Hi all,
I can confirm that I've seen the very same on multiple C8000
workstation too.
Can someone please apply this patch ?
Tested-by: Guy Martin <gmsoft@xxxxxxxxxxxx>
Thanks,
Guy
On Sun, 24 Oct 2010 04:28:59 +0200 (CEST)
Mikulas Patocka <mikulas@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi
>
> This is my first patch for my PA RISC C8000 machine: allow to use the
> onboard NIC.
>
> Mikulas
>
> ---
>
> Allow the driver to be used on PA RISC C8000 workstation
>
> Search on the internet shows that the checksum field in the EEPROM on
> HPPA is really not a checksum but a signature (different users
> including me found the same mismatching checksum 0x16d6, despite
> their MAC addresses and EEPROM content being different).
>
> So I allow 0x16d6 (the last word read) as the matching checksum on
> hppa.
>
> Signed-off-by: Mikulas Patocka <mikulas@xxxxxxxxxxxxxxxxxxxxxxxx>
>
> Index: linux-2.6.36-rc8/drivers/net/e1000/e1000_hw.c
> ===================================================================
> --- linux-2.6.36-rc8.orig/drivers/net/e1000/e1000_hw.c
> 2010-10-24 04:01:03.000000000 +0200 +++
> linux-2.6.36-rc8/drivers/net/e1000/e1000_hw.c 2010-10-24
> 04:25:22.000000000 +0200 @@ -3840,6 +3840,12 @@ s32
> e1000_validate_eeprom_checksum(struc checksum += eeprom_data; }
>
> +#ifdef __hppa__
> + /* This seems to be a signature and not a checksum on HP
> c8000 */
> + if (eeprom_data == 0x16d6)
> + return E1000_SUCCESS;
> +#endif
> +
> if (checksum == (u16) EEPROM_SUM)
> return E1000_SUCCESS;
> else {
> --
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