David,
s/devfs/usbdevfs/ ???
~Randy
> -----Original Message-----
> From: David Brownell [mailto:[EMAIL PROTECTED]]
> Sent: Friday, May 26, 2000 3:59 AM
> To: Johannes Erdfelt; [EMAIL PROTECTED]
> Subject: Re: [linux-usb] [patch] new minor features
>
>
> I think I'll like this patch ... :-)
>
> One more thing: the topology information in /proc/bus/usb/devices
> doesn't seem to be exposed through reasonable APIs.
>
> I'm wondering what you (and others) would think of adding a
> new mechanism
> to devfs, facilitating exposure of that and other things:
> device-specific
> ioctls. A hub device would use these to expose which devices
> connect to
> which ports. Other devices might expose other information.
>
> A general mechanism there would involve a new driver method (not just
> {,un}link_urb, probe/disconnect, also the ioctl) triggered somehow via
> the devfs calls.
>
> Such a mechanism might also help address the locking issue that got
> some discussion earlier (where there's an impedence mismatch between
> the "interface claiming" mechanism and the need prevent
> arbitrary control
> requests going to devices that can't deal with them ...
> including the case
> of devices supporting multiple concurrent drivers (one per interface).
>
> I've not yet drafted such an API proposal; I wanted some feedback on
> the notions there first.
>
> _ Dave
>
>
>
> ----- Original Message -----
> From: Johannes Erdfelt <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, May 26, 2000 2:18 AM
> Subject: [linux-usb] [patch] new minor features
>
>
> > These are some minor patches to add a couple of a new features.
> >
> > They are from my bigger devfs patch but have nothing to do
> with devfs.
> >
> > The features
> > - read() from a device now returns cached descriptors as well
> > - new GETDRIVER command to see what driver is bound to an interface
> > the only difference from my previous patch is the lack of
> activated
> > field since it doesn't apply without the userspace binding patch
> > - new CONNECTINFO to get device speed and device id
> > - serialize all probe() and disconnect() calls to one driver
> > - set address before grabbing descriptor
> >
> > The patch is against 2.4.0-test1.
> >
> > JE
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
