usb: gadget: dummy_hcd: convert to new-style udc-probe
bind() and pull is moved to udc core, call callbacks are verified by the
upper layer.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index f5c0d8f..e755a9d 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -857,17 +857,18 @@
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 int dummy_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
+static int dummy_udc_stop(struct usb_gadget *g,
+ 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,
+ .udc_start = dummy_udc_start,
+ .udc_stop = dummy_udc_stop,
};
/*-------------------------------------------------------------------------*/
@@ -900,17 +901,13 @@
* for each driver that registers: just add to a big root hub.
*/
-static int dummy_udc_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int dummy_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct dummy *dum = &the_controller;
- int retval;
+ struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g);
+ struct dummy *dum = dum_hcd->dum;
- if (!dum)
- return -EINVAL;
- if (dum->driver)
- return -EBUSY;
- if (!bind || !driver->setup || driver->speed == USB_SPEED_UNKNOWN)
+ if (driver->speed == USB_SPEED_UNKNOWN)
return -EINVAL;
/*
@@ -921,37 +918,20 @@
dum->devstatus = 0;
dum->driver = driver;
- dum->gadget.dev.driver = &driver->driver;
dev_dbg (udc_dev(dum), "binding gadget driver '%s'\n",
driver->driver.name);
- retval = bind(&dum->gadget);
- if (retval) {
- dum->driver = NULL;
- dum->gadget.dev.driver = NULL;
- return retval;
- }
-
- /* khubd will enumerate this in a while */
- dummy_pullup(&dum->gadget, 1);
return 0;
}
-static int dummy_udc_stop(struct usb_gadget_driver *driver)
+static int dummy_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct dummy *dum = &the_controller;
-
- if (!dum)
- return -ENODEV;
- if (!driver || driver != dum->driver || !driver->unbind)
- return -EINVAL;
+ struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g);
+ struct dummy *dum = dum_hcd->dum;
dev_dbg (udc_dev(dum), "unregister gadget driver '%s'\n",
driver->driver.name);
- dummy_pullup(&dum->gadget, 0);
-
- driver->unbind (&dum->gadget);
- dum->gadget.dev.driver = NULL;
dum->driver = NULL;
dummy_pullup(&dum->gadget, 0);