diff options
Diffstat (limited to 'drivers/serial/of_serial.c')
| -rw-r--r-- | drivers/serial/of_serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c index c0e50a4..8aacfb7 100644 --- a/drivers/serial/of_serial.c +++ b/drivers/serial/of_serial.c @@ -56,7 +56,9 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev, port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_FIXED_PORT; port->dev = &ofdev->dev; - port->custom_divisor = *clk / (16 * (*spd)); + /* If current-speed was set, then try not to change it. */ + if (spd) + port->custom_divisor = *clk / (16 * (*spd)); return 0; } |