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Commit 42bd7a4f authored by Viktar Palstsiuk's avatar Viktar Palstsiuk Committed by Greg Kroah-Hartman
Browse files

atmel_serial: enable PPS support 



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

Signed-off-by: default avatarViktar Palstsiuk <viktar.palstsiuk@promwad.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent daaf6ff4

drivers/tty/serial/atmel_serial.c

+16 −0
Original line number Original line Diff line number Diff line
@@ -1240,6 +1240,21 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, 
	spin_unlock_irqrestore(&port->lock, flags);

	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

 * Return string describing the specified port

 */

 */
@@ -1380,6 +1395,7 @@ static struct uart_ops atmel_pops = { 
	.shutdown	= atmel_shutdown,

	.shutdown	= atmel_shutdown,

	.flush_buffer	= atmel_flush_buffer,

	.flush_buffer	= atmel_flush_buffer,

	.set_termios	= atmel_set_termios,

	.set_termios	= atmel_set_termios,

	.set_ldisc	= atmel_set_ldisc,

	.type		= atmel_type,

	.type		= atmel_type,

	.release_port	= atmel_release_port,

	.release_port	= atmel_release_port,

	.request_port	= atmel_request_port,

	.request_port	= atmel_request_port,