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net/pcmcia/3c589_cs: using netdev_info and friends where appropriate

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Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Kurz 2010-03-31 02:42:10 +00:00 committed by David S. Miller
parent e6b043d512
commit f64e96973a
1 changed files with 147 additions and 139 deletions
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286
drivers/net/pcmcia/3c589_cs.c
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@ -1,20 +1,20 @@
/*====================================================================== /*======================================================================
A PCMCIA ethernet driver for the 3com 3c589 card. A PCMCIA ethernet driver for the 3com 3c589 card.
Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
3c589_cs.c 1.162 2001/10/13 00:08:50 3c589_cs.c 1.162 2001/10/13 00:08:50
The network driver code is based on Donald Becker's 3c589 code: The network driver code is based on Donald Becker's 3c589 code:
Written 1994 by Donald Becker. Written 1994 by Donald Becker.
Copyright 1993 United States Government as represented by the Copyright 1993 United States Government as represented by the
Director, National Security Agency. This software may be used and Director, National Security Agency. This software may be used and
distributed according to the terms of the GNU General Public License, distributed according to the terms of the GNU General Public License,
incorporated herein by reference. incorporated herein by reference.
Donald Becker may be reached at becker@scyld.com Donald Becker may be reached at becker@scyld.com
Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk> Updated for 2.5.x by Alan Cox <alan@lxorguk.ukuu.org.uk>
======================================================================*/ ======================================================================*/
@ -69,31 +69,54 @@
/* The top five bits written to EL3_CMD are a command, the lower /* The top five bits written to EL3_CMD are a command, the lower
11 bits are the parameter, if applicable. */ 11 bits are the parameter, if applicable. */
enum c509cmd { enum c509cmd {
TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11, TotalReset = 0<<11,
RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, RxDiscard = 8<<11, SelectWindow = 1<<11,
TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11, StartCoax = 2<<11,
FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11, RxDisable = 3<<11,
SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11, RxEnable = 4<<11,
SetTxThreshold = 18<<11, SetTxStart = 19<<11, StatsEnable = 21<<11, RxReset = 5<<11,
StatsDisable = 22<<11, StopCoax = 23<<11, RxDiscard = 8<<11,
TxEnable = 9<<11,
TxDisable = 10<<11,
TxReset = 11<<11,
FakeIntr = 12<<11,
AckIntr = 13<<11,
SetIntrEnb = 14<<11,
SetStatusEnb = 15<<11,
SetRxFilter = 16<<11,
SetRxThreshold = 17<<11,
SetTxThreshold = 18<<11,
SetTxStart = 19<<11,
StatsEnable = 21<<11,
StatsDisable = 22<<11,
StopCoax = 23<<11
}; };
enum c509status { enum c509status {
IntLatch = 0x0001, AdapterFailure = 0x0002, TxComplete = 0x0004, IntLatch = 0x0001,
TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020, AdapterFailure = 0x0002,
IntReq = 0x0040, StatsFull = 0x0080, CmdBusy = 0x1000 TxComplete = 0x0004,
TxAvailable = 0x0008,
RxComplete = 0x0010,
RxEarly = 0x0020,
IntReq = 0x0040,
StatsFull = 0x0080,
CmdBusy = 0x1000
}; };
/* The SetRxFilter command accepts the following classes: */ /* The SetRxFilter command accepts the following classes: */
enum RxFilter { enum RxFilter {
RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8 RxStation = 1,
RxMulticast = 2,
RxBroadcast = 4,
RxProm = 8
}; };
/* Register window 1 offsets, the window used in normal operation. */ /* Register window 1 offsets, the window used in normal operation. */
#define TX_FIFO 0x00 #define TX_FIFO 0x00
#define RX_FIFO 0x00 #define RX_FIFO 0x00
#define RX_STATUS 0x08 #define RX_STATUS 0x08
#define TX_STATUS 0x0B #define TX_STATUS 0x0B
#define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */ #define TX_FREE 0x0C /* Remaining free bytes in Tx buffer. */
#define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */ #define WN0_IRQ 0x08 /* Window 0: Set IRQ line in bits 12-15. */
@ -106,13 +129,13 @@ enum RxFilter {
struct el3_private { struct el3_private {
struct pcmcia_device *p_dev; struct pcmcia_device *p_dev;
