Re: [PATCH] pcnet32.c: MAC address may be in CSR registers

From: Alan Cox (
Date: Thu Feb 15 2001 - 11:49:49 EST

> Peter pointed out that the contents of the CSR12-14 registers are
> initialized from the EEPROM, so reading the EEPROM is superfluous--we
> should just read the CSRs and not read the EEPROM. I think he has a
> point, so I'll make that change and submit yet another patch pair.

I'd rather keep the existing initialisation behaviour of using the eeprom
for 2.2. There are also some power management cases where I am not sure
the values are restored on the pcnet/pci.

For 2.2 conservatism is the key. For 2.4 by all means default to CSR12-14 and
print a warning if they dont match the eeprom value and we'll see what it

> Alan, do you want me to put your inline version in <linux/etherdevice.h>
> while I'm at it, or what?

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