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[PATCH] DM9000 - check for MAC left in by bootloader

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The DM9000 driver does not deal with the case
where there is no serial EEPROM to store the
configuration, and the bootloader has placed
an MAC address into the device already.

If there is no valid MAC in the EEPROM, read
the one already in the chip and check to see
if that one is valid.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Ben Dooks 2006-06-13 23:50:15 +01:00 committed by Jeff Garzik
parent b4ed03ff12
commit 5b55dda6f4
1 changed files with 7 additions and 0 deletions
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7
drivers/net/dm9000.c
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@ -559,6 +559,13 @@ dm9000_probe(struct platform_device *pdev)
for (i = 0; i < 6; i++)
ndev->dev_addr[i] = db->srom[i];
if (!is_valid_ether_addr(ndev->dev_addr)) {
/* try reading from mac */
for (i = 0; i < 6; i++)
ndev->dev_addr[i] = ior(db, i+DM9000_PAR);
}
if (!is_valid_ether_addr(ndev->dev_addr))
printk("%s: Invalid ethernet MAC address. Please "
"set using ifconfig\n", ndev->name);