X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fserial%2Fof_serial.c;h=a64d858219969d218c9a973d5b04224a838ea433;hb=444ad82bc3eaa554be40d22dc248e58aeefd54d9;hp=09b0b736a751e6e4bbe9ff5537b1a143b6cbd06a;hpb=9468482bd4c3b89abe04a770848d5eaa1ea830b0;p=linux-2.6

diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 09b0b736a7..a64d858219 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -17,6 +17,11 @@
 #include <asm/of_platform.h>
 #include <asm/prom.h>
 
+struct of_serial_info {
+	int type;
+	int line;
+};
+
 /*
  * Fill a struct uart_port for a given device node
  */
@@ -29,8 +34,8 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
 	int ret;
 
 	memset(port, 0, sizeof *port);
-	spd = get_property(np, "current-speed", NULL);
-	clk = get_property(np, "clock-frequency", NULL);
+	spd = of_get_property(np, "current-speed", NULL);
+	clk = of_get_property(np, "clock-frequency", NULL);
 	if (!clk) {
 		dev_warn(&ofdev->dev, "no clock-frequency property set\n");
 		return -ENODEV;
@@ -48,7 +53,8 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
 	port->iotype = UPIO_MEM;
 	port->type = type;
 	port->uartclk = *clk;
-	port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP;
+	port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP
+		| UPF_FIXED_PORT;
 	port->dev = &ofdev->dev;
 	port->custom_divisor = *clk / (16 * (*spd));
 
@@ -61,6 +67,7 @@ static int __devinit of_platform_serial_setup(struct of_device *ofdev,
 static int __devinit of_platform_serial_probe(struct of_device *ofdev,
 						const struct of_device_id *id)
 {
+	struct of_serial_info *info;
 	struct uart_port port;
 	int port_type;
 	int ret;
@@ -68,30 +75,35 @@ static int __devinit of_platform_serial_probe(struct of_device *ofdev,
 	if (of_find_property(ofdev->node, "used-by-rtas", NULL))
 		return -EBUSY;
 
+	info = kmalloc(sizeof(*info), GFP_KERNEL);
+	if (info == NULL)
+		return -ENOMEM;
+
 	port_type = (unsigned long)id->data;
 	ret = of_platform_serial_setup(ofdev, port_type, &port);
 	if (ret)
 		goto out;
 
 	switch (port_type) {
-	case PORT_UNKNOWN:
-		dev_info(&ofdev->dev, "Unknown serial port found, "
-			"attempting to use 8250 driver\n");
-		/* fallthrough */
 	case PORT_8250 ... PORT_MAX_8250:
 		ret = serial8250_register_port(&port);
 		break;
 	default:
 		/* need to add code for these */
+	case PORT_UNKNOWN:
+		dev_info(&ofdev->dev, "Unknown serial port found, ignored\n");
 		ret = -ENODEV;
 		break;
 	}
 	if (ret < 0)
 		goto out;
 
-	ofdev->dev.driver_data = (void *)(unsigned long)ret;
+	info->type = port_type;
+	info->line = ret;
+	ofdev->dev.driver_data = info;
 	return 0;
 out:
+	kfree(info);
 	irq_dispose_mapping(port.irq);
 	return ret;
 }
@@ -101,8 +113,16 @@ out:
  */
 static int of_platform_serial_remove(struct of_device *ofdev)
 {
-	int line = (unsigned long)ofdev->dev.driver_data;
-	serial8250_unregister_port(line);
+	struct of_serial_info *info = ofdev->dev.driver_data;
+	switch (info->type) {
+	case PORT_8250 ... PORT_MAX_8250:
+		serial8250_unregister_port(info->line);
+		break;
+	default:
+		/* need to add code for these */
+		break;
+	}
+	kfree(info);
 	return 0;
 }