[PATCH] powerpc/85xx: don't call of_platform_bus_probe() twice

Kumar Gala galak at kernel.crashing.org
Thu Mar 22 02:08:49 EST 2012

On Mar 19, 2012, at 11:04 AM, Grant Likely wrote:

> On Fri, 16 Mar 2012 15:50:44 -0500, Timur Tabi <timur at freescale.com> wrote:
>> Kumar Gala wrote:
>>> This seems like paper taping over the real issue.  We should be able to call of_platform_bus_probe() multiple times.
>> I tried debugging it, but I couldn't figure it out.  My guess is that the
>> nodes probed by of_platform_bus_probe() are somehow "reserved", so that
>> the second time it's called, they're skipped.  I figured that this was
>> just a side-effect of the way the OF layer works.
> The problem is that you want to create devices for grandchildren
> nodes when the bus ids passed in don't match any of the child nodes so
> the of_platform_bus_probe() doesn't iterate down to that level.  This
> is correct and expected behaviour.
> g.

Does of_platform_populate() handle this?

- k

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