dev_node_t node; dev_node_t node;
/* For transceiver monitoring */ /* For transceiver monitoring */
struct timer_list media; struct timer_list media;
u16 media_status; u16 media_status;
u16 fast_poll; u16 fast_poll;
unsigned long last_irq; unsigned long last_irq;
spinlock_t lock; spinlock_t lock;
}; };
static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" }; static const char *if_names[] = { "auto", "10baseT", "10base2", "AUI" };
@ -164,15 +187,15 @@ static void tc589_detach(struct pcmcia_device *p_dev);
======================================================================*/ ======================================================================*/
static const struct net_device_ops el3_netdev_ops = { static const struct net_device_ops el3_netdev_ops = {
.ndo_open = el3_open, .ndo_open = el3_open,
.ndo_stop = el3_close, .ndo_stop = el3_close,
.ndo_start_xmit = el3_start_xmit, .ndo_start_xmit = el3_start_xmit,
.ndo_tx_timeout = el3_tx_timeout, .ndo_tx_timeout = el3_tx_timeout,
.ndo_set_config = el3_config, .ndo_set_config = el3_config,
.ndo_get_stats = el3_get_stats, .ndo_get_stats = el3_get_stats,
.ndo_set_multicast_list = set_multicast_list, .ndo_set_multicast_list = set_multicast_list,
.ndo_change_mtu = eth_change_mtu, .ndo_change_mtu = eth_change_mtu,
.ndo_set_mac_address = eth_mac_addr, .ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr, .ndo_validate_addr = eth_validate_addr,
}; };
@ -236,7 +259,7 @@ static void tc589_detach(struct pcmcia_device *link)
tc589_config() is scheduled to run after a CARD_INSERTION event tc589_config() is scheduled to run after a CARD_INSERTION event
is received, to configure the PCMCIA socket, and to make the is received, to configure the PCMCIA socket, and to make the
ethernet device available to the system. ethernet device available to the system.
======================================================================*/ ======================================================================*/
static int tc589_config(struct pcmcia_device *link) static int tc589_config(struct pcmcia_device *link)
@ -249,7 +272,7 @@ static int tc589_config(struct pcmcia_device *link)
char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"}; char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
u8 *buf; u8 *buf;
size_t len; size_t len;
dev_dbg(&link->dev, "3c589_config\n"); dev_dbg(&link->dev, "3c589_config\n");
phys_addr = (__be16 *)dev->dev_addr; phys_addr = (__be16 *)dev->dev_addr;
@ -278,7 +301,7 @@ static int tc589_config(struct pcmcia_device *link)
ret = pcmcia_request_configuration(link, &link->conf); ret = pcmcia_request_configuration(link, &link->conf);
if (ret) if (ret)
goto failed; goto failed;
dev->irq = link->irq.AssignedIRQ; dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1; dev->base_addr = link->io.BasePort1;
ioaddr = dev->base_addr; ioaddr = dev->base_addr;
@ -312,7 +335,7 @@ static int tc589_config(struct pcmcia_device *link)
dev->if_port = if_port; dev->if_port = if_port;
else else
printk(KERN_ERR "3c589_cs: invalid if_port requested\n"); printk(KERN_ERR "3c589_cs: invalid if_port requested\n");
link->dev_node = &lp->node; link->dev_node = &lp->node;
SET_NETDEV_DEV(dev, &link->dev); SET_NETDEV_DEV(dev, &link->dev);
@ -324,13 +347,12 @@ static int tc589_config(struct pcmcia_device *link)
strcpy(lp->node.dev_name, dev->name); strcpy(lp->node.dev_name, dev->name);
printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, " netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
"hw_addr %pM\n", (multi ? "562" : "589"), dev->base_addr, dev->irq,
dev->name, (multi ? "562" : "589"), dev->base_addr, dev->irq, dev->dev_addr);
dev->dev_addr); netdev_info(dev, " %dK FIFO split %s Rx:Tx, %s xcvr\n",
printk(KERN_INFO " %dK FIFO split %s Rx:Tx, %s xcvr\n", (fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
(fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3], if_names[dev->if_port]);
if_names[dev->if_port]);
return 0; return 0;
failed: failed:
@ -343,7 +365,7 @@ static int tc589_config(struct pcmcia_device *link)
After a card is removed, tc589_release() will unregister the net After a card is removed, tc589_release() will unregister the net
device, and release the PCMCIA configuration. If the device is device, and release the PCMCIA configuration. If the device is
still open, this will be postponed until it is closed. still open, this will be postponed until it is closed.
