On Wed, 2018-06-06 at 11:49 +0200, Giulio Benetti wrote: > em485 gets lost during serial8250_register_8250_port(). > > Copy em485 to final uart port. >
Is it needed at all? The individual driver decides either to use software emulation (and calls explicitly serial8250_em485_init() for that) or do HW assisted stuff. > Signed-off-by: Giulio Benetti <giulio.bene...@micronovasrl.com> > --- > drivers/tty/serial/8250/8250_core.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/tty/serial/8250/8250_core.c > b/drivers/tty/serial/8250/8250_core.c > index 9342fc2ee7df..c8c2b260c681 100644 > --- a/drivers/tty/serial/8250/8250_core.c > +++ b/drivers/tty/serial/8250/8250_core.c > @@ -994,6 +994,7 @@ int serial8250_register_8250_port(struct > uart_8250_port *up) > uart->port.rs485_config = up- > >port.rs485_config; > uart->port.rs485 = up->port.rs485; > uart->dma = up->dma; > + uart->em485 = up->em485; > > /* Take tx_loadsz from fifosize if it wasn't set > separately */ > if (uart->port.fifosize && !uart->tx_loadsz) -- Andy Shevchenko <andriy.shevche...@linux.intel.com> Intel Finland Oy
