From: shubhrajyoti.datta@gmail.com
To: linux-kernel@vger.kernel.org
Cc: michal.simek@xilinx.com, gregkh@linuxfoundation.org,
arnd@arndb.de, Maarten Brock <m.brock@vanmierlo.com>,
Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Subject: [PATCH 3/3] serial: xilinx_uartps: set_mctrl sets RTS and DTR
Date: Mon, 25 Nov 2019 18:32:41 +0530 [thread overview]
Message-ID: <1574686961-9588-3-git-send-email-shubhrajyoti.datta@gmail.com> (raw)
In-Reply-To: <1574686961-9588-1-git-send-email-shubhrajyoti.datta@gmail.com>
From: Maarten Brock <m.brock@vanmierlo.com>
set_mctrl now sets RTS and DTR.
Signed-off-by: Maarten Brock <m.brock@vanmierlo.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
---
drivers/tty/serial/xilinx_uartps.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 44dabd4..019302e 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1069,6 +1069,10 @@ static void cdns_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
val &= ~(CDNS_UART_MODEMCR_RTS | CDNS_UART_MODEMCR_DTR);
mode_reg &= ~CDNS_UART_MR_CHMODE_MASK;
+ if (mctrl & TIOCM_RTS)
+ val |= CDNS_UART_MODEMCR_RTS;
+ if (mctrl & TIOCM_DTR)
+ val |= CDNS_UART_MODEMCR_DTR;
if (mctrl & TIOCM_LOOP)
mode_reg |= CDNS_UART_MR_CHMODE_L_LOOP;
else
--
2.1.1
prev parent reply other threads:[~2019-11-25 13:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-25 13:02 [PATCH 1/3] serial: xilinx_uartps: Let get_mctrl return status shubhrajyoti.datta
2019-11-25 13:02 ` [PATCH 2/3] serial: xilinx_uartps: set_termios sets flowcontrol shubhrajyoti.datta
2019-11-25 13:02 ` shubhrajyoti.datta [this message]
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