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sis190: fix gigabit negotiation 

Fixes an initialization error; the chip negotiates gigabit, but
the driver mistakenly handled it as 100Mb.
Changes based on both SiS own GPL driver and forcedeth.
Hopefully should fix
	http://bugzilla.kernel.org/show_bug.cgi?id=9735
	http://bugzilla.kernel.org/show_bug.cgi?id=11149

Signed-off-by: Riccardo Ghetta <birrachiara@tin.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Riccardo Ghetta 2009-06-04 09:05:20 +00:00 committed by David S. Miller
parent 856f8f41d4
commit 1feede014b
1 changed files with 24 additions and 11 deletions
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35
drivers/net/sis190.c
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@ -47,7 +47,7 @@
#define PHY_ID_ANY 0x1f
#define MII_REG_ANY 0x1f
#define DRV_VERSION "1.2"
#define DRV_VERSION "1.3"
#define DRV_NAME "sis190"
#define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION
#define PFX DRV_NAME ": "
@ -943,9 +943,9 @@ static void sis190_phy_task(struct work_struct *work)
u32 ctl;
const char *msg;
} reg31[] = {
{ LPA_1000XFULL | LPA_SLCT, 0x07000c00 | 0x00001000,
{ LPA_1000FULL, 0x07000c00 | 0x00001000,
"1000 Mbps Full Duplex" },
{ LPA_1000XHALF | LPA_SLCT, 0x07000c00,
{ LPA_1000HALF, 0x07000c00,
"1000 Mbps Half Duplex" },
{ LPA_100FULL, 0x04000800 | 0x00001000,
"100 Mbps Full Duplex" },
@ -956,22 +956,35 @@ static void sis190_phy_task(struct work_struct *work)
{ LPA_10HALF, 0x04000400,
"10 Mbps Half Duplex" },
{ 0, 0x04000400, "unknown" }
}, *p;
u16 adv;
}, *p = NULL;
u16 adv, autoexp, gigadv, gigrec;
val = mdio_read(ioaddr, phy_id, 0x1f);
net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val);
val = mdio_read(ioaddr, phy_id, MII_LPA);
adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE);
net_link(tp, KERN_INFO "%s: mii lpa = %04x adv = %04x.\n",
dev->name, val, adv);
autoexp = mdio_read(ioaddr, phy_id, MII_EXPANSION);
net_link(tp, KERN_INFO "%s: mii lpa=%04x adv=%04x exp=%04x.\n",
dev->name, val, adv, autoexp);
val &= adv;
if (val & LPA_NPAGE && autoexp & EXPANSION_NWAY) {
/* check for gigabit speed */
gigadv = mdio_read(ioaddr, phy_id, MII_CTRL1000);
gigrec = mdio_read(ioaddr, phy_id, MII_STAT1000);
val = (gigadv & (gigrec >> 2));
if (val & ADVERTISE_1000FULL)
p = reg31;
else if (val & ADVERTISE_1000HALF)
p = reg31 + 1;
}
if (!p) {
val &= adv;
for (p = reg31; p->val; p++) {
if ((val & p->val) == p->val)
break;
for (p = reg31; p->val; p++) {
if ((val & p->val) == p->val)
break;
}
}
p->ctl |= SIS_R32(StationControl) & ~0x0f001c00;