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path: root/drivers/usb/gadget/dummy_hcd.c
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Diffstat (limited to 'drivers/usb/gadget/dummy_hcd.c')
-rw-r--r--drivers/usb/gadget/dummy_hcd.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index d3dcabc1a5fc..d47a565d085c 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -710,11 +710,17 @@ static int dummy_pullup (struct usb_gadget *_gadget, int value)
return 0;
}
+static int dummy_udc_start(struct usb_gadget_driver *driver,
+ int (*bind)(struct usb_gadget *));
+static int dummy_udc_stop(struct usb_gadget_driver *driver);
+
static const struct usb_gadget_ops dummy_ops = {
.get_frame = dummy_g_get_frame,
.wakeup = dummy_wakeup,
.set_selfpowered = dummy_set_selfpowered,
.pullup = dummy_pullup,
+ .start = dummy_udc_start,
+ .stop = dummy_udc_stop,
};
/*-------------------------------------------------------------------------*/
@@ -747,8 +753,7 @@ static DEVICE_ATTR (function, S_IRUGO, show_function, NULL);
* for each driver that registers: just add to a big root hub.
*/
-int
-usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int dummy_udc_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct dummy *dum = the_controller;
@@ -812,10 +817,8 @@ usb_gadget_probe_driver(struct usb_gadget_driver *driver,
usb_hcd_poll_rh_status (dummy_to_hcd (dum));
return 0;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-int
-usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
+static int dummy_udc_stop(struct usb_gadget_driver *driver)
{
struct dummy *dum = the_controller;
unsigned long flags;
@@ -845,7 +848,6 @@ usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
usb_hcd_poll_rh_status (dummy_to_hcd (dum));
return 0;
}
-EXPORT_SYMBOL (usb_gadget_unregister_driver);
#undef is_enabled
@@ -892,11 +894,20 @@ static int dummy_udc_probe (struct platform_device *pdev)
return rc;
}
+ rc = usb_add_gadget_udc(&pdev->dev, &dum->gadget);
+ if (rc < 0)
+ goto err_udc;
+
rc = device_create_file (&dum->gadget.dev, &dev_attr_function);
if (rc < 0)
- device_unregister (&dum->gadget.dev);
- else
- platform_set_drvdata(pdev, dum);
+ goto err_dev;
+ platform_set_drvdata(pdev, dum);
+ return rc;
+
+err_dev:
+ usb_del_gadget_udc(&dum->gadget);
+err_udc:
+ device_unregister(&dum->gadget.dev);
return rc;
}
@@ -904,6 +915,7 @@ static int dummy_udc_remove (struct platform_device *pdev)
{
struct dummy *dum = platform_get_drvdata (pdev);
+ usb_del_gadget_udc(&dum->gadget);
platform_set_drvdata (pdev, NULL);
device_remove_file (&dum->gadget.dev, &dev_attr_function);
device_unregister (&dum->gadget.dev);
@@ -1863,7 +1875,6 @@ static void dummy_stop (struct usb_hcd *hcd)
dum = hcd_to_dummy (hcd);
device_remove_file (dummy_dev(dum), &dev_attr_urbs);
- usb_gadget_unregister_driver (dum->driver);
dev_info (dummy_dev(dum), "stopped\n");
}