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r6040: check PHY status when bringing interface up 

This patch makes the driver properly initialize the PHY
status if not correctly set by the bootloader/BIOS.
It prevents some boards to bring up the link on boot.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2009-01-08 11:01:58 -08:00 committed by David S. Miller
parent 9a48ce8400
commit 84314bf922
1 changed files with 4 additions and 0 deletions
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4
drivers/net/r6040.c
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@ -1121,6 +1121,10 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
err = -EIO;
goto err_out_free_res;
}
/* If PHY status change register is still set to zero it means the
* bootloader didn't initialize it */
if (ioread16(ioaddr + PHY_CC) == 0)
iowrite16(0x9f07, ioaddr + PHY_CC);
/* Init system & device */
lp->base = ioaddr;