-#include <linux/config.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/init.h>
int of_register_driver(struct of_platform_driver *drv)
{
- int count = 0;
-
/* initialize common driver fields */
drv->driver.name = drv->name;
drv->driver.bus = &of_platform_bus_type;
/* register with core */
- count = driver_register(&drv->driver);
- return count ? count : 1;
+ return driver_register(&drv->driver);
}
void of_unregister_driver(struct of_platform_driver *drv)
int of_device_register(struct of_device *ofdev)
{
int rc;
- struct of_device **odprop;
BUG_ON(ofdev->node == NULL);
- odprop = (struct of_device **)get_property(ofdev->node, "linux,device", NULL);
- if (!odprop) {
- struct property *new_prop;
-
- new_prop = kmalloc(sizeof(struct property) + sizeof(struct of_device *),
- GFP_KERNEL);
- if (new_prop == NULL)
- return -ENOMEM;
- new_prop->name = "linux,device";
- new_prop->length = sizeof(sizeof(struct of_device *));
- new_prop->value = (unsigned char *)&new_prop[1];
- odprop = (struct of_device **)new_prop->value;
- *odprop = NULL;
- prom_add_property(ofdev->node, new_prop);
- }
- *odprop = ofdev;
-
rc = device_register(&ofdev->dev);
if (rc)
return rc;
void of_device_unregister(struct of_device *ofdev)
{
- struct of_device **odprop;
-
device_remove_file(&ofdev->dev, &dev_attr_devspec);
- odprop = (struct of_device **)get_property(ofdev->node, "linux,device", NULL);
- if (odprop)
- *odprop = NULL;
-
device_unregister(&ofdev->dev);
}