From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Charkov Subject: [PATCH 2/4] tty: vt8500_serial: add missing support for RTS setting Date: Sat, 6 Sep 2014 21:21:13 +0400 Message-ID: <1410024075-1354-3-git-send-email-alchark@gmail.com> References: <1410024075-1354-1-git-send-email-alchark@gmail.com> Return-path: In-Reply-To: <1410024075-1354-1-git-send-email-alchark@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Tony Prisk , Greg Kroah-Hartman , Jiri Slaby , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-serial@vger.kernel.org Cc: Alexey Charkov List-Id: devicetree@vger.kernel.org Signed-off-by: Alexey Charkov --- drivers/tty/serial/vt8500_serial.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index f225719..47e74f9 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -291,6 +291,14 @@ static unsigned int vt8500_get_mctrl(struct uart_port *port) static void vt8500_set_mctrl(struct uart_port *port, unsigned int mctrl) { + unsigned int lcr = vt8500_read(port, VT8500_URLCR); + + if (mctrl & TIOCM_RTS) + lcr |= VT8500_RTS; + else + lcr &= ~VT8500_RTS; + + vt8500_write(port, lcr, VT8500_URLCR); } static void vt8500_break_ctl(struct uart_port *port, int break_ctl) -- 2.0.0