usb: gadget: udc-core: initialize gadget->dev.driver

if we initialize gadget->dev.driver ourselves,
UDC drivers won't have to do the same, so we
can remove some duplicated code.

Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 447a1614736e..2423d024654f 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -247,6 +247,7 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
 
         udc->driver = NULL;
         udc->dev.driver = NULL;
+        udc->gadget->dev.driver = NULL;
 }
 
 /**
@@ -296,6 +297,7 @@ static int udc_bind_to_driver(struct usb_udc *udc, struct usb_gadget_driver *dri
 
         udc->driver = driver;
         udc->dev.driver = &driver->driver;
+        udc->gadget->dev.driver = &driver->driver;
 
         ret = driver->bind(udc->gadget, driver);
         if (ret)
@@ -314,6 +316,7 @@ err1:
                         udc->driver->function, ret);
         udc->driver = NULL;
         udc->dev.driver = NULL;
+        udc->gadget->dev.driver = NULL;
         return ret;
 }