diff options
| author | Florian Fainelli <florian@openwrt.org> | 2009-01-08 19:01:58 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-01-08 19:01:58 (GMT) |
| commit | 84314bf92265bccea601ed75ec93944e1a36dd81 (patch) | |
| tree | 093a10ce34f302eaa0684d40688b049167e84a5c | |
| parent | 9a48ce84004eb61940850c7066af5d222a5f81c9 (diff) | |
| download | linux-fsl-qoriq-84314bf92265bccea601ed75ec93944e1a36dd81.tar.xz | |
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>
| -rw-r--r-- | drivers/net/r6040.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index 92b14c8..7ac6fed 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -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; |