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[netdrvr] sundance: fix phy scanning on IP100A

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Based on a based from Jesse Huang <jesse@icplus.com.tw>.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-09-29 01:10:14 -04:00 committed by David S. Miller
parent 7b5dfe1aa9
commit ac1d49f843
1 changed files with 11 additions and 3 deletions
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14
drivers/net/sundance.c
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@ -466,7 +466,7 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
#else
int bar = 1;
#endif
int phy, phy_idx = 0;
int phy, phy_end, phy_idx = 0;
DECLARE_MAC_BUF(mac);
/* when built into the kernel, we only print version if device is found */
@ -552,11 +552,19 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
np->phys[0] = 1; /* Default setting */
np->mii_preamble_required++;
/*
* It seems some phys doesn't deal well with address 0 being accessed
* first, so leave address zero to the end of the loop (32 & 31).
* first
*/
for (phy = 1; phy <= 32 && phy_idx < MII_CNT; phy++) {
if (sundance_pci_tbl[np->chip_id].device == 0x0200) {
phy = 0;
phy_end = 31;
} else {
phy = 1;
phy_end = 32; /* wraps to zero, due to 'phy & 0x1f' */
}
for (; phy <= phy_end && phy_idx < MII_CNT; phy++) {
int phyx = phy & 0x1f;
int mii_status = mdio_read(dev, phyx, MII_BMSR);
if (mii_status != 0xffff && mii_status != 0x0000) {