X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fserial%2Fuartlite.c;h=6a3f8fb0c9dd9eb1c1bff91382e1f426b73cb67f;hb=a88487c79bfefb715030c5baa68fbedc1b8732e8;hp=bacf68dca01a04443a4f849d6dffb421a9883775;hpb=26b6f2236615649a0ae6a0de2e9e71a2f9ffeba7;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index bacf68dca01..6a3f8fb0c9d 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -17,10 +17,21 @@
 #include <linux/tty.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
+#include <linux/init.h>
 #include <asm/io.h>
 #if defined(CONFIG_OF)
+#include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
+
+/* Match table for of_platform binding */
+static struct of_device_id ulite_of_match[] __devinitdata = {
+	{ .compatible = "xlnx,opb-uartlite-1.00.b", },
+	{ .compatible = "xlnx,xps-uartlite-1.00.a", },
+	{}
+};
+MODULE_DEVICE_TABLE(of, ulite_of_match);
+
 #endif
 
 #define ULITE_NAME		"ttyUL"
@@ -64,7 +75,7 @@ static struct uart_port ulite_ports[ULITE_NR_UARTS];
 
 static int ulite_receive(struct uart_port *port, int stat)
 {
-	struct tty_struct *tty = port->info->tty;
+	struct tty_struct *tty = port->info->port.tty;
 	unsigned char ch = 0;
 	char flag = TTY_NORMAL;
 
@@ -151,7 +162,7 @@ static irqreturn_t ulite_isr(int irq, void *dev_id)
 		busy |= ulite_transmit(port, stat);
 	} while (busy);
 
-	tty_flip_buffer_push(port->info->tty);
+	tty_flip_buffer_push(port->info->port.tty);
 
 	return IRQ_HANDLED;
 }
@@ -275,6 +286,9 @@ static void ulite_release_port(struct uart_port *port)
 
 static int ulite_request_port(struct uart_port *port)
 {
+	pr_debug("ulite console: port=%p; port->mapbase=%x\n",
+		 port, port->mapbase);
+
 	if (!request_mem_region(port->mapbase, ULITE_REGION, "uartlite")) {
 		dev_err(port->dev, "Memory region busy\n");
 		return -EBUSY;
@@ -375,32 +389,6 @@ static void ulite_console_write(struct console *co, const char *s,
 		spin_unlock_irqrestore(&port->lock, flags);
 }
 
-#if defined(CONFIG_OF)
-static inline void __init ulite_console_of_find_device(int id)
-{
-	struct device_node *np;
-	struct resource res;
-	const unsigned int *of_id;
-	int rc;
-
-	for_each_compatible_node(np, NULL, "xilinx,uartlite") {
-		of_id = of_get_property(np, "port-number", NULL);
-		if ((!of_id) || (*of_id != id))
-			continue;
-
-		rc = of_address_to_resource(np, 0, &res);
-		if (rc)
-			continue;
-
-		ulite_ports[id].mapbase = res.start;
-		of_node_put(np);
-		return;
-	}
-}
-#else /* CONFIG_OF */
-static inline void __init ulite_console_of_find_device(int id) { /* do nothing */ }
-#endif /* CONFIG_OF */
-
 static int __init ulite_console_setup(struct console *co, char *options)
 {
 	struct uart_port *port;
@@ -414,11 +402,7 @@ static int __init ulite_console_setup(struct console *co, char *options)
 
 	port = &ulite_ports[co->index];
 
-	/* Check if it is an OF device */
-	if (!port->mapbase)
-		ulite_console_of_find_device(co->index);
-
-	/* Do we have a device now? */
+	/* Has the device been initialized yet? */
 	if (!port->mapbase) {
 		pr_debug("console on ttyUL%i not present\n", co->index);
 		return -ENODEV;
@@ -577,6 +561,9 @@ static int __devexit ulite_remove(struct platform_device *pdev)
 	return ulite_release(&pdev->dev);
 }
 
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:uartlite");
+
 static struct platform_driver ulite_platform_driver = {
 	.probe	= ulite_probe,
 	.remove	= __devexit_p(ulite_remove),
@@ -597,7 +584,7 @@ ulite_of_probe(struct of_device *op, const struct of_device_id *match)
 	const unsigned int *id;
 	int irq, rc;
 
-	dev_dbg(&op->dev, "%s(%p, %p)\n", __FUNCTION__, op, match);
+	dev_dbg(&op->dev, "%s(%p, %p)\n", __func__, op, match);
 
 	rc = of_address_to_resource(op->node, 0, &res);
 	if (rc) {
@@ -617,13 +604,6 @@ static int __devexit ulite_of_remove(struct of_device *op)
 	return ulite_release(&op->dev);
 }
 
-/* Match table for of_platform binding */
-static struct of_device_id __devinit ulite_of_match[] = {
-	{ .type = "serial", .compatible = "xilinx,uartlite", },
-	{},
-};
-MODULE_DEVICE_TABLE(of, ulite_of_match);
-
 static struct of_platform_driver ulite_of_driver = {
 	.owner = THIS_MODULE,
 	.name = "uartlite",