Revert "device: add device_shutdown_by_driver() helper"

This reverts commit 3cbd5bf6892f0c8c6a12d5848af1e1b46ec50eef.
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/base/core.c

@@ -2929,36 +2929,6 @@ void device_shutdown(void)
 	spin_unlock(&devices_kset->list_lock);
 }
 
-void device_shutdown_by_driver(char *drv_name)
-{
-	struct device *dev, *parent, *next;
-	int len = 0;
-
-	if (!drv_name)
-		return;
-
-	len = strlen(drv_name);
-	if (!len)
-		return;
-
-	wait_for_device_probe();
-	device_block_probing();
-
-	spin_lock(&devices_kset->list_lock);
-	list_for_each_entry_safe(dev, next, &devices_kset->list, kobj.entry) {
-		if (dev->driver && len == strlen(dev->driver->name) &&
-		    !strncmp(dev->driver->name, drv_name, len)) {
-			parent = get_device(dev->parent);
-			get_device(dev);
-			list_del(&dev->kobj.entry);
-			spin_unlock(&devices_kset->list_lock);
-			device_shutdown_one(dev, parent);
-			spin_lock(&devices_kset->list_lock);
-		}
-	}
-	spin_unlock(&devices_kset->list_lock);
-}
-
 /*
  * Device logging functions
  */

include/linux/device.h

@@ -1321,7 +1321,6 @@ static inline int devtmpfs_mount(const char *mountpoint) { return 0; }
 
 /* drivers/base/power/shutdown.c */
 extern void device_shutdown(void);
-extern void device_shutdown_by_driver(char *drv_name);
 
 /* debugging and troubleshooting/diagnostic helpers. */
 extern const char *dev_driver_string(const struct device *dev);