1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 161f3a390d90..b400314e1c62 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -171,6 +171,11 @@ static void klist_devices_put(struct klist_node *n)
  */
 int driver_register(struct device_driver * drv)
 {
+        if ((drv->bus->probe && drv->probe) ||
+            (drv->bus->remove && drv->remove) ||
+            (drv->bus->shutdown && drv->shutdown)) {
+                printk(KERN_WARNING "Driver '%s' needs updating - please use bus_type methods\n", drv->name);
+        }
         klist_init(&drv->klist_devices, klist_devices_get, klist_devices_put);
         init_completion(&drv->unloaded);
         return bus_add_driver(drv);