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Commit 1593daf9 authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Greg Kroah-Hartman
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serial: clps711x: Return valid modem controls for port that not support it 



Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cf03a884

drivers/tty/serial/clps711x.c

+4 −6
Original line number Diff line number Diff line
@@ -191,12 +191,9 @@ static unsigned int clps711xuart_tx_empty(struct uart_port *port) 


static unsigned int clps711xuart_get_mctrl(struct uart_port *port)

{

	unsigned int port_addr;

	unsigned int result = 0;

	unsigned int status;

	unsigned int status, result = 0;



	port_addr = SYSFLG(port);

	if (port_addr == SYSFLG1) {

	if (port->line == 0) {

		status = clps_readl(SYSFLG1);

		if (status & SYSFLG1_DCD)

			result |= TIOCM_CAR;
@@ -204,7 +201,8 @@ static unsigned int clps711xuart_get_mctrl(struct uart_port *port) 
			result |= TIOCM_DSR;

		if (status & SYSFLG1_CTS)

			result |= TIOCM_CTS;

	}

	} else

		result = TIOCM_DSR | TIOCM_CTS | TIOCM_CAR;



	return result;

}