spi: OF module autoloading is still broken

[Mark Brown]

On Mon, Nov 16, 2015 at 05:00:43PM -0300, Javier Martinez Canillas wrote:

> Now that I think about it, there is another issue and is that today spi:foo
> defines a namespace while changing to of: will make the namespace flat so
> a platform driver that has the same vendor and model will have the same
> modalias.

> IOW, for board files will be platform:bar and i2c:bar while for OF will be
> of:NfooT<NULL>Cfoo,bar in both cases. I wonder if we should reuse the type
> for that and store the subsystem prefix there. What do you think?

I'm not sure that's a big issue - if we end up loading an extra module
with a second bus glue it'll waste a little memory but it's not going to
be a huge amount.  Obviously it'd be nice to fix but it doesn't seem
super important compared to getting the modules loaded.
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