On 12/21/2011 02:42 PM, Andiry Xu wrote: > On 12/21/2011 06:10 AM, Sarah Sharp wrote: >>> >>> OK, thanks for your help. BTW, can you look at the patch "xHCI: BESL >>> calculation based on USB2.0 LPM errata" I sent on 12/12? It's a errata >>> update of USB2.0 LPM patch. >> >> I can take a look at it, but I don't think it's going to get into 3.3, >> since it's so late in the cycle (-rc5). BTW, does it support both types >> of host controller register encoding, or only the HIRD encoding? >> Forgot to answer your question. HIRD/BESL value is decoded into LPM Token and sent directly to device, so I think both types of host controller can support it. Thanks, Andiry > > That's OK if it cannot go into 3.3. The USB2.0 LPM errata is released in > October, and I don't think there will be many compliant devices on > market when 3.3 is released. Qualcomm has a test device in development > and they've tested the patch. > >> There's an Intel white paper (written by the folks that did the USB 2.0 >> LPM errata) that I've been meaning to look at, since it has requirements >> for host controller behavior for USB 2.0 LPM. I'll ping John Howard and >> see if that white paper is public somewhere so you can look at it too. >> > > Thanks for that. > > Andiry > > -- > 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
