linux-kernel - [PATCH 1/4] serial: 8250: Copy em485 from port to real port.

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Date:   Wed,  6 Jun 2018 11:49:40 +0200
From:   Giulio Benetti <giulio.benetti@...ronovasrl.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     matwey.kornilov@...il.com,
        Giulio Benetti <giulio.benetti@...ronovasrl.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Matthias Brugger <mbrugger@...e.com>,
        Kees Cook <keescook@...omium.org>,
        Allen Pais <allen.lkml@...il.com>, Sean Young <sean@...s.org>,
        linux-serial@...r.kernel.org (open list:SERIAL DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/4] serial: 8250: Copy em485 from port to real port.

em485 gets lost during serial8250_register_8250_port().

Copy em485 to final uart port.

Signed-off-by: Giulio Benetti <giulio.benetti@...ronovasrl.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)
-- 
2.17.1