On Sat, May 13, 2017 at 10:29 AM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> 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. > > Co-developed with Sascha Weisenberger. > Please, refactor that using properly formed DMI structrure and use its callback and driver data facilities/ stmmac's pattern that you obviously applied does not actually suit here. -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
