linux-kernel - [PATCH 05/16] tty: serial: 8250_core: remove UART_IER_RDI in serial8250_stop

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Date:	Wed, 10 Sep 2014 21:30:00 +0200
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	linux-serial@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, tony@...mide.com,
	balbi@...com, gregkh@...uxfoundation.org,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	heikki.krogerus@...ux.intel.com
Subject: [PATCH 05/16] tty: serial: 8250_core: remove UART_IER_RDI in serial8250_stop_rx()

serial8250_do_startup() adds UART_IER_RDI and UART_IER_RLSI to ier.
serial8250_stop_rx() should remove both.
This is what the serial-omap driver has been doing and is now moved to
the 8250-core since it does no look to be *that* omap specific.

Cc: heikki.krogerus@...ux.intel.com
Reviewed-by: Tony Lindgren <tony@...mide.com>
Tested-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
---
 drivers/tty/serial/8250/8250_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index ac88e66df65d..139f3d2b8aa9 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1390,7 +1390,7 @@ static void serial8250_stop_rx(struct uart_port *port)
 
 	serial8250_rpm_get(up);
 
-	up->ier &= ~UART_IER_RLSI;
+	up->ier &= ~(UART_IER_RLSI | UART_IER_RDI);
 	up->port.read_status_mask &= ~UART_LSR_DR;
 	serial_port_out(port, UART_IER, up->ier);
 
-- 
2.1.0

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