Driver for MaxLinear/Exar USB (UART) Serial Adapters

On Do, 2018-08-16 at 01:28 -0700, Patong Yang wrote:

Features not supported by the cdc-acm driver are 
enabling/disabling flow control, enabling/disabling RS-485 mode, 
GPIOs and GPIO modes, etc. Support for these features had to be added in this
new driver.

Hi,

I am afraid RS-485 in cdc-acm is a no-go.
I don't like the duplication, but it is the lesser evil.
We might want to include more stuff in the new driver,
so we duplicate only compiled code.

	Regards
		Oliver