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[PATCH] 3c59x: use mii_check_media

Browse source 
Check for media changes and netif_carrier by using mii_check_media() if mii is
used.

Signed-off-by: Steffen Klassert <klassert@mathematik.tu-chemnitz.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Steffen Klassert 2006-03-26 01:37:39 -08:00 committed by Linus Torvalds
parent 33644c5e15
commit 125d5ce8a4
1 changed files with 49 additions and 77 deletions
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126
drivers/net/3c59x.c
View file

@ -1335,7 +1335,7 @@ static int __devinit vortex_probe1(struct device *gendev,
vp->enable_wol = 1;
}
vp->force_fd = vp->full_duplex;
vp->mii.force_media = vp->full_duplex;
vp->options = option;
/* Read the station address from the EEPROM. */
EL3WINDOW(0);
@ -1624,6 +1624,46 @@ issue_and_wait(struct net_device *dev, int cmd)
dev->name, cmd, ioread16(ioaddr + EL3_STATUS));
}
static void
vortex_set_duplex(struct net_device *dev)
{
struct vortex_private *vp = netdev_priv(dev);
void __iomem *ioaddr = vp->ioaddr;
printk(KERN_INFO "%s: setting %s-duplex.\n",
dev->name, (vp->full_duplex) ? "full" : "half");
EL3WINDOW(3);
/* Set the full-duplex bit. */
iowrite16(((vp->info1 & 0x8000) || vp->full_duplex ? 0x20 : 0) |
(vp->large_frames ? 0x40 : 0) |
((vp->full_duplex && vp->flow_ctrl && vp->partner_flow_ctrl) ?
0x100 : 0),
ioaddr + Wn3_MAC_Ctrl);
issue_and_wait(dev, TxReset);
/*
* Don't reset the PHY - that upsets autonegotiation during DHCP operations.
*/
issue_and_wait(dev, RxReset|0x04);
}
static void vortex_check_media(struct net_device *dev, unsigned int init)
{
struct vortex_private *vp = netdev_priv(dev);
unsigned int ok_to_print = 0;
if (vortex_debug > 3)
ok_to_print = 1;
if (mii_check_media(&vp->mii, ok_to_print, init)) {
vp->full_duplex = vp->mii.full_duplex;
vortex_set_duplex(dev);
} else if (init) {
vortex_set_duplex(dev);
}
}
static void
vortex_up(struct net_device *dev)
{
@ -1684,53 +1724,20 @@ vortex_up(struct net_device *dev)
printk(KERN_DEBUG "%s: Initial media type %s.\n",
dev->name, media_tbl[dev->if_port].name);
vp->full_duplex = vp->force_fd;
vp->full_duplex = vp->mii.force_media;
config = BFINS(config, dev->if_port, 20, 4);
if (vortex_debug > 6)
printk(KERN_DEBUG "vortex_up(): writing 0x%x to InternalConfig\n", config);
iowrite32(config, ioaddr + Wn3_Config);
netif_carrier_off(dev);
if (dev->if_port == XCVR_MII || dev->if_port == XCVR_NWAY) {
int mii_reg1, mii_reg5;
EL3WINDOW(4);
/* Read BMSR (reg1) only to clear old status. */
mii_reg1 = mdio_read(dev, vp->phys[0], MII_BMSR);
mii_reg5 = mdio_read(dev, vp->phys[0], MII_LPA);
if (mii_reg5 == 0xffff || mii_reg5 == 0x0000) {
netif_carrier_off(dev); /* No MII device or no link partner report */
} else {
mii_reg5 &= vp->advertising;
if ((mii_reg5 & 0x0100) != 0 /* 100baseTx-FD */
|| (mii_reg5 & 0x00C0) == 0x0040) /* 10T-FD, but not 100-HD */
vp->full_duplex = 1;
netif_carrier_on(dev);
}
vp->partner_flow_ctrl = ((mii_reg5 & 0x0400) != 0);
if (vortex_debug > 1)
printk(KERN_INFO "%s: MII #%d status %4.4x, link partner capability %4.4x,"
" info1 %04x, setting %s-duplex.\n",
dev->name, vp->phys[0],
mii_reg1, mii_reg5,
vp->info1, ((vp->info1 & 0x8000) || vp->full_duplex) ? "full" : "half");
EL3WINDOW(3);
vortex_check_media(dev, 1);
}
else
vortex_set_duplex(dev);
/* Set the full-duplex bit. */
iowrite16( ((vp->info1 & 0x8000) || vp->full_duplex ? 0x20 : 0) |
(vp->large_frames ? 0x40 : 0) |
((vp->full_duplex && vp->flow_ctrl && vp->partner_flow_ctrl) ? 0x100 : 0),
ioaddr + Wn3_MAC_Ctrl);
if (vortex_debug > 1) {
printk(KERN_DEBUG "%s: vortex_up() InternalConfig %8.8x.\n",
dev->name, config);
}
issue_and_wait(dev, TxReset);
/*
* Don't reset the PHY - that upsets autonegotiation during DHCP operations.
*/
issue_and_wait(dev, RxReset|0x04);
iowrite16(SetStatusEnb | 0x00, ioaddr + EL3_CMD);
@ -1892,7 +1899,7 @@ vortex_timer(unsigned long data)
void __iomem *ioaddr = vp->ioaddr;
int next_tick = 60*HZ;
int ok = 0;
int media_status, mii_status, old_window;
int media_status, old_window;
if (vortex_debug > 2) {
printk(KERN_DEBUG "%s: Media selection timer tick happened, %s.\n",
@ -1924,44 +1931,9 @@ vortex_timer(unsigned long data)
break;
case XCVR_MII: case XCVR_NWAY:
{
spin_lock_bh(&vp->lock);
mii_status = mdio_read(dev, vp->phys[0], MII_BMSR);
if (!(mii_status & BMSR_LSTATUS)) {
/* Re-read to get actual link status */
mii_status = mdio_read(dev, vp->phys[0], MII_BMSR);
}
ok = 1;
if (vortex_debug > 2)
printk(KERN_DEBUG "%s: MII transceiver has status %4.4x.\n",
dev->name, mii_status);
if (mii_status & BMSR_LSTATUS) {
int mii_reg5 = mdio_read(dev, vp->phys[0], MII_LPA);
if (! vp->force_fd && mii_reg5 != 0xffff) {
int duplex;
mii_reg5 &= vp->advertising;
duplex = (mii_reg5&0x0100) || (mii_reg5 & 0x01C0) == 0x0040;
if (vp->full_duplex != duplex) {
vp->full_duplex = duplex;
printk(KERN_INFO "%s: Setting %s-duplex based on MII "
"#%d link partner capability of %4.4x.\n",
dev->name, vp->full_duplex ? "full" : "half",
vp->phys[0], mii_reg5);
/* Set the full-duplex bit. */
EL3WINDOW(3);
iowrite16( (vp->full_duplex ? 0x20 : 0) |
(vp->large_frames ? 0x40 : 0) |
((vp->full_duplex && vp->flow_ctrl && vp->partner_flow_ctrl) ? 0x100 : 0),
ioaddr + Wn3_MAC_Ctrl);
if (vortex_debug > 1)
printk(KERN_DEBUG "Setting duplex in Wn3_MAC_Ctrl\n");
/* AKPM: bug: should reset Tx and Rx after setting Duplex. Page 180 */
}
}
netif_carrier_on(dev);
} else {
netif_carrier_off(dev);
}
spin_lock_bh(&vp->lock);
vortex_check_media(dev, 0);
spin_unlock_bh(&vp->lock);
}
break;