[GIT PULL] Allwinner drivers changes for 4.2

[arnd@arndb.de (Arnd Bergmann)]

On Thursday 28 May 2015 22:18:17 Maxime Ripard wrote:
> 
> > A related question is whether we want to pass arguments here, and how
> > to link the controller to the sram nodes.
> 
> Do we need to?
> 
> When a client would try to claim an SRAM, we can parse the phandle,
> find the SRAM name, and look into its own table for the matching name.
> 
> And since it's pretty much how pinctrl (can) work, we can extend that
> mechanism in the future if we want to support other drivers with teh
> same bindings.

The only reason for passing an argument would be the mux ID of the user,
in particular for SRAM_C2, which has three possible users other
than CPU. Passing these as an argument would avoid having to put
the configuration into the inter-driver interface.

	Arnd