[SERIO] i8042-sparcio.h: Convert to of_driver framework.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 6d66351..9cad197 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -3,11 +3,9 @@
#include <linux/config.h>
#include <asm/io.h>
-
-#ifdef CONFIG_PCI
#include <asm/oplib.h>
-#include <asm/ebus.h>
-#endif
+#include <asm/prom.h>
+#include <asm/of_device.h>
static int i8042_kbd_irq = -1;
static int i8042_aux_irq = -1;
@@ -48,54 +46,83 @@
#define OBP_PS2MS_NAME1 "kdmouse"
#define OBP_PS2MS_NAME2 "mouse"
+static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_device_id *match)
+{
+ struct device_node *dp = op->node;
+
+ dp = dp->child;
+ while (dp) {
+ if (!strcmp(dp->name, OBP_PS2KBD_NAME1) ||
+ !strcmp(dp->name, OBP_PS2KBD_NAME2)) {
+ struct of_device *kbd = of_find_device_by_node(dp);
+ unsigned int irq = kbd->irqs[0];
+ if (irq == 0xffffffff)
+ irq = op->irqs[0];
+ i8042_kbd_irq = irq;
+ kbd_iobase = of_ioremap(&kbd->resource[0],
+ 0, 8, "kbd");
+ } else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||
+ !strcmp(dp->name, OBP_PS2MS_NAME2)) {
+ struct of_device *ms = of_find_device_by_node(dp);
+ unsigned int irq = ms->irqs[0];
+ if (irq == 0xffffffff)
+ irq = op->irqs[0];
+ i8042_aux_irq = irq;
+ }
+
+ dp = dp->sibling;
+ }
+
+ return 0;
+}
+
+static int __devexit sparc_i8042_remove(struct of_device *op)
+{
+ of_iounmap(kbd_iobase, 8);
+
+ return 0;
+}
+
+static struct of_device_id sparc_i8042_match[] = {
+ {
+ .name = "8042",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, i8042_match);
+
+static struct of_platform_driver sparc_i8042_driver = {
+ .name = "i8042",
+ .match_table = sparc_i8042_match,
+ .probe = sparc_i8042_probe,
+ .remove = __devexit_p(sparc_i8042_remove),
+};
+
static int __init i8042_platform_init(void)
{
#ifndef CONFIG_PCI
return -ENODEV;
#else
- char prop[128];
- int len;
+ struct device_node *root = of_find_node_by_path("/");
- len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop));
- if (len < 0) {
- printk("i8042: Cannot get name property of root OBP node.\n");
- return -ENODEV;
- }
- if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) {
+ if (!strcmp(root->name, "SUNW,JavaStation-1")) {
/* Hardcoded values for MrCoffee. */
i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
kbd_iobase = ioremap(0x71300060, 8);
if (!kbd_iobase)
return -ENODEV;
} else {
- struct linux_ebus *ebus;
- struct linux_ebus_device *edev;
- struct linux_ebus_child *child;
+ int err = of_register_driver(&sparc_i8042_driver,
+ &of_bus_type);
+ if (err)
+ return err;
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_node->name, "8042"))
- goto edev_found;
- }
- }
- return -ENODEV;
-
- edev_found:
- for_each_edevchild(edev, child) {
- if (!strcmp(child->prom_node->name, OBP_PS2KBD_NAME1) ||
- !strcmp(child->prom_node->name, OBP_PS2KBD_NAME2)) {
- i8042_kbd_irq = child->irqs[0];
- kbd_iobase =
- ioremap(child->resource[0].start, 8);
- }
- if (!strcmp(child->prom_node->name, OBP_PS2MS_NAME1) ||
- !strcmp(child->prom_node->name, OBP_PS2MS_NAME2))
- i8042_aux_irq = child->irqs[0];
- }
if (i8042_kbd_irq == -1 ||
i8042_aux_irq == -1) {
- printk("i8042: Error, 8042 device lacks both kbd and "
- "mouse nodes.\n");
+ if (kbd_iobase) {
+ of_iounmap(kbd_iobase, 8);
+ kbd_iobase = (void __iomem *) NULL;
+ }
return -ENODEV;
}
}
@@ -109,7 +136,10 @@
static inline void i8042_platform_exit(void)
{
#ifdef CONFIG_PCI
- iounmap(kbd_iobase);
+ struct device_node *root = of_find_node_by_path("/");
+
+ if (strcmp(root->name, "SUNW,JavaStation-1"))
+ of_unregister_driver(&sparc_i8042_driver);
#endif
}