Backporting 3.6 USB/EHCI fixes for XO-1

2012-09-10 Thread Daniel Drake
Hi, Kevin Gordon showed me a case of a USB microscope (UVC) not working on XO-1. It confuses the host controller and even knocks the wifi off the bus. On XO-1.5 and XO-1.75 it is fine. These microscopes are used in the field (e.g. http://ntugigroup.org/) We're not alone with this class of

Re: Backporting 3.6 USB/EHCI fixes for XO-1

2012-09-10 Thread Martin Langhoff
On Mon, Sep 10, 2012 at 6:54 PM, Daniel Drake d...@laptop.org wrote: Anyway, a load of work landed in Linux 3.6 to address this, to make the EHCI driver more resilient to odd hardware. Backporting to 3.3 is very simple, and fixes the problem. The commits in question are: +1, though IANAKD so

Re: Removing duplication in /boot - affects kernel development

2012-09-10 Thread Daniel Drake
On Wed, Sep 5, 2012 at 3:46 PM, Daniel Drake d...@laptop.org wrote: Hi, I'd like to renew this thread, since we didn't get a great amount of feedback last time. Also, one of the issues mentioned (but a little downplayed) is the significance of removing the firmware updating code from