======================================================================*/ ======================================================================*/
static void tc589_release(struct pcmcia_device *link) static void tc589_release(struct pcmcia_device *link)
@ -365,7 +387,7 @@ static int tc589_resume(struct pcmcia_device *link)
{ {
struct net_device *dev = link->priv; struct net_device *dev = link->priv;
if (link->open) { if (link->open) {
tc589_reset(dev); tc589_reset(dev);
netif_device_attach(dev); netif_device_attach(dev);
} }
@ -385,8 +407,7 @@ static void tc589_wait_for_completion(struct net_device *dev, int cmd)
while (--i > 0) while (--i > 0)
if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break; if (!(inw(dev->base_addr + EL3_STATUS) & 0x1000)) break;
if (i == 0) if (i == 0)
printk(KERN_WARNING "%s: command 0x%04x did not complete!\n", netdev_warn(dev, "command 0x%04x did not complete!\n", cmd);
dev->name, cmd);
} }
/* /*
@ -412,7 +433,7 @@ static void tc589_set_xcvr(struct net_device *dev, int if_port)
{ {
struct el3_private *lp = netdev_priv(dev); struct el3_private *lp = netdev_priv(dev);
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
EL3WINDOW(0); EL3WINDOW(0);
switch (if_port) { switch (if_port) {
case 0: case 1: outw(0, ioaddr + 6); break; case 0: case 1: outw(0, ioaddr + 6); break;
@ -435,14 +456,13 @@ static void dump_status(struct net_device *dev)
{ {
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
EL3WINDOW(1); EL3WINDOW(1);
printk(KERN_INFO " irq status %04x, rx status %04x, tx status " netdev_info(dev, " irq status %04x, rx status %04x, tx status %02x tx free %04x\n",
"%02x tx free %04x\n", inw(ioaddr+EL3_STATUS), inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS),
inw(ioaddr+RX_STATUS), inb(ioaddr+TX_STATUS), inb(ioaddr+TX_STATUS), inw(ioaddr+TX_FREE));
inw(ioaddr+TX_FREE));
EL3WINDOW(4); EL3WINDOW(4);
printk(KERN_INFO " diagnostics: fifo %04x net %04x ethernet %04x" netdev_info(dev, " diagnostics: fifo %04x net %04x ethernet %04x media %04x\n",
" media %04x\n", inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x04), inw(ioaddr+0x06), inw(ioaddr+0x08),
inw(ioaddr+0x08), inw(ioaddr+0x0a)); inw(ioaddr+0x0a));
EL3WINDOW(1); EL3WINDOW(1);
} }
@ -451,18 +471,18 @@ static void tc589_reset(struct net_device *dev)
{ {
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
int i; int i;
EL3WINDOW(0); EL3WINDOW(0);
outw(0x0001, ioaddr + 4); /* Activate board. */ outw(0x0001, ioaddr + 4); /* Activate board. */
outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */ outw(0x3f00, ioaddr + 8); /* Set the IRQ line. */
/* Set the station address in window 2. */ /* Set the station address in window 2. */
EL3WINDOW(2); EL3WINDOW(2);
for (i = 0; i < 6; i++) for (i = 0; i < 6; i++)
outb(dev->dev_addr[i], ioaddr + i); outb(dev->dev_addr[i], ioaddr + i);
tc589_set_xcvr(dev, dev->if_port); tc589_set_xcvr(dev, dev->if_port);
/* Switch to the stats window, and clear all stats by reading. */ /* Switch to the stats window, and clear all stats by reading. */
outw(StatsDisable, ioaddr + EL3_CMD); outw(StatsDisable, ioaddr + EL3_CMD);
EL3WINDOW(6); EL3WINDOW(6);
@ -470,7 +490,7 @@ static void tc589_reset(struct net_device *dev)
inb(ioaddr+i); inb(ioaddr+i);
inw(ioaddr + 10); inw(ioaddr + 10);
inw(ioaddr + 12); inw(ioaddr + 12);
/* Switch to register set 1 for normal use. */ /* Switch to register set 1 for normal use. */
EL3WINDOW(1); EL3WINDOW(1);
@ -504,8 +524,7 @@ static int el3_config(struct net_device *dev, struct ifmap *map)
