On Wed, Oct 30, 2013 at 02:18:00PM +0000, Darren Hart wrote: > On Mon, 2013-07-22 at 00:41 +0100, Mark Brown wrote: > > I'd expect it to be a bus, yes. > It seems to me the platform bus already provides everything we need. We > can just make a platform driver, say platform-id-gpio.c which can get > it's platform data from OF or ACPI (_PRP proposal from kernel summit > last week for example). Why would a separate bus type need to be > defined? For the identifier space. We ought to be able to register handling for plugin boards separately to notifying the system of their existance in a similar fashion to how we register drivers for anything else.
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