On Tue, Feb 02, 2021 at 01:31:17AM +0100, Giulio Benetti wrote: > Il 18/05/2020 17:21, Andy Shevchenko ha scritto: > > On Sun, May 17, 2020 at 11:56:10PM +0200, Heiko Stuebner wrote: > > > From: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx> > > > > > > Need to use rs485 transceiver so let's use existing em485 485 emulation > > > layer on top of 8250. > > > > > > Add rs485_config callback to port and uses the standard em485 start and > > > stop helpers. > > > > Would it prevent to use native RS485 support? > > 8250_dw doesn't have a native RS485 support, do you mean using hardware > RTS assertion? Anyway at the moment it's not present. This would be the > first rs485 support added to 8250_dw. DW v4.0+ has it. -- With Best Regards, Andy Shevchenko
