[PATCH 13/15] USB: ehci: make orion and mxc bus glues coexist

[Manjunath Goudar]

On 22 January 2013 09:09, Alan Stern <stern at rowland.harvard.edu> wrote:

> On Mon, 21 Jan 2013, Arnd Bergmann wrote:
>
> > Alan, one comment about your version: You keep maintaining the
> > '#if IS_ENABLED' list in the main driver, which I think can actually
> > get removed now.
>
> I considered doing that.  The benefit of keeping it is that it warns
> about configs where the main driver is built but can never be used.
>
> Still, you're right that its purpose is becoming less important.  I had
> planned to remove it when all the glue driver had been converted, but
> in fact it could be removed at any time.
>
> >  Since the base driver can be built independent of
> > the presence of platform glue drivers, there is no need to forbid
> > it any more, and the #if block will cause merge conflicts for each
> > patch that converts or adds another platform.
>
> If the patches are done independently.  There are likely to be some
> context conflicts anyway.
>
> >  I think we can actually
> > get the same results by turning the Kconfig logic around and making
> > the platform glue drivers 'select USB_EHCI_HCD' than depending on
> > it.
>
> That's a good idea.  The Kconfig changes would have to be done
> carefully to make sure that the dependency on USB_ARCH_HAS_EHCI still
> applies to all the platform drivers.
>
> Manjunath, would you like to send a patch to do this?
>
> Alan Stern
>
> Ya sure,could you explain little bit  briefly about the Kconfig changes.

Thanks
MAnjunath Goudar
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