[alsa-devel] [PATCH 6/6] ASoC: fsl: check property 'compatible' for the machine name

[Shawn Guo]

On Fri, Feb 24, 2012 at 02:12:07PM +0000, Mark Brown wrote:
> On Fri, Feb 24, 2012 at 10:09:41PM +0800, Shawn Guo wrote:
> > The fsl_ssi probe function detects the client machine name using model
> > property of the device tree.  But it will not work for the ARM client
> > machines which are to be added.  The model property is given as a
> > descriptive string on all ARM device tree (arch/arm/boot/*.dts).
> > Instead, the compatible property gives the machine name.
> 
> The ARM machines really shouldn't be using the bindings that PowerPC is
> using for the machine as they conflate the machine driver with the SSI
> binding.  The idiom for new systems is that machine drivers should be
> first class devices in the device tree referencing the SSI and CODEC.
> 
> The current bindings should be preserved for existing systems of course.

Per discussion [1], the whole point we move to fsl_ssi is that we can
reuse the DT support already in fsl_ssi.  If it's something we should
not use for IMX, I fail to see why we should make this move.

Regards,
Shawn

[1] http://article.gmane.org/gmane.linux.drivers.devicetree/6637