[alsa-devel] [PATCH v2 1/3] ALSA SoC: Add OpenFirmware helper for matching bus and codec drivers

Grant Likely grant.likely at secretlab.ca
Mon Jul 14 18:27:43 CEST 2008

On Mon, Jul 14, 2008 at 10:14 AM, Timur Tabi <timur at freescale.com> wrote:
> Mark Brown wrote:
>>> The PowerPC side isn't without fault too. PowerPC still doesn't have a
>>> good way to load the fabric/machine driver.
>> I'm finding it difficult to square these two statements - from an ASoC
>> point of view the main thing this patch is doing is adding a machine
>> driver and that's not something that's going to go away.
> Jon's concern is that there is no straightforward way to build a kernel with
> multiple fabric drivers and have the right one chosen via the device tree.  This
> is just a limitation of the device tree model, and no one has come up with a
> good solution yet.
> The problem still exists in ASoC V2.  However, it's not anything that ASoC
> itself needs to be concerned with.  It's purely a PowerPC problem.

It's purely an *OF Device Tree* problem.  PowerPC isn't the only
platform using the device tree.  :-)


Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.

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