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path: root/drivers/serial/bfin_5xx.c
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Diffstat (limited to 'drivers/serial/bfin_5xx.c')
-rw-r--r--drivers/serial/bfin_5xx.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 96f7e7484fe..a9eff2b18ea 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -797,7 +797,7 @@ static void bfin_serial_shutdown(struct uart_port *port)
gpio_free(uart->rts_pin);
#endif
#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
- if (UART_GET_IER(uart) && EDSSI)
+ if (UART_GET_IER(uart) & EDSSI)
free_irq(uart->status_irq, uart);
#endif
}
@@ -869,7 +869,12 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
}
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
- quot = uart_get_divisor(port, baud) - ANOMALY_05000230;
+ quot = uart_get_divisor(port, baud);
+
+ /* If discipline is not IRDA, apply ANOMALY_05000230 */
+ 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);
@@ -952,15 +957,12 @@ bfin_serial_verify_port(struct uart_port *port, struct serial_struct *ser)
* Enable the IrDA function if tty->ldisc.num is N_IRDA.
* In other cases, disable IrDA function.
*/
-static void bfin_serial_set_ldisc(struct uart_port *port)
+static void bfin_serial_set_ldisc(struct uart_port *port, int ld)
{
int line = port->line;
unsigned short val;
- if (line >= port->state->port.tty->driver->num)
- return;
-
- switch (port->state->port.tty->termios->c_line) {
+ switch (ld) {
case N_IRDA:
val = UART_GET_GCTL(&bfin_serial_ports[line]);
val |= (IREN | RPOLC);