serial/uuc_uart: Support higher bitrates than 115200 Bit/s
The maximum bitrate supported depends on the clock rate used in BRG.
This is stored in port.uartclk during probe. Respecting the 16x
oversampling higher bitrates can be supported.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
index 7d2532b..73190f5 100644
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -950,7 +950,7 @@
if ((termios->c_cflag & CREAD) == 0)
port->read_status_mask &= ~BD_SC_EMPTY;
- baud = uart_get_baud_rate(port, termios, old, 0, 115200);
+ baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
/* Do we really need a spinlock here? */
spin_lock_irqsave(&port->lock, flags);