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Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/8250.c9
-rw-r--r--drivers/serial/serial_core.c7
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 849af9d21fe..3ae497422db 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2903,6 +2903,7 @@ static int __devinit serial8250_probe(struct platform_device *dev)
port.mapbase = p->mapbase;
port.hub6 = p->hub6;
port.private_data = p->private_data;
+ port.type = p->type;
port.serial_in = p->serial_in;
port.serial_out = p->serial_out;
port.dev = &dev->dev;
@@ -3058,6 +3059,14 @@ int serial8250_register_port(struct uart_port *port)
uart->port.private_data = port->private_data;
if (port->dev)
uart->port.dev = port->dev;
+
+ if (port->flags & UPF_FIXED_TYPE) {
+ uart->port.type = port->type;
+ uart->port.fifosize = uart_config[port->type].fifo_size;
+ uart->capabilities = uart_config[port->type].flags;
+ uart->tx_loadsz = uart_config[port->type].tx_loadsz;
+ }
+
set_io_from_upio(&uart->port);
/* Possibly override default I/O functions. */
if (port->serial_in)
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index 9425ed69e0f..dc68b7e0c93 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2179,11 +2179,14 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
* Now do the auto configuration stuff. Note that config_port
* is expected to claim the resources and map the port for us.
*/
- flags = UART_CONFIG_TYPE;
+ flags = 0;
if (port->flags & UPF_AUTO_IRQ)
flags |= UART_CONFIG_IRQ;
if (port->flags & UPF_BOOT_AUTOCONF) {
- port->type = PORT_UNKNOWN;
+ if (!(port->flags & UPF_FIXED_TYPE)) {
+ port->type = PORT_UNKNOWN;
+ flags |= UART_CONFIG_TYPE;
+ }
port->ops->config_port(port, flags);
}