List Archive: gentoo-ppc-user
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Well, you don't really have to modiffy it by hand, it is a simple patch
to the kernel
I tested it and it works perfectly.
Eric Robertson wrote:
> hmmm... I dont think I am up to modifying my kernel source by hand
> just yet (if I read Ben's response correctly). Thanks for the solution
> though. It's good to know a solution is out there.
> Konstantin V. Gavrilenko wrote:
>> Here is an answer from Ben, I still have to test it myself.
>> Benjamin Herrenschmidt wrote:
>>> On Tue, 2006-05-30 at 21:09 +0100, Konstantin V. Gavrilenko wrote:
>>> SNIP <
>>> Does this help ?
>>> From: Linux Kernel Mailing List <linux-kernel@...>
>>> To: git-commits-head@...
>>> Subject: [PATCH] powermac: Fix i2c on keywest based chips
>>> Date: Sun, 23 Apr 2006 17:11:14 GMT
>>> commit 60162e498e220d1f03bbee5bac0a9ddd6de60ae7
>>> tree 8cbcbea6060eb2b9f7d39784385efdfc6e947b52
>>> parent 28897731318dc8f63f683eed9091e446916ad706
>>> author Benjamin Herrenschmidt <benh@...> Tue, 18 Apr
>> 2006 14:11:53 +1000
>>> committer Paul Mackerras <paulus@...> Fri, 21 Apr 2006 22:29:46
>>> [PATCH] powermac: Fix i2c on keywest based chips
>>> The new i2c implementation for PowerMac has a regression that causes the
>>> hardware to go out of state when probing non-existent devices. While
>>> fixing that, I also found & fixed a couple of other corner cases. This
>>> fixes booting with a pbbuttons version that scans the i2c bus for an LMU
>>> controller among others. Tested on a dual G5 with thermal control (which
>>> has heavy i2c activity) with no problem so far.
>>> Signed-off-by: Benjamin Herrenschmidt <benh@...>
>>> Signed-off-by: Paul Mackerras <paulus@...>
>>> arch/powerpc/platforms/powermac/low_i2c.c | 78
Konstantin V. Gavrilenko
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