Re: can we move USB_DEVICEFS to non-embedded?

[Peter Jones]

Greg KH wrote:
> On Wed, Jul 08, 2009 at 09:55:04AM -0400, Peter Jones wrote:
> > On 07/08/2009 09:52 AM, Peter Jones wrote:
> > > On 07/08/2009 06:54 AM, Dave Airlie wrote:
> > >
> > > > I'm not quite sure if something in the F11 initrd needs usbfs for
> > > > something (cc'ed Peter)
> > > Not a thing.
> > Actually, I take it back.  We do mount usbfs, and we examine
> > /proc/bus/usb/devices as a heuristic to try and determine if
> > all the devices have been enumerated.
>
> How can you ever know if all devices are enumerated as you don't know
> how many devices will be showing up?

You don't, that's why I said it's a heuristic.  But basically, we have a 
timeout, and if the device list doesn't change in that amount of time, we
call it done.

It's not the best technique ever, but it does work.

> > So that could be related to what you're seeing.
>
> That file is now available in /sys/kernel/debug/usb/devices if you
> really need it.

Oh, okay.  I can change it to use that then.

> But I would think that you do not.

Well, we pretty much do until we switch to dracut.

--
  Peter
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