Where to find the information how to write a state of the art USB driver?

[Greg KH]

On Thu, Jan 13, 2022 at 04:33:50PM +0100, Greg KH wrote:
> On Thu, Jan 13, 2022 at 07:39:38AM +0100, Philipp Hortmann wrote:
> > On 1/12/22 10:54 AM, Greg KH wrote:
> > > That driver tried to be an example for an unknown device, doing multiple
> > > different things that no single driver/device would probably ever need.
> > > Also it can almost always just be replaced with a simple userspace
> > > program using libusb, as I bet your driver could be replaced with as
> > > well, right?
> > Yes it can be replaced by a userspace program but even this is not required.
> 
> It is an issue if you are trying to write a new driver.  We do not take
> new drivers into the kernel tree if they can be in the kernel instead.

That should be:
	if they can be written in userspace instead.