Pegasos i8042 broken again

[Gerhard Pircher]

On Sat, 2010-10-09 at 20:37 -0500, pacman at kosh.dhis.org wrote:
> Pegasos has no keyboard again. I blame commit
> 540c6c392f01887dcc96bef0a41e63e6c1334f01, which tries to find i8042 IRQs
> inthe device-tree but doesn't fall back to the old hardcoded 1 and 12 in
> all failure cases.
> 
> Specifically, the case where the device-tree contains nothing matching
> pnpPNP,303 or pnpPNP,f03 doesn't seem to be handled well. It sort of
> falls through to the old code, but leaves the IRQs set to 0.
> 
> The last time something like this happened, I submitted a patch:
> http://lists.ozlabs.org/pipermail/linuxppc-dev/2007-July/039988.html
> which got committed, but afterward I was scolded for working around a
> bug instead of fixing it in nvramrc.
> 
> This time I just won't send my workaround patch, at least until it's
> decided that the kernel should be made to understand the device-tree as
> is.
> If it's decided instead that the firmware should be patched... well I
> just don't feel comfortable inventing my own patch for nvramrc, since
> it's written in a language I don't know and presumably could brick the
> machine if I get it wrong. Also I'm not even sure what the kernel is
> expecting to find there.

Is this a Pegasos 1 or Pegasos 2? I'm just curious, because some Pegasos 1
users told me that newer Linux kernels don't even boot on their machines.

regards,

Gerhard
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