if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) { if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
if (map->port <= 3) { if (map->port <= 3) {
dev->if_port = map->port; dev->if_port = map->port;
printk(KERN_INFO "%s: switched to %s port\n", netdev_info(dev, "switched to %s port\n", if_names[dev->if_port]);
dev->name, if_names[dev->if_port]);
tc589_set_xcvr(dev, dev->if_port); tc589_set_xcvr(dev, dev->if_port);
} else } else
return -EINVAL; return -EINVAL;
@ -517,13 +536,13 @@ static int el3_open(struct net_device *dev)
{ {
struct el3_private *lp = netdev_priv(dev); struct el3_private *lp = netdev_priv(dev);
struct pcmcia_device *link = lp->p_dev; struct pcmcia_device *link = lp->p_dev;
if (!pcmcia_dev_present(link)) if (!pcmcia_dev_present(link))
return -ENODEV; return -ENODEV;
link->open++; link->open++;
netif_start_queue(dev); netif_start_queue(dev);
tc589_reset(dev); tc589_reset(dev);
init_timer(&lp->media); init_timer(&lp->media);
lp->media.function = &media_check; lp->media.function = &media_check;
@ -533,15 +552,15 @@ static int el3_open(struct net_device *dev)
dev_dbg(&link->dev, "%s: opened, status %4.4x.\n", dev_dbg(&link->dev, "%s: opened, status %4.4x.\n",
dev->name, inw(dev->base_addr + EL3_STATUS)); dev->name, inw(dev->base_addr + EL3_STATUS));
return 0; return 0;
} }
static void el3_tx_timeout(struct net_device *dev) static void el3_tx_timeout(struct net_device *dev)
{ {
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
printk(KERN_WARNING "%s: Transmit timed out!\n", dev->name); netdev_warn(dev, "Transmit timed out!\n");
dump_status(dev); dump_status(dev);
dev->stats.tx_errors++; dev->stats.tx_errors++;
dev->trans_start = jiffies; dev->trans_start = jiffies;
@ -555,19 +574,18 @@ static void pop_tx_status(struct net_device *dev)
{ {
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
int i; int i;
/* Clear the Tx status stack. */ /* Clear the Tx status stack. */
for (i = 32; i > 0; i--) { for (i = 32; i > 0; i--) {
u_char tx_status = inb(ioaddr + TX_STATUS); u_char tx_status = inb(ioaddr + TX_STATUS);
if (!(tx_status & 0x84)) break; if (!(tx_status & 0x84)) break;
/* reset transmitter on jabber error or underrun */ /* reset transmitter on jabber error or underrun */
if (tx_status & 0x30) if (tx_status & 0x30)
tc589_wait_for_completion(dev, TxReset); tc589_wait_for_completion(dev, TxReset);
if (tx_status & 0x38) { if (tx_status & 0x38) {
pr_debug("%s: transmit error: status 0x%02x\n", netdev_dbg(dev, "transmit error: status 0x%02x\n", tx_status);
dev->name, tx_status); outw(TxEnable, ioaddr + EL3_CMD);
outw(TxEnable, ioaddr + EL3_CMD); dev->stats.tx_aborted_errors++;
dev->stats.tx_aborted_errors++;
} }
outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */ outb(0x00, ioaddr + TX_STATUS); /* Pop the status stack. */
} }
@ -580,11 +598,10 @@ static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
struct el3_private *priv = netdev_priv(dev); struct el3_private *priv = netdev_priv(dev);
unsigned long flags; unsigned long flags;
pr_debug("%s: el3_start_xmit(length = %ld) called, " netdev_dbg(dev, "el3_start_xmit(length = %ld) called, status %4.4x.\n",
"status %4.4x.\n", dev->name, (long)skb->len, (long)skb->len, inw(ioaddr + EL3_STATUS));
inw(ioaddr + EL3_STATUS));
spin_lock_irqsave(&priv->lock, flags); spin_lock_irqsave(&priv->lock, flags);
dev->stats.tx_bytes += skb->len; dev->stats.tx_bytes += skb->len;
@ -602,9 +619,9 @@ static netdev_tx_t el3_start_xmit(struct sk_buff *skb,
} }
pop_tx_status(dev); pop_tx_status(dev);
