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Diffstat (limited to 'drivers/base/driver.c')
-rw-r--r--drivers/base/driver.c29
1 files changed, 1 insertions, 28 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 676b6275d5b5..c8436c26ed6a 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -224,7 +224,7 @@ int driver_register(struct device_driver *drv)
int ret;
struct device_driver *other;
- if (!drv->bus->p) {
+ if (!bus_is_registered(drv->bus)) {
pr_err("Driver '%s' was unable to register with bus_type '%s' because the bus was not initialized.\n",
drv->name, drv->bus->name);
return -EINVAL;
@@ -274,30 +274,3 @@ void driver_unregister(struct device_driver *drv)
bus_remove_driver(drv);
}
EXPORT_SYMBOL_GPL(driver_unregister);
-
-/**
- * driver_find - locate driver on a bus by its name.
- * @name: name of the driver.
- * @bus: bus to scan for the driver.
- *
- * Call kset_find_obj() to iterate over list of drivers on
- * a bus to find driver by name. Return driver if found.
- *
- * This routine provides no locking to prevent the driver it returns
- * from being unregistered or unloaded while the caller is using it.
- * The caller is responsible for preventing this.
- */
-struct device_driver *driver_find(const char *name, struct bus_type *bus)
-{
- struct kobject *k = kset_find_obj(bus->p->drivers_kset, name);
- struct driver_private *priv;
-
- if (k) {
- /* Drop reference added by kset_find_obj() */
- kobject_put(k);
- priv = to_driver(k);
- return priv->driver;
- }
- return NULL;
-}
-EXPORT_SYMBOL_GPL(driver_find);