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path: root/drivers/net/dm9000.c
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Diffstat (limited to 'drivers/net/dm9000.c')
-rw-r--r--drivers/net/dm9000.c52
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 5fddc0ff8878..6440a892bb81 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -48,6 +48,10 @@
48 * net_device_stats 48 * net_device_stats
49 * * introduced tx_timeout function 49 * * introduced tx_timeout function
50 * * reworked locking 50 * * reworked locking
51 *
52 * 01-Jul-2005 Ben Dooks <ben@simtec.co.uk>
53 * * fixed spinlock call without pointer
54 * * ensure spinlock is initialised
51 */ 55 */
52 56
53#include <linux/module.h> 57#include <linux/module.h>
@@ -148,7 +152,6 @@ static int dm9000_probe(struct device *);
148static int dm9000_open(struct net_device *); 152static int dm9000_open(struct net_device *);
149static int dm9000_start_xmit(struct sk_buff *, struct net_device *); 153static int dm9000_start_xmit(struct sk_buff *, struct net_device *);
150static int dm9000_stop(struct net_device *); 154static int dm9000_stop(struct net_device *);
151static int dm9000_do_ioctl(struct net_device *, struct ifreq *, int);
152 155
153 156
154static void dm9000_timer(unsigned long); 157static void dm9000_timer(unsigned long);
@@ -322,7 +325,7 @@ static void dm9000_timeout(struct net_device *dev)
322 325
323 /* Save previous register address */ 326 /* Save previous register address */
324 reg_save = readb(db->io_addr); 327 reg_save = readb(db->io_addr);
325 spin_lock_irqsave(db->lock,flags); 328 spin_lock_irqsave(&db->lock,flags);
326 329
327 netif_stop_queue(dev); 330 netif_stop_queue(dev);
328 dm9000_reset(db); 331 dm9000_reset(db);
@@ -333,7 +336,7 @@ static void dm9000_timeout(struct net_device *dev)
333 336
334 /* Restore previous register address */ 337 /* Restore previous register address */
335 writeb(reg_save, db->io_addr); 338 writeb(reg_save, db->io_addr);
336 spin_unlock_irqrestore(db->lock,flags); 339 spin_unlock_irqrestore(&db->lock,flags);
337} 340}
338 341
339 342
@@ -387,8 +390,6 @@ dm9000_probe(struct device *dev)
387 int i; 390 int i;
388 u32 id_val; 391 u32 id_val;
389 392
390 printk(KERN_INFO "%s Ethernet Driver\n", CARDNAME);
391
392 /* Init network device */ 393 /* Init network device */
393 ndev = alloc_etherdev(sizeof (struct board_info)); 394 ndev = alloc_etherdev(sizeof (struct board_info));
394 if (!ndev) { 395 if (!ndev) {
@@ -405,6 +406,8 @@ dm9000_probe(struct device *dev)
405 db = (struct board_info *) ndev->priv; 406 db = (struct board_info *) ndev->priv;
406 memset(db, 0, sizeof (*db)); 407 memset(db, 0, sizeof (*db));
407 408
409 spin_lock_init(&db->lock);
410
408 if (pdev->num_resources < 2) { 411 if (pdev->num_resources < 2) {
409 ret = -ENODEV; 412 ret = -ENODEV;
410 goto out; 413 goto out;
@@ -541,7 +544,6 @@ dm9000_probe(struct device *dev)
541 ndev->stop = &dm9000_stop; 544 ndev->stop = &dm9000_stop;
542 ndev->get_stats = &dm9000_get_stats; 545 ndev->get_stats = &dm9000_get_stats;
543 ndev->set_multicast_list = &dm9000_hash_table; 546 ndev->set_multicast_list = &dm9000_hash_table;
544 ndev->do_ioctl = &dm9000_do_ioctl;
545 547
546#ifdef DM9000_PROGRAM_EEPROM 548#ifdef DM9000_PROGRAM_EEPROM
547 program_eeprom(db); 549 program_eeprom(db);
@@ -612,7 +614,7 @@ dm9000_open(struct net_device *dev)
612 614
613 /* set and active a timer process */ 615 /* set and active a timer process */
614 init_timer(&db->timer); 616 init_timer(&db->timer);
615 db->timer.expires = DM9000_TIMER_WUT * 2; 617 db->timer.expires = DM9000_TIMER_WUT;
616 db->timer.data = (unsigned long) dev; 618 db->timer.data = (unsigned long) dev;
617 db->timer.function = &dm9000_timer; 619 db->timer.function = &dm9000_timer;
618 add_timer(&db->timer); 620 add_timer(&db->timer);
@@ -845,15 +847,6 @@ dm9000_get_stats(struct net_device *dev)
845 return &db->stats; 847 return &db->stats;
846} 848}
847 849
848/*
849 * Process the upper socket ioctl command
