usb: gadget: dummy_hcd: use dummy_pullup() instead of open coding

The removed code does the same thing as dummy_pullup(). The only
difference is that in dummy_udc_stop() the first dummy_pullup()
did not call usb_hcd_poll_rh_status().

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 d040dc4..cecc25a 100644 (file)
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -944,31 +944,21 @@ static int dummy_udc_start(struct usb_gadget_driver *driver,
                return retval;
        }
 
-       /* khubd will enumerate this in a while */
-       spin_lock_irq (&dum->lock);
-       dum->pullup = 1;
-       if (dum->gadget.speed == USB_SPEED_SUPER) {
+       if (dum->gadget.speed == USB_SPEED_SUPER)
                dum->gadget.is_otg =
                        (dummy_hcd_to_hcd(dum->ss_hcd)->self.otg_port != 0);
-               set_link_state(dum->ss_hcd);
-       } else {
+       else
                dum->gadget.is_otg =
                        (dummy_hcd_to_hcd(dum->hs_hcd)->self.otg_port != 0);
-               set_link_state(dum->hs_hcd);
-       }
 
-       spin_unlock_irq (&dum->lock);
-
-       usb_hcd_poll_rh_status((dum->gadget.speed == USB_SPEED_SUPER ?
-                               dummy_hcd_to_hcd(dum->ss_hcd) :
-                               dummy_hcd_to_hcd(dum->hs_hcd)));
+       /* khubd will enumerate this in a while */
+       dummy_pullup(&dum->gadget, 1);
        return 0;
 }
 
 static int dummy_udc_stop(struct usb_gadget_driver *driver)
 {
        struct dummy    *dum = &the_controller;
-       unsigned long   flags;
 
        if (!dum)
                return -ENODEV;
@@ -978,23 +968,13 @@ static int dummy_udc_stop(struct usb_gadget_driver *driver)
        dev_dbg (udc_dev(dum), "unregister gadget driver '%s'\n",
                        driver->driver.name);
 
-       spin_lock_irqsave (&dum->lock, flags);
-       dum->pullup = 0;
-       set_link_state((dum->gadget.speed == USB_SPEED_SUPER ?
-                       dum->ss_hcd : dum->hs_hcd));
-       spin_unlock_irqrestore (&dum->lock, flags);
+       dummy_pullup(&dum->gadget, 0);
 
        driver->unbind (&dum->gadget);
        dum->gadget.dev.driver = NULL;
        dum->driver = NULL;
-       spin_lock_irqsave (&dum->lock, flags);
-       dum->pullup = 0;
-       set_link_state((dum->gadget.speed == USB_SPEED_SUPER ?
-                       dum->ss_hcd : dum->hs_hcd));
-       spin_unlock_irqrestore (&dum->lock, flags);
-       usb_hcd_poll_rh_status((dum->gadget.speed == USB_SPEED_SUPER ?
-                               dummy_hcd_to_hcd(dum->ss_hcd) :
-                               dummy_hcd_to_hcd(dum->hs_hcd)));
+
+       dummy_pullup(&dum->gadget, 0);
        return 0;
 }