diff options
Diffstat (limited to 'drivers/tty/serial/8250/8250_of.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_of.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 3613a6aabfb3..c51044ba503c 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -105,6 +105,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev, if (of_property_read_u32(np, "reg-offset", &prop) == 0) port->mapbase += prop; + /* Compatibility with the deprecated pxa driver and 8250_pxa drivers. */ + if (of_device_is_compatible(np, "mrvl,mmp-uart")) + port->regshift = 2; + /* Check for registers offset within the devices address range */ if (of_property_read_u32(np, "reg-shift", &prop) == 0) port->regshift = prop; @@ -228,6 +232,11 @@ static int of_platform_serial_probe(struct platform_device *ofdev) if (of_property_read_bool(ofdev->dev.of_node, "auto-flow-control")) port8250.capabilities |= UART_CAP_AFE; + if (of_property_read_u32(ofdev->dev.of_node, + "overrun-throttle-ms", + &port8250.overrun_backoff_time_ms) != 0) + port8250.overrun_backoff_time_ms = 0; + ret = serial8250_register_8250_port(&port8250); if (ret < 0) goto err_dispose; |