[POWERPC] ibmebus: Move to of_device and of_platform_driver, match eHCA and eHEA drivers

Replace struct ibmebus_dev and struct ibmebus_driver with struct of_device
and struct of_platform_driver, respectively.  Match the external ibmebus
interface and drivers using it.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Roland Dreier <rolandd@cisco.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 15 insertions, 13 deletions

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index d21658140b6..289d7e93591 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -193,21 +193,26 @@ static int ibmebus_create_devices(const struct of_device_id *matches)
         return ret;
 }
 
-int ibmebus_register_driver(struct ibmebus_driver *drv)
+int ibmebus_register_driver(struct of_platform_driver *drv)
 {
-        return 0;
+        /* If the driver uses devices that ibmebus doesn't know, add them */
+        ibmebus_create_devices(drv->match_table);
+
+        drv->driver.name   = drv->name;
+        drv->driver.bus    = &ibmebus_bus_type;
+
+        return driver_register(&drv->driver);
 }
 EXPORT_SYMBOL(ibmebus_register_driver);
 
-void ibmebus_unregister_driver(struct ibmebus_driver *drv)
+void ibmebus_unregister_driver(struct of_platform_driver *drv)
 {
+        driver_unregister(&drv->driver);
 }
 EXPORT_SYMBOL(ibmebus_unregister_driver);
 
-int ibmebus_request_irq(struct ibmebus_dev *dev,
-                        u32 ist,
-                        irq_handler_t handler,
-                        unsigned long irq_flags, const char * devname,
+int ibmebus_request_irq(u32 ist, irq_handler_t handler,
+                        unsigned long irq_flags, const char *devname,
                         void *dev_id)
 {
         unsigned int irq = irq_create_mapping(NULL, ist);
@@ -215,12 +220,11 @@ int ibmebus_request_irq(struct ibmebus_dev *dev,
         if (irq == NO_IRQ)
                 return -EINVAL;
 
-        return request_irq(irq, handler,
-                           irq_flags, devname, dev_id);
+        return request_irq(irq, handler, irq_flags, devname, dev_id);
 }
 EXPORT_SYMBOL(ibmebus_request_irq);
 
-void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
+void ibmebus_free_irq(u32 ist, void *dev_id)
 {
         unsigned int irq = irq_find_mapping(NULL, ist);
 
@@ -231,9 +235,7 @@ EXPORT_SYMBOL(ibmebus_free_irq);
 static ssize_t name_show(struct device *dev,
                          struct device_attribute *attr, char *buf)
 {
-        struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
-        const char *name = of_get_property(ebus_dev->ofdev.node, "name", NULL);
-        return sprintf(buf, "%s\n", name);
+        return sprintf(buf, "%s\n", to_of_device(dev)->node->name);
 }
 
 static struct device_attribute ibmebus_dev_attrs[] = {