[uml-devel] Re: [linux-usb-devel] UML usb host controller 2.5.44-1 ~63K

[Greg KH <gr...@kr...>]

On Wed, Oct 23, 2002 at 07:10:45AM -0700, James McMechan wrote:
> And here is the patch for 2.5.44-1, which is against vanilla linux-2.5.44 +
> uml-patch-2.5.44-1

Nice job.

> This one enumerates the devices in the host's /proc/bus/usb and builds up
> the device bus structures seemingly ok, but none of the indiviual devices
> seem to appear on the UML side /proc/bus/usb, I think what is wrong is that
> it depended on some automatic device creation in the 2.4 HCD model which is
> no longer present
> 
> This has even more debug printks as I have been attempting to trace down
> what is happening.
> 
> It is nice to be able to single step through the host controller and examine
> all the data structures with gdb while it is running :)
> 
> I also suspect that the useage of hcpriv has changed and my most recent
> attempt to try and follow the current model may make this version even more
> confusing than normal.
> 
> Alas, while this version does not work, pretty much all of the comments
> about the 2.4 version still apply, this module is named "uml-hcd.o" and its
> support function "uml-pci.o" the noop pci functions from ARCH=i386

A number of these functions are already in drivers/pci/*.c.  Any reason
to duplicate them again?

Does UML build with CONFIG_PCI disabled?

Other than that, mind if I add this to the main kernel tree so that more
people (myself included) start playing around with it?

thanks,

greg k-h