spin_unlock_irqrestore(&priv->lock, flags); spin_unlock_irqrestore(&priv->lock, flags);
dev_kfree_skb(skb); dev_kfree_skb(skb);
return NETDEV_TX_OK; return NETDEV_TX_OK;
} }
@ -616,37 +633,32 @@ static irqreturn_t el3_interrupt(int irq, void *dev_id)
unsigned int ioaddr; unsigned int ioaddr;
__u16 status; __u16 status;
int i = 0, handled = 1; int i = 0, handled = 1;
if (!netif_device_present(dev)) if (!netif_device_present(dev))
return IRQ_NONE; return IRQ_NONE;
ioaddr = dev->base_addr; ioaddr = dev->base_addr;
pr_debug("%s: interrupt, status %4.4x.\n", netdev_dbg(dev, "interrupt, status %4.4x.\n", inw(ioaddr + EL3_STATUS));
dev->name, inw(ioaddr + EL3_STATUS));
spin_lock(&lp->lock); spin_lock(&lp->lock);
while ((status = inw(ioaddr + EL3_STATUS)) & while ((status = inw(ioaddr + EL3_STATUS)) &
(IntLatch | RxComplete | StatsFull)) { (IntLatch | RxComplete | StatsFull)) {
if ((status & 0xe000) != 0x2000) { if ((status & 0xe000) != 0x2000) {
pr_debug("%s: interrupt from dead card\n", dev->name); netdev_dbg(dev, "interrupt from dead card\n");
handled = 0; handled = 0;
break; break;
} }
if (status & RxComplete) if (status & RxComplete)
el3_rx(dev); el3_rx(dev);
if (status & TxAvailable) { if (status & TxAvailable) {
pr_debug(" TX room bit was handled.\n"); netdev_dbg(dev, " TX room bit was handled.\n");
/* There's room in the FIFO for a full-sized packet. */ /* There's room in the FIFO for a full-sized packet. */
outw(AckIntr | TxAvailable, ioaddr + EL3_CMD); outw(AckIntr | TxAvailable, ioaddr + EL3_CMD);
netif_wake_queue(dev); netif_wake_queue(dev);
} }
if (status & TxComplete) if (status & TxComplete)
pop_tx_status(dev); pop_tx_status(dev);
if (status & (AdapterFailure | RxEarly | StatsFull)) { if (status & (AdapterFailure | RxEarly | StatsFull)) {
/* Handle all uncommon interrupts. */ /* Handle all uncommon interrupts. */
if (status & StatsFull) /* Empty statistics. */ if (status & StatsFull) /* Empty statistics. */
@ -660,8 +672,8 @@ static irqreturn_t el3_interrupt(int irq, void *dev_id)
EL3WINDOW(4); EL3WINDOW(4);
fifo_diag = inw(ioaddr + 4); fifo_diag = inw(ioaddr + 4);
EL3WINDOW(1); EL3WINDOW(1);
printk(KERN_WARNING "%s: adapter failure, FIFO diagnostic" netdev_warn(dev, "adapter failure, FIFO diagnostic register %04x.\n",
" register %04x.\n", dev->name, fifo_diag); fifo_diag);
if (fifo_diag & 0x0400) { if (fifo_diag & 0x0400) {
/* Tx overrun */ /* Tx overrun */
tc589_wait_for_completion(dev, TxReset); tc589_wait_for_completion(dev, TxReset);
@ -676,22 +688,20 @@ static irqreturn_t el3_interrupt(int irq, void *dev_id)
outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD); outw(AckIntr | AdapterFailure, ioaddr + EL3_CMD);
} }
} }
if (++i > 10) { if (++i > 10) {
printk(KERN_ERR "%s: infinite loop in interrupt, " netdev_err(dev, "infinite loop in interrupt, status %4.4x.\n",
"status %4.4x.\n", dev->name, status); status);
/* Clear all interrupts */ /* Clear all interrupts */
outw(AckIntr | 0xFF, ioaddr + EL3_CMD); outw(AckIntr | 0xFF, ioaddr + EL3_CMD);
break; break;
} }
/* Acknowledge the IRQ. */ /* Acknowledge the IRQ. */
outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); outw(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD);
} }
lp->last_irq = jiffies; lp->last_irq = jiffies;
spin_unlock(&lp->lock); spin_unlock(&lp->lock);
pr_debug("%s: exiting interrupt, status %4.4x.\n", netdev_dbg(dev, "exiting interrupt, status %4.4x.\n",
dev->name, inw(ioaddr + EL3_STATUS)); inw(ioaddr + EL3_STATUS));
return IRQ_RETVAL(handled); return IRQ_RETVAL(handled);
} }
