[PATCh V10 04/12] usb: ehci: ehci-mv: use PHY driver for ehci

Alan Stern stern at rowland.harvard.edu
Thu May 30 10:23:27 EDT 2013

On Thu, 30 May 2013, Roger Quadros wrote:

> >> So what are your idea about making the PHY layer more generic? How
> >> ehci-hcd will make use of PHY layer?
> > 
> > 
> > on probe grab the phy and initialize it. On suspend/resume,
> > suspend/resume the PHY and so on. Whatever you were going to do on your
> > ehci glue, do it on generic ehci-hcd.
> > 
> These operations sound generic enough to be done at HCD layer, no? So no need to
> replicate the same stuff in ohci, ehci, xhci, etc.

The HCD layer handles suspend and resume only for PCI host controllers.  
Not for other types.

I don't know if the acquire/start and stop/release parts can be moved 
into the USB core.  Maybe they can.

Alan Stern

More information about the linux-arm-kernel mailing list