linux-kernel - [PATCHv2 3/3] serial: xilinx_uartps: set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <1574687731-21563-3-git-send-email-shubhrajyoti.datta@gmail.com>
Date:   Mon, 25 Nov 2019 18:45:31 +0530
From:   shubhrajyoti.datta@...il.com
To:     linux-kernel@...r.kernel.org
Cc:     michal.simek@...inx.com, gregkh@...uxfoundation.org, arnd@...db.de,
        Maarten Brock <m.brock@...mierlo.com>,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
Subject: [PATCHv2 3/3] serial: xilinx_uartps: set_mctrl sets RTS and DTR

From: Maarten Brock <m.brock@...mierlo.com>

set_mctrl now sets RTS and DTR.

Signed-off-by: Maarten Brock <m.brock@...mierlo.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@...inx.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 e82f8db..b4fd550 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1059,6 +1059,10 @@ 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