@ -710,7 +720,7 @@ static void media_check(unsigned long arg)
if ((inw(ioaddr + EL3_STATUS) & IntLatch) && if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
(inb(ioaddr + EL3_TIMER) == 0xff)) { (inb(ioaddr + EL3_TIMER) == 0xff)) {
if (!lp->fast_poll) if (!lp->fast_poll)
printk(KERN_WARNING "%s: interrupt(s) dropped!\n", dev->name); netdev_warn(dev, "interrupt(s) dropped!\n");
local_irq_save(flags); local_irq_save(flags);
el3_interrupt(dev->irq, dev); el3_interrupt(dev->irq, dev);
@ -727,7 +737,7 @@ static void media_check(unsigned long arg)
/* lp->lock guards the EL3 window. Window should always be 1 except /* lp->lock guards the EL3 window. Window should always be 1 except
when the lock is held */ when the lock is held */
spin_lock_irqsave(&lp->lock, flags); spin_lock_irqsave(&lp->lock, flags);
EL3WINDOW(4); EL3WINDOW(4);
media = inw(ioaddr+WN4_MEDIA) & 0xc810; media = inw(ioaddr+WN4_MEDIA) & 0xc810;
@ -747,32 +757,30 @@ static void media_check(unsigned long arg)
if (media != lp->media_status) { if (media != lp->media_status) {
if ((media & lp->media_status & 0x8000) && if ((media & lp->media_status & 0x8000) &&
((lp->media_status ^ media) & 0x0800)) ((lp->media_status ^ media) & 0x0800))
printk(KERN_INFO "%s: %s link beat\n", dev->name, netdev_info(dev, "%s link beat\n",
(lp->media_status & 0x0800 ? "lost" : "found")); (lp->media_status & 0x0800 ? "lost" : "found"));
else if ((media & lp->media_status & 0x4000) && else if ((media & lp->media_status & 0x4000) &&
((lp->media_status ^ media) & 0x0010)) ((lp->media_status ^ media) & 0x0010))
printk(KERN_INFO "%s: coax cable %s\n", dev->name, netdev_info(dev, "coax cable %s\n",
(lp->media_status & 0x0010 ? "ok" : "problem")); (lp->media_status & 0x0010 ? "ok" : "problem"));
if (dev->if_port == 0) { if (dev->if_port == 0) {
if (media & 0x8000) { if (media & 0x8000) {
if (media & 0x0800) if (media & 0x0800)
printk(KERN_INFO "%s: flipped to 10baseT\n", netdev_info(dev, "flipped to 10baseT\n");
dev->name);
else else
tc589_set_xcvr(dev, 2); tc589_set_xcvr(dev, 2);
} else if (media & 0x4000) { } else if (media & 0x4000) {
if (media & 0x0010) if (media & 0x0010)
tc589_set_xcvr(dev, 1); tc589_set_xcvr(dev, 1);
else else
printk(KERN_INFO "%s: flipped to 10base2\n", netdev_info(dev, "flipped to 10base2\n");
dev->name);
} }
} }
lp->media_status = media; lp->media_status = media;
} }
EL3WINDOW(1); EL3WINDOW(1);
spin_unlock_irqrestore(&lp->lock, flags); spin_unlock_irqrestore(&lp->lock, flags);
reschedule: reschedule:
lp->media.expires = jiffies + HZ; lp->media.expires = jiffies + HZ;
@ -786,7 +794,7 @@ static struct net_device_stats *el3_get_stats(struct net_device *dev)
struct pcmcia_device *link = lp->p_dev; struct pcmcia_device *link = lp->p_dev;
if (pcmcia_dev_present(link)) { if (pcmcia_dev_present(link)) {
spin_lock_irqsave(&lp->lock, flags); spin_lock_irqsave(&lp->lock, flags);
update_stats(dev); update_stats(dev);
spin_unlock_irqrestore(&lp->lock, flags); spin_unlock_irqrestore(&lp->lock, flags);
} }
@ -798,21 +806,21 @@ static struct net_device_stats *el3_get_stats(struct net_device *dev)
single-threaded if the device is active. This is expected to be a rare single-threaded if the device is active. This is expected to be a rare
operation, and it's simpler for the rest of the driver to assume that operation, and it's simpler for the rest of the driver to assume that
window 1 is always valid rather than use a special window-state variable. window 1 is always valid rather than use a special window-state variable.
