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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