--- linux-2.6.9/drivers/input/serio/i8042.c.old	2004-11-04 10:28:58.000000000 +0100
+++ linux-2.6.9/drivers/input/serio/i8042.c	2004-11-05 15:16:24.000000000 +0100
@@ -61,6 +61,12 @@
 MODULE_PARM_DESC(noacpi, "Do not use ACPI to detect controller settings");
 #endif
 
+#ifdef CONFIG_PNP
+static int i8042_nopnp;
+module_param_named(nopnp, i8042_nopnp, bool, 0);
+MODULE_PARM_DESC(nopnp, "Do not use PNP to detect controller settings");
+#endif
+
 #define DEBUG
 #ifdef DEBUG
 static int i8042_debug;
--- linux-2.6.9/drivers/input/serio/i8042-x86ia64io.h.old	2004-11-04 10:29:11.000000000 +0100
+++ linux-2.6.9/drivers/input/serio/i8042-x86ia64io.h	2004-11-05 15:20:03.000000000 +0100
@@ -88,6 +88,116 @@
 };
 #endif
 
+#ifdef CONFIG_PNP
+#include <linux/pnp.h>
+
+static int i8042_pnp_kbd_registered;
+static int i8042_pnp_aux_registered;
+
+
+static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
+{
+	if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
+		i8042_data_reg = pnp_port_start(dev,0);
+	else
+		printk(KERN_WARNING "PNP: [%s] has no data port; default is 0x%x\n",
+			pnp_dev_name(dev), i8042_data_reg);
+
+	if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
+		i8042_command_reg = pnp_port_start(dev,1);
+	else
+		printk(KERN_WARNING "PNP: [%s] has no command port; default is 0x%x\n",
+			pnp_dev_name(dev), i8042_command_reg);
+
+	if (pnp_irq_valid(dev,0))
+		i8042_kbd_irq = pnp_irq(dev,0);
+	else
+		printk(KERN_WARNING "PNP: [%s] has no IRQ; default is %d\n",
+			pnp_dev_name(dev), i8042_kbd_irq);
+
+	printk("PNP: %s [%s] at I/O 0x%x, 0x%x, irq %d\n",
+		"PS/2 Keyboard Controller", pnp_dev_name(dev),
+		i8042_data_reg, i8042_command_reg, i8042_kbd_irq);
+
+	return 0;
+}
+
+static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
+{
+	if (pnp_irq_valid(dev,0))
+		i8042_aux_irq = pnp_irq(dev,0);
+	else
+		printk(KERN_WARNING "PNP: [%s] has no IRQ; default is %d\n",
+			pnp_dev_name(dev), i8042_aux_irq);
+
+	printk("PNP: %s [%s] at irq %d\n",
+		"PS/2 Mouse Controller", pnp_dev_name(dev), i8042_aux_irq);
+
+	return 0;
+}
+
+static struct pnp_device_id pnp_kbd_devids[] = {
+	{ .id = "PNP0303", .driver_data = 0 },
+	{ .id = "PNP030b", .driver_data = 0 },
+	{ .id = "", },
+};
+
+static struct pnp_driver i8042_pnp_kbd_driver = {
+	.name           = "i8042 kbd",
+	.id_table       = pnp_kbd_devids,
+	.probe          = i8042_pnp_kbd_probe,
+};
+
+static struct pnp_device_id pnp_aux_devids[] = {
+	{ .id = "PNP0f13", .driver_data = 0 },
+	{ .id = "SYN0801", .driver_data = 0 },
+	{ .id = "", },
+};
+
+static struct pnp_driver i8042_pnp_aux_driver = {
+	.name           = "i8042 aux",
+	.id_table       = pnp_aux_devids,
+	.probe          = i8042_pnp_aux_probe,
+};
+
+static int i8042_pnp_init(void)
+{
+	int result;
+
+	if (i8042_nopnp) {
+		printk("i8042: PNP detection disabled\n");
+		return 0;
+	}
+
+	result = pnp_register_driver(&i8042_pnp_kbd_driver);
+	if (result < 0)
+		return result;
+
+	if (result == 0) {
+		pnp_unregister_driver(&i8042_pnp_kbd_driver);
+		return -ENODEV;
+	}
+	i8042_pnp_kbd_registered = 1;
+
+	result = pnp_register_driver(&i8042_pnp_aux_driver);
+	if (result >= 0)
+		i8042_pnp_aux_registered = 1;
+	if (result == 0)
+		i8042_noaux = 1;
+
+	return 0;
+}
+
+static void i8042_pnp_exit(void)
+{
+	if (i8042_pnp_kbd_registered)
+		pnp_unregister_driver(&i8042_pnp_kbd_driver);
+
+	if (i8042_pnp_aux_registered)
+		pnp_unregister_driver(&i8042_pnp_aux_driver);
+}
+#endif
+
 #ifdef CONFIG_ACPI
 #include <linux/acpi.h>
 #include <acpi/acpi_bus.h>
@@ -281,6 +391,11 @@
 	i8042_kbd_irq = I8042_MAP_IRQ(1);
 	i8042_aux_irq = I8042_MAP_IRQ(12);
 
+#ifdef CONFIG_PNP
+	if (i8042_pnp_init())
+		return -1;
+#endif
+
 #ifdef CONFIG_ACPI
 	if (i8042_acpi_init())
 		return -1;
@@ -300,6 +415,9 @@
 
 static inline void i8042_platform_exit(void)
 {
+#ifdef CONFIG_PNP
+	i8042_pnp_exit();
+#endif
 #ifdef CONFIG_ACPI
 	i8042_acpi_exit();
 #endif