diff options
| author | Richard Alpe <[email protected]> | 2012-04-20 15:24:50 +0000 |
|---|---|---|
| committer | Jeff Kirsher <[email protected]> | 2012-05-05 05:05:22 -0700 |
| commit | 1f56f45df9f19cdb87bb90020163046f09df9b45 (patch) | |
| tree | be6b3056c85a34fbc98af38389390d294df79c97 /include/linux/debugobjects.h | |
| parent | 7b9f7e3500ae118bbd5833425e318647da8901f4 (diff) | |
e1000e: clear REQ and GNT in EECD (82571 && 82572)
Clear the REQ and GNT bit in the eeprom control register (EECD).
This is required if the eeprom is to be accessed with auto read
EERD register.
After a cold reset this doesn't matter but if PBIST MAC test was
executed before booting, the register was left in a dirty state
(the 2 bits where set), which caused the read operation to time out
and returning 0.
Reference (page 312):
http://download.intel.com/design/network/manuals/316080.pdf
Reported-by: Aleksandar Igic <[email protected]>
Signed-off-by: Richard Alpe <[email protected]>
Tested-by: Jeff Pieper <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
Diffstat (limited to 'include/linux/debugobjects.h')
0 files changed, 0 insertions, 0 deletions