[PATCH 2/2] USB: EHCI: make ehci-orion a separate driver

[Jason Cooper]

Alan,

On Wed, Feb 20, 2013 at 04:27:04PM +0000, Arnd Bergmann wrote:
> On Wednesday 20 February 2013, Alan Stern wrote:
> > Currently there is no Kconfig option to control specifically whether
> > the ehci-orion driver gets built; it always gets built whenever
> > CONFIG_PLAT_ORION and CONFIG_USB_EHCI_HCD are both enabled.
> > 
> > Do you think it is a good idea to add an option for this?  Should it at
> > least be non-interactive, so that the driver always gets built under
> > the same conditions as currently?  A later patch can make it 
> > interactive, if desired.
> 
> I think it's good to have it interactive, because we are now building for
> multiplatform with Orion being one of many. It's useful to be able to
> build EHCI_HCD=y AND EHCD_HCD_ORION=m.

Yes, explicit is preferable.  On kirkwood usb has it's own gateable
clock.  The user should be able to conserve power by unloading the
module or building without it.

thx,

Jason.