[RFC usb-next v3 1/2] usb: core: split usb_phy_roothub_{init,alloc}

[gregkh@linuxfoundation.org (Greg KH)]

On Tue, Mar 27, 2018 at 11:24:08AM +0300, Roger Quadros wrote:
> On 26/03/18 23:38, Martin Blumenstingl wrote:
> > Before this patch usb_phy_roothub_init served two purposes (from a
> > caller's point of view - like hcd.c):
> > - parsing the PHYs and allocating the list entries
> > - calling phy_init on each list entry
> > 
> > While this worked so far it has one disadvantage: if we need to call
> > phy_init for each PHY instance then the existing code cannot be re-used.
> > Solve this by splitting off usb_phy_roothub_alloc which only parses the
> > PHYs and allocates the list entries.
> > usb_phy_roothub_init then gets a struct usb_phy_roothub and only calls
> > phy_init on each PHY instance (along with the corresponding cleanup if
> > that failed somewhere).
> > 
> > This is a preparation step for adding proper suspend support for some
> > hardware that requires phy_exit to be called during suspend and phy_init
> > to be called during resume.
> > 
> > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> 
> I don't think we need RFC in subject.

As I don't apply series with RFC in the subject, that might be a good
idea :)