> -----Original Message----- > From: Alan Stern [mailto:stern@xxxxxxxxxxxxxxxxxxx] > Sent: Friday, October 26, 2012 11:52 AM > To: Sarah Sharp > Cc: USB list; Du, Alek; Pan, Jacob jun > Subject: Re: Hibernation with LPM, was: Re: xhci: LPM issues using Western > Digital harddrive > > On Tue, 16 Oct 2012, Sarah Sharp wrote: > > > > > > In addition to this, I see that ehci-hcd includes some basic > > > > > support for LPM but it doesn't implement the set_usb2_hw_lpm HCD > > > > > method. It's a sort of do-it-yourself approach (and it includes a bunch > of bugs). > > > > > > > > Yeah, I think Jacob Pan and another OTC person worked on the USB > > > > 2.1 LPM for an Intel SoC board, but they never found very many USB > > > > 2.1 devices, so they couldn't test it very well. > > > > > > Maybe that's an indication we shouldn't bother to support it. What > > > do you think? I could take it out of ehci-hcd easily enough. > > > > My instinct is to just take out. But Alex and Jacob should probably > > have some input on that. > > Given that ten days have gone by with no comment on this, I will go ahead > and remove the USB-2.1 LPM code from ehci-hcd. > > Last chance for any objections... > I have no objections. Sorry for the lack of response, it has been awhile since I worked on USB. > Alan Stern -- 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
