[PATCH 1/1] serial/uuc_uart: Support higher bitrates than 115200 Bit/s

[Alexander Stein]

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 at systec-electronic.com>
---
 drivers/tty/serial/ucc_uart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 @@ static void qe_uart_set_termios(struct uart_port *port,
 	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);
-- 
2.3.6