On Tue, May 30, 2017 at 10:01 AM, Jan Kiszka <[email protected]> wrote: > This implements the setup of RS232 and the switch-over to RS485 or RS422 > for the Siemens IOT2040. That uses an EXAR XR17V352 with external logic > to switch between the different modes. The external logic is controlled > via MPIO pins of the EXAR controller. > > Only pin 10 can be exported as GPIO on the IOT2040. It is connected to > an LED. > > As the XR17V352 used on the IOT2040 is not equipped with an external > EEPROM, it cannot present itself as IOT2040-variant via subvendor/ > subdevice IDs. Thus, we have to check via DMI for the target platform.
Take into consideration comments per patch 2. Otherwise looks good to me. -- With Best Regards, Andy Shevchenko
