On Sun, Aug 15, 2010 at 11:37, Michael Karcher <[email protected]> wrote: > One question remaining: Why do you think GPO8 is "never available". The > only special behaviour about GPO8 I could find in the data sheet is that > GPO8 has a defined low level in standby mode, but it should work as > usual in all other modes.
While experimenting I found that some board immediately powered off when lowering GPO8 (think it was a Dell, unfortunately it's dead now). Therefore I made the assumption that it was unsafe to fiddle with. Today I did some more testing with a modified flashrom. When lowering GPO8 on these boards (all with PIIX4) the following happens: Asus P2B-N: Nothing Asus P2E-M: Nothing Intel SE440BX: Kernel crash MSI MS-6163 Pro: Nothing It seems safe in most cases so I decided to just remove the forbidden_gpos variable and mark GPO8 as always available. Also I marked all board enables using intel_piix4_gpo_set as untested (and renamed the function to the more generic form). New patch attached Thanks! -mattias
piix4_gpo-v3.patch
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