[PATCH 02/12] platform: add bus device

[Jean-Christophe PLAGNIOL-VILLARD]

automatically add it as parent if the device does not have a parent already

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 drivers/base/platform.c |   18 ++++++++++++++----
 include/driver.h        |    3 ++-
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index ea4e37b..08787f6 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -57,19 +57,28 @@ static void platform_remove(struct device_d *dev)
 
 int platform_driver_register(struct driver_d *drv)
 {
-	drv->bus = &platform_bus;
+	drv->bus = &platform_bus_type;
 
 	return register_driver(drv);
 }
 
 int platform_device_register(struct device_d *new_device)
 {
-	new_device->bus = &platform_bus;
+	new_device->bus = &platform_bus_type;
+	if (!new_device->parent) {
+		new_device->parent = &platform_bus;
+		dev_add_child(new_device->parent, new_device);
+	}
 
 	return register_device(new_device);
 }
 
-struct bus_type platform_bus = {
+struct device_d platform_bus = {
+	.name = "platfrom",
+	.id = DEVICE_ID_SINGLE,
+};
+
+struct bus_type platform_bus_type = {
 	.name = "platform",
 	.match = platform_match,
 	.probe = platform_probe,
@@ -78,6 +87,7 @@ struct bus_type platform_bus = {
 
 static int plarform_init(void)
 {
-	return bus_register(&platform_bus);
+	register_device(&platform_bus);
+	return bus_register(&platform_bus_type);
 }
 pure_initcall(plarform_init);
diff --git a/include/driver.h b/include/driver.h
index dd22c77..5d85c1d 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -399,7 +399,8 @@ extern struct list_head bus_list;
  */
 #define bus_for_each_driver(bus, drv) list_for_each_entry(drv, &(bus)->driver_list, bus_list)
 
-extern struct bus_type platform_bus;
+extern struct bus_type platform_bus_type;
+extern struct device_d platform_bus;
 
 int platform_driver_register(struct driver_d *drv);
 int platform_device_register(struct device_d *new_device);
-- 
1.7.10.4