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serial: bfin_5xx: grab port lock before making port termios changes

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The port lock exists to protect these resources, so we need to grab it
before making changes.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Sonic Zhang 2010-10-27 04:16:50 -04:00 committed by Greg Kroah-Hartman
parent 6d9e449868
commit 5bb06b62bc
1 changed files with 2 additions and 2 deletions
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4
drivers/serial/bfin_5xx.c
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@ -849,6 +849,8 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
if (termios->c_cflag & CMSPAR)
lcr |= STP;
spin_lock_irqsave(&uart->port.lock, flags);
port->read_status_mask = OE;
if (termios->c_iflag & INPCK)
port->read_status_mask |= (FE | PE);
@ -878,8 +880,6 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
if (termios->c_line != N_IRDA)
quot -= ANOMALY_05000230;
spin_lock_irqsave(&uart->port.lock, flags);
UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15);
/* Disable UART */