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SubjectRe: [PATCH] olpc: fix model detection without OFW
On Sat, 14 Feb 2009 23:14:29 +0100
Ingo Molnar <mingo@elte.hu> wrote:
[...]
> Where did my git grepping skills go wrong?
>
> I git-grepped the code and this is the scope i found:
>
> olpc_platform_info.boardrev is used for:
>
> - a printk
> - olpc_board_at_least() which is used in:
> - drivers/input/mouse/hgpk.c: mouse driver quirk
> - sound/pci/cs5535audio/cs5535audio_olpc.c: audio quirk
>
> aha. I missed this roundabout impact:
>
> - arch/x86/kernel/olpc.c: OLPC_F_DCON flag
> - which is used in olpc_has_dcon(), which is used in:
> - drivers/video/geode/gxfb_core.c: GX modes db
> [ouch if this goes
> wrong!]
> - drivers/video/geode/lxfb_core.c: ditto
>
> So i guess the mouse and audio quirk point was correct too, but the
> major impact is the graphics mode array mismatch and the resulting
> nonsensical mode setting, right?
>
> Ingo


Yep.


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