Hi, Heikki: What's the status? Are you still doing on this patch? Looking forward to the next version. BR Tony > -----Original Message----- > From: linux-usb-owner@xxxxxxxxxxxxxxx [mailto:linux-usb- > owner@xxxxxxxxxxxxxxx] On Behalf Of Heikki Krogerus > Sent: Tuesday, August 09, 2011 3:44 PM > To: Sascha Hauer > Cc: Pavan Kondeti; linux-usb@xxxxxxxxxxxxxxx; Alexander Shishkin; Chen > Peter-B29397 > Subject: Re: [RFC PATCH 1/2] usb: Add physical layer utility code > > Hi, > > On Mon, Aug 08, 2011 at 01:44:14PM +0300, Heikki Krogerus wrote: > > > Currently we have the situation that host and device driver are > > > completely unaware of each other, at least on most architectures. > > > >From what we have in the tree I like the msm usb otg best, apart > > > from the fact that it's a platform specific solution. It's even not > > > complicsted to make it work on i.MX and therefore probably on other > > > architectures aswell. > > > > I think these kind of things should be considered after we have the > > basic phy support separated from otg, so not at this stage. I'm not > > sure how it would work with Felipe's idea of keeping everything as > > flexible as possible. > > > > I can only point out that there should not be anything preventing > > something like pci card or sdio card providing a controller and a > > transceiver to the system, so relying on platform data may not be > > enough. > > How would you guys feel if the transceiver would be matched in several > ways? ULPI transceivers can be matched at runtime, as you can always read > the product and the vendor id. Other interfaces will need to be handled > differently. I guess with UTMI, there is no need for transceiver driver, > or it's enough to have one for all of them. Well, in most cases... :). We > would in any case always have what Sascha suggested as the last way of > matching the transceiver. > > What do you guys think? > > -- > heikki > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
