[PATCH] PowerMac11,2 i2c-bus at 0 duplicate dev-tree workaround

Michael Ellerman michaelellerman at internode.on.net
Thu Mar 30 17:28:39 EST 2006


On Wed, 2006-03-29 at 13:30 +0200, Johannes Berg wrote:
> On a PowerMac11,2, there are two i2c-bus at 0 nodes of which only the first
> is correct. This patch makes the device tree unflattening code ignore
> the second one on those machines.
> 
> Signed-Off-By: Johannes Berg <johannes at sipsolutions.net>
> 
> --- 
> I'm not sure this is the right way to do it. Maybe we should have some
> 'dev-tree quirks fixer' that makes a third pass through the device tree
> after the allnodes chain has been set up, and fixes it up. On the other
> hand, as long as there aren't too many workarounds, this works fine.
> 
> The patch looks longer than it is because some code changed indentation
> level.

I don't understand why we need this patch? If we care about getting the
"right" node why not check for that where we care?

cheers

-- 
Michael Ellerman
IBM OzLabs

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person




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