850 */
851static int
852dm9000_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
853{
854 PRINTK1("entering %s\n",__FUNCTION__);
855 return 0;
856}
857 850
858/* 851/*
859 * A periodic timer routine 852 * A periodic timer routine
@@ -864,21 +857,11 @@ dm9000_timer(unsigned long data)
864{ 857{
865 struct net_device *dev = (struct net_device *) data; 858 struct net_device *dev = (struct net_device *) data;
866 board_info_t *db = (board_info_t *) dev->priv; 859 board_info_t *db = (board_info_t *) dev->priv;
867 u8 reg_save;
868 unsigned long flags;
869 860
870 PRINTK3("dm9000_timer()\n"); 861 PRINTK3("dm9000_timer()\n");
871 862
872 spin_lock_irqsave(db->lock,flags);
873 /* Save previous register address */
874 reg_save = readb(db->io_addr);
875
876 mii_check_media(&db->mii, netif_msg_link(db), 0); 863 mii_check_media(&db->mii, netif_msg_link(db), 0);
877 864
878 /* Restore previous register address */
879 writeb(reg_save, db->io_addr);
880 spin_unlock_irqrestore(db->lock,flags);
881
882 /* Set timer again */ 865 /* Set timer again */
883 db->timer.expires = DM9000_TIMER_WUT; 866 db->timer.expires = DM9000_TIMER_WUT;
884 add_timer(&db->timer); 867 add_timer(&db->timer);
@@ -1098,9 +1081,14 @@ dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
1098{ 1081{
1099 board_info_t *db = (board_info_t *) dev->priv; 1082 board_info_t *db = (board_info_t *) dev->priv;
1100 unsigned long flags; 1083 unsigned long flags;
1084 unsigned int reg_save;
1101 int ret; 1085 int ret;
1102 1086
1103 spin_lock_irqsave(&db->lock,flags); 1087 spin_lock_irqsave(&db->lock,flags);
1088
1089 /* Save previous register address */
1090 reg_save = readb(db->io_addr);
1091
1104 /* Fill the phyxcer register into REG_0C */ 1092 /* Fill the phyxcer register into REG_0C */
1105 iow(db, DM9000_EPAR, DM9000_PHY | reg); 1093 iow(db, DM9000_EPAR, DM9000_PHY | reg);
1106 1094
@@ -1111,6 +1099,9 @@ dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg)
1111 /* The read data keeps on REG_0D & REG_0E */ 1099 /* The read data keeps on REG_0D & REG_0E */
1112 ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL); 1100 ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL);
1113 1101
1102 /* restore the previous address */
1103 writeb(reg_save, db->io_addr);
1104
1114 spin_unlock_irqrestore(&db->lock,flags); 1105 spin_unlock_irqrestore(&db->lock,flags);
1115 1106
1116 return ret; 1107 return ret;
@@ -1124,9 +1115,13 @@ dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value)
1124{ 1115{
1125 board_info_t *db = (board_info_t *) dev->priv; 1116 board_info_t *db = (board_info_t *) dev->priv;
1126 unsigned long flags; 1117 unsigned long flags;
1118 unsigned long reg_save;
1127 1119
1128 spin_lock_irqsave(&db->lock,flags); 1120 spin_lock_irqsave(&db->lock,flags);
1129 1121
1122 /* Save previous register address */
1123 reg_save = readb(db->io_addr);
1124
1130 /* Fill the phyxcer register into REG_0C */ 1125 /* Fill the phyxcer register into REG_0C */
1131 iow(db, DM9000_EPAR, DM9000_PHY | reg); 1126 iow(db, DM9000_EPAR, DM9000_PHY | reg);
1132 1127
@@ -1138,6 +1133,9 @@ dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value)
1138 udelay(500); /* Wait write complete */ 1133 udelay(500); /* Wait write complete */
1139 iow(db, DM9000_EPCR, 0x0); /* Clear phyxcer write command */ 1134 iow(db, DM9000_EPCR, 0x0); /* Clear phyxcer write command */
1140 1135
1136 /* restore the previous address */
1137 writeb(reg_save, db->io_addr);
1138
1141 spin_unlock_irqrestore(&db->lock,flags); 1139 spin_unlock_irqrestore(&db->lock,flags);
1142} 1140}
1143 1141
@@ -1202,6 +1200,8 @@ static struct device_driver dm9000_driver = {
1202static int __init 1200static int __init
1203dm9000_init(void) 1201dm9000_init(void)
1204{ 1202{
1203 printk(KERN_INFO "%s Ethernet Driver\n", CARDNAME);
1204
1205 return driver_register(&dm9000_driver); /* search board and register */ 1205 return driver_register(&dm9000_driver); /* search board and register */
1206} 1206}
1207 1207