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

[Philipp Hortmann]

On 1/13/22 4:33 PM, 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.
> 

Sorry I did not clearly express what I plan to do. I plan to do 
maintenance and bug fixes on the kernel.

I am writing on drivers only for my personal education. No new drivers 
for the kernel.

Thanks for your quick and long replies.

Bye Philipp