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

Alan Stern stern at rowland.harvard.edu
Fri Jun 14 22:24:09 EDT 2013

On Fri, 14 Jun 2013, Chao Xie wrote:

> I checked with the code in our 3.4 git. we really did a lot of things
> when suspend/resume, and at that point the patch for ehci_resume and
> ehci_suspend are not added.
> i think the driver can make use of ehci_resume/ehci_suspend.
> For PHY, we have to initialize it and shutdown it when do
> suspend/resume. Our PHY do not have any suspend states.
> I suppose these phy operation have to be handled by each ehci driver
> owner only, or you think it can be handled at ehci-hce level?.

If the operations are the same for each platform, then yes -- they 
could be done in ehci-hcd.  But if different platforms handle their 
PHYs differently then each glue module will need to do this on its own.

Alan Stern

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