Caller must hold the lock for this Caller must hold the lock for this
*/ */
static void update_stats(struct net_device *dev) static void update_stats(struct net_device *dev)
{ {
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
pr_debug("%s: updating the statistics.\n", dev->name); netdev_dbg(dev, "updating the statistics.\n");
/* Turn off statistics updates while reading. */ /* Turn off statistics updates while reading. */
outw(StatsDisable, ioaddr + EL3_CMD); outw(StatsDisable, ioaddr + EL3_CMD);
/* Switch to the stats window, and read everything. */ /* Switch to the stats window, and read everything. */
EL3WINDOW(6); EL3WINDOW(6);
dev->stats.tx_carrier_errors += inb(ioaddr + 0); dev->stats.tx_carrier_errors += inb(ioaddr + 0);
dev->stats.tx_heartbeat_errors += inb(ioaddr + 1); dev->stats.tx_heartbeat_errors += inb(ioaddr + 1);
/* Multiple collisions. */ inb(ioaddr + 2); /* Multiple collisions. */ inb(ioaddr + 2);
dev->stats.collisions += inb(ioaddr + 3); dev->stats.collisions += inb(ioaddr + 3);
dev->stats.tx_window_errors += inb(ioaddr + 4); dev->stats.tx_window_errors += inb(ioaddr + 4);
dev->stats.rx_fifo_errors += inb(ioaddr + 5); dev->stats.rx_fifo_errors += inb(ioaddr + 5);
@ -821,7 +829,7 @@ static void update_stats(struct net_device *dev)
/* Tx deferrals */ inb(ioaddr + 8); /* Tx deferrals */ inb(ioaddr + 8);
/* Rx octets */ inw(ioaddr + 10); /* Rx octets */ inw(ioaddr + 10);
/* Tx octets */ inw(ioaddr + 12); /* Tx octets */ inw(ioaddr + 12);
/* Back to window 1, and turn statistics back on. */ /* Back to window 1, and turn statistics back on. */
EL3WINDOW(1); EL3WINDOW(1);
outw(StatsEnable, ioaddr + EL3_CMD); outw(StatsEnable, ioaddr + EL3_CMD);
@ -832,9 +840,9 @@ static int el3_rx(struct net_device *dev)
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
int worklimit = 32; int worklimit = 32;
short rx_status; short rx_status;
pr_debug("%s: in rx_packet(), status %4.4x, rx_status %4.4x.\n", netdev_dbg(dev, "in rx_packet(), status %4.4x, rx_status %4.4x.\n",
dev->name, inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS)); inw(ioaddr+EL3_STATUS), inw(ioaddr+RX_STATUS));
while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) && while (!((rx_status = inw(ioaddr + RX_STATUS)) & 0x8000) &&
worklimit > 0) { worklimit > 0) {
worklimit--; worklimit--;
@ -852,11 +860,11 @@ static int el3_rx(struct net_device *dev)
} else { } else {
short pkt_len = rx_status & 0x7ff; short pkt_len = rx_status & 0x7ff;
struct sk_buff *skb; struct sk_buff *skb;
skb = dev_alloc_skb(pkt_len+5); skb = dev_alloc_skb(pkt_len+5);
pr_debug(" Receiving packet size %d status %4.4x.\n", netdev_dbg(dev, " Receiving packet size %d status %4.4x.\n",
pkt_len, rx_status); pkt_len, rx_status);
if (skb != NULL) { if (skb != NULL) {
skb_reserve(skb, 2); skb_reserve(skb, 2);
insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len), insl(ioaddr+RX_FIFO, skb_put(skb, pkt_len),
@ -866,8 +874,8 @@ static int el3_rx(struct net_device *dev)
