Summary: an OF-specific wrapper around the mmc_spi platform code.
I think a wrapper to encapsulate all the OF-specific knowledge makes
much sense here.
The only thing that looks odd to me about this is that the wrapper
is a spi_device rather than an of_device. To me it makes more sense
to just have an of_device setting up the right spi_device. (Though
maybe I missed some discussion about why that can't work.)
Example: drivers/usb/host/sl811_cs.c does that for PCMCIA card
that just wraps an sl811 chip that's more often used standalone.
The PCMCIA descriptors being analagous to OF device table entries.
- Dave
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