1163,7 +1142,7 @@ static void uli526x_dynamic_reset(struct DEVICE *dev)
|
||||
db->init=1;
|
||||
db->wait_reset = 0;
|
||||
|
||||
/* Re-initilize ULI526X board */
|
||||
/* Re-initialize ULI526X board */
|
||||
uli526x_init(dev);
|
||||
|
||||
/* Restart upper layer interface */
|
||||
@ -1273,7 +1252,7 @@ static void uli526x_descriptor_init(struct uli526x_board_info *db, unsigned long
|
||||
|
||||
/*
|
||||
* Update CR6 value
|
||||
* Firstly stop ULI526X , then written value and start
|
||||
* Firstly stop ULI526X, then written value and start
|
||||
*/
|
||||
|
||||
static void update_cr6(u32 cr6_data, unsigned long ioaddr)
|
||||
@ -1286,10 +1265,10 @@ static void update_cr6(u32 cr6_data, unsigned long ioaddr)
|
||||
|
||||
/*
|
||||
* Send a setup frame for M5261/M5263
|
||||
* This setup frame initilize ULI526X address filter mode
|
||||
* This setup frame initialize ULI526X address filter mode
|
||||
*/
|
||||
|
||||
static void send_filter_frame(struct DEVICE *dev, int mc_cnt)
|
||||
static void send_filter_frame(struct net_device *dev, int mc_cnt)
|
||||
{
|
||||
struct uli526x_board_info *db = netdev_priv(dev);
|
||||
struct dev_mc_list *mcptr;
|
||||
@ -1718,7 +1697,7 @@ MODULE_PARM_DESC(mode, "ULi M5261/M5263: Bit 0: 10/100Mbps, bit 2: duplex, bit 8
|
||||
|
||||
/* Description:
|
||||
* when user used insmod to add module, system invoked init_module()
|
||||
* to initilize and register.
|
||||
* to register the services.
|
||||
*/
|
||||
|
||||
static int __init uli526x_init_module(void)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user