driver core: move driver_find() to bus.c

This function really is a bus function, not a driver one, so move it from driver.c to bus.c so that we can clean up some internal bus logic easier.

Greg Kroah-Hartman committed 3 years ago

Commit adc18501 parent b5aaecb2 files · +27 −27Browse files

Showing the changes to drivers/base/driver.c (1 of 2 files). Show all

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@@ -274,30 +274,3 @@ void driver_unregister(struct device_driver *drv) · 273 unmodified lines
274	274	bus_remove_driver(drv);
275	275	}
276	276	EXPORT_SYMBOL_GPL(driver_unregister);
277		−
278		−/**
279		− * driver_find - locate driver on a bus by its name.
280		− * @name: name of the driver.
281		− * @bus: bus to scan for the driver.
282		− *
283		− * Call kset_find_obj() to iterate over list of drivers on
284		− * a bus to find driver by name. Return driver if found.
285		− *
286		− * This routine provides no locking to prevent the driver it returns
287		− * from being unregistered or unloaded while the caller is using it.
288		− * The caller is responsible for preventing this.
289		− */
290		−struct device_driver driver_find(const char name, struct bus_type *bus)
291		−{
292		− struct kobject *k = kset_find_obj(bus->p->drivers_kset, name);
293		− struct driver_private *priv;
294		−
295		− if (k) {
296		− /* Drop reference added by kset_find_obj() */
297		− kobject_put(k);
298		− priv = to_driver(k);
299		− return priv->driver;
300		− }
301		− return NULL;
302		−}
303		−EXPORT_SYMBOL_GPL(driver_find);