[systemd-devel] WebUSB

[Greg KH]

On Mon, Jan 09, 2017 at 06:13:04PM +0100, Bjørn Mork wrote:
> Greg KH <greg at kroah.com> writes:
> > On Mon, Jan 09, 2017 at 09:40:59AM +0000, Kenneth Rohde Christiansen wrote:
> >> Web USB can only grab devices which has special Web USB headers. It can not
> >> grab any USB device.
> >> 
> >> https://wicg.github.io/webusb/#webusb-descriptors
> >
> > Ah, fun :(
> >
> > So, we can add a quirk into the kernel cdc-acm driver to never bind to a
> > device that has the wusb platform capability descriptor,
> 
> I fail to see why a quirk should be necessary. New device classes are
> expected to use new class/subclass codes distintly different from
> anything handled by existing class drivers.

One would hope, but it seems like they want to piggy-back on the cdc-acm
spec.  But I could be totally wrong here, does anyone have the actual
descriptor dump of a device anywhere?

thanks,

greg k-h