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serial/uuc_uart: Support higher bitrates than 115200 Bit/s

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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>
This commit is contained in:
Alexander Stein 2015-07-09 10:34:34 +02:00 committed by Greg Kroah-Hartman
parent 7e8af24fbe
commit e5eb517dd8
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/ucc_uart.c
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@ -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);