linux-kernel - [PATCH v2] atmel_serial: enable PPS support

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: <1297261573-17244-1-git-send-email-plagnioj@jcrosoft.com>
Date:	Wed,  9 Feb 2011 15:26:13 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Greg Kroah-Hartman <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	Viktar Palstsiuk <viktar.palstsiuk@...mwad.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
Subject: [PATCH v2] atmel_serial: enable PPS support

From: Viktar Palstsiuk <viktar.palstsiuk@...mwad.com>

Enables PPS support in atmel serial driver to make PPS API working.

Signed-off-by: Viktar Palstsiuk <viktar.palstsiuk@...mwad.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
---
v2:

	forget to update the prototype when rebase to upstream

Best Regards,
J.
 drivers/tty/serial/atmel_serial.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 2a1d52f..f119d17 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -1240,6 +1240,21 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
 	spin_unlock_irqrestore(&port->lock, flags);
 }
 
+static void atmel_set_ldisc(struct uart_port *port, int new)
+{
+	int line = port->line;
+
+	if (line >= port->state->port.tty->driver->num)
+		return;
+
+	if (port->state->port.tty->ldisc->ops->num == N_PPS) {
+		port->flags |= UPF_HARDPPS_CD;
+		atmel_enable_ms(port);
+	} else {
+		port->flags &= ~UPF_HARDPPS_CD;
+	}
+}
+
 /*
  * Return string describing the specified port
  */
@@ -1380,6 +1395,7 @@ static struct uart_ops atmel_pops = {
 	.shutdown	= atmel_shutdown,
 	.flush_buffer	= atmel_flush_buffer,
 	.set_termios	= atmel_set_termios,
+	.set_ldisc	= atmel_set_ldisc,
 	.type		= atmel_type,
 	.release_port	= atmel_release_port,
 	.request_port	= atmel_request_port,
-- 
1.7.2.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/