automatically add it as parent if the device does not have a parent already
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
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
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