serial: don't register CIR serial ports

[cascardo/linux.git] / drivers / tty / serial / 8250 / 8250_core.c

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 271d121..3912646 100644 (file)
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -569,6 +569,9 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
        for (i = 0; i < nr_uarts; i++) {
                struct uart_8250_port *up = &serial8250_ports[i];
 
+               if (up->port.type == PORT_8250_CIR)
+                       continue;
+
                if (up->port.dev)
                        continue;
 
@@ -1027,13 +1030,24 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
                if (up->dl_write)
                        uart->dl_write = up->dl_write;
 
-               if (serial8250_isa_config != NULL)
-                       serial8250_isa_config(0, &uart->port,
-                                       &uart->capabilities);
+               if (uart->port.type != PORT_8250_CIR) {
+                       if (serial8250_isa_config != NULL)
+                               serial8250_isa_config(0, &uart->port,
+                                               &uart->capabilities);
+
+                       ret = uart_add_one_port(&serial8250_reg,
+                                               &uart->port);
+                       if (ret == 0)
+                               ret = uart->port.line;
+               } else {
+                       dev_info(uart->port.dev,
+                               "skipping CIR port at 0x%lx / 0x%llx, IRQ %d\n",
+                               uart->port.iobase,
+                               (unsigned long long)uart->port.mapbase,
+                               uart->port.irq);
 
-               ret = uart_add_one_port(&serial8250_reg, &uart->port);
-               if (ret == 0)
-                       ret = uart->port.line;
+                       ret = 0;
+               }
        }
        mutex_unlock(&serial_mutex);