dev->stats.rx_packets++; dev->stats.rx_packets++;
dev->stats.rx_bytes += pkt_len; dev->stats.rx_bytes += pkt_len;
} else { } else {
pr_debug("%s: couldn't allocate a sk_buff of" netdev_dbg(dev, "couldn't allocate a sk_buff of size %d.\n",
" size %d.\n", dev->name, pkt_len); pkt_len);
dev->stats.rx_dropped++; dev->stats.rx_dropped++;
} }
} }
@ -875,7 +883,7 @@ static int el3_rx(struct net_device *dev)
tc589_wait_for_completion(dev, RxDiscard); tc589_wait_for_completion(dev, RxDiscard);
} }
if (worklimit == 0) if (worklimit == 0)
printk(KERN_WARNING "%s: too much work in el3_rx!\n", dev->name); netdev_warn(dev, "too much work in el3_rx!\n");
return 0; return 0;
} }
@ -906,17 +914,17 @@ static int el3_close(struct net_device *dev)
struct el3_private *lp = netdev_priv(dev); struct el3_private *lp = netdev_priv(dev);
struct pcmcia_device *link = lp->p_dev; struct pcmcia_device *link = lp->p_dev;
unsigned int ioaddr = dev->base_addr; unsigned int ioaddr = dev->base_addr;
dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name); dev_dbg(&link->dev, "%s: shutting down ethercard.\n", dev->name);
if (pcmcia_dev_present(link)) { if (pcmcia_dev_present(link)) {
/* Turn off statistics ASAP. We update dev->stats below. */ /* Turn off statistics ASAP. We update dev->stats below. */
outw(StatsDisable, ioaddr + EL3_CMD); outw(StatsDisable, ioaddr + EL3_CMD);
/* Disable the receiver and transmitter. */ /* Disable the receiver and transmitter. */
outw(RxDisable, ioaddr + EL3_CMD); outw(RxDisable, ioaddr + EL3_CMD);
outw(TxDisable, ioaddr + EL3_CMD); outw(TxDisable, ioaddr + EL3_CMD);
if (dev->if_port == 2) if (dev->if_port == 2)
/* Turn off thinnet power. Green! */ /* Turn off thinnet power. Green! */
outw(StopCoax, ioaddr + EL3_CMD); outw(StopCoax, ioaddr + EL3_CMD);
@ -925,12 +933,12 @@ static int el3_close(struct net_device *dev)
EL3WINDOW(4); EL3WINDOW(4);
outw(0, ioaddr + WN4_MEDIA); outw(0, ioaddr + WN4_MEDIA);
} }
/* Switching back to window 0 disables the IRQ. */ /* Switching back to window 0 disables the IRQ. */
EL3WINDOW(0); EL3WINDOW(0);
/* But we explicitly zero the IRQ line select anyway. */ /* But we explicitly zero the IRQ line select anyway. */
outw(0x0f00, ioaddr + WN0_IRQ); outw(0x0f00, ioaddr + WN0_IRQ);
/* Check if the card still exists */ /* Check if the card still exists */
if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000) if ((inw(ioaddr+EL3_STATUS) & 0xe000) == 0x2000)
update_stats(dev); update_stats(dev);
@ -939,7 +947,7 @@ static int el3_close(struct net_device *dev)
link->open--; link->open--;
netif_stop_queue(dev); netif_stop_queue(dev);
del_timer_sync(&lp->media); del_timer_sync(&lp->media);
return 0; return 0;
} }
@ -961,7 +969,7 @@ static struct pcmcia_driver tc589_driver = {
}, },
.probe = tc589_probe, .probe = tc589_probe,
.remove = tc589_detach, .remove = tc589_detach,
.id_table = tc589_ids, .id_table = tc589_ids,
.suspend = tc589_suspend, .suspend = tc589_suspend,
.resume = tc589_resume, .resume = tc589_resume,
}; };