[SPARC64]: Add of_device layer and make ebus/isa use it.
Sparcspkr and power drivers are converted, to make sure it works.
Eventually the SBUS device layer will use this as a sub-class.
I really cannot cut loose on that bit until sparc32 is given the
same infrastructure.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 75159a7..9496c77 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -115,66 +115,15 @@
return 1;
}
-static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, struct device_node **prom_node_p)
+static void __devinit power_probe_common(struct of_device *dev, struct resource *res, unsigned int irq)
{
- struct linux_ebus *ebus;
- struct linux_ebus_device *edev;
-
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (!strcmp(edev->prom_node->name, "power")) {
- *resp = &edev->resource[0];
- *irq_p = edev->irqs[0];
- *prom_node_p = edev->prom_node;
- return 0;
- }
- }
- }
- return -ENODEV;
-}
-
-static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, struct device_node **prom_node_p)
-{
- struct sparc_isa_bridge *isa_bus;
- struct sparc_isa_device *isa_dev;
-
- for_each_isa(isa_bus) {
- for_each_isadev(isa_dev, isa_bus) {
- if (!strcmp(isa_dev->prom_node->name, "power")) {
- *resp = &isa_dev->resource;
- *irq_p = isa_dev->irq;
- *prom_node_p = isa_dev->prom_node;
- return 0;
- }
- }
- }
- return -ENODEV;
-}
-
-void __init power_init(void)
-{
- struct resource *res = NULL;
- unsigned int irq;
- struct device_node *dp;
- static int invoked;
-
- if (invoked)
- return;
- invoked = 1;
-
- if (!power_probe_ebus(&res, &irq, &dp))
- goto found;
-
- if (!power_probe_isa(&res, &irq, &dp))
- goto found;
-
- return;
-
-found:
power_reg = ioremap(res->start, 0x4);
+
printk("power: Control reg at %p ... ", power_reg);
+
poweroff_method = machine_halt; /* able to use the standard halt */
- if (has_button_interrupt(irq, dp)) {
+
+ if (has_button_interrupt(irq, dev->node)) {
if (kernel_thread(powerd, NULL, CLONE_FS) < 0) {
printk("Failed to start power daemon.\n");
return;
@@ -188,4 +137,52 @@
printk("not using powerd.\n");
}
}
+
+static struct of_device_id power_match[] = {
+ {
+ .name = "power",
+ },
+ {},
+};
+
+static int __devinit ebus_power_probe(struct of_device *dev, const struct of_device_id *match)
+{
+ struct linux_ebus_device *edev = to_ebus_device(&dev->dev);
+ struct resource *res = &edev->resource[0];
+ unsigned int irq = edev->irqs[0];
+
+ power_probe_common(dev, res,irq);
+
+ return 0;
+}
+
+static struct of_platform_driver ebus_power_driver = {
+ .name = "power",
+ .match_table = power_match,
+ .probe = ebus_power_probe,
+};
+
+static int __devinit isa_power_probe(struct of_device *dev, const struct of_device_id *match)
+{
+ struct sparc_isa_device *idev = to_isa_device(&dev->dev);
+ struct resource *res = &idev->resource;
+ unsigned int irq = idev->irq;
+
+ power_probe_common(dev, res,irq);
+
+ return 0;
+}
+
+static struct of_platform_driver isa_power_driver = {
+ .name = "power",
+ .match_table = power_match,
+ .probe = isa_power_probe,
+};
+
+void __init power_init(void)
+{
+ of_register_driver(&ebus_power_driver, &ebus_bus_type);
+ of_register_driver(&isa_power_driver, &isa_bus_type);
+ return;
+}
#endif /* CONFIG_PCI */