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authorAlan Stern <stern@rowland.harvard.edu>2014-11-06 14:27:55 +0800
committerFelipe Balbi <balbi@ti.com>2014-11-10 17:19:35 -0600
commit8480484d6f4a5b7d50262702db082b0fd13e7df5 (patch)
tree0eb3329c96a68ad20c3f2cd18100a6a8b03e3409 /drivers/usb/gadget/udc
parent1189f7f6dcf045ff970f619734420c6dd3d8526e (diff)
usb: gadget: dummy-hcd: use udc-core's reset notifier
Replace usb_gadget_driver's disconnect with udc-core's reset notifier at bus reset handler. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Peter chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/udc')
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 254b9e7659f3..1c69c760408e 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -367,19 +367,22 @@ static void set_link_state(struct dummy_hcd *dum_hcd)
dum_hcd->active)
dum_hcd->resuming = 0;
- /* if !connected or reset */
+ /* Currently !connected or in reset */
if ((dum_hcd->port_status & USB_PORT_STAT_CONNECTION) == 0 ||
(dum_hcd->port_status & USB_PORT_STAT_RESET) != 0) {
- /*
- * We're connected and not reset (reset occurred now),
- * and driver attached - disconnect!
- */
- if ((dum_hcd->old_status & USB_PORT_STAT_CONNECTION) != 0 &&
- (dum_hcd->old_status & USB_PORT_STAT_RESET) == 0 &&
- dum->driver) {
+ unsigned disconnect = USB_PORT_STAT_CONNECTION &
+ dum_hcd->old_status & (~dum_hcd->port_status);
+ unsigned reset = USB_PORT_STAT_RESET &
+ (~dum_hcd->old_status) & dum_hcd->port_status;
+
+ /* Report reset and disconnect events to the driver */
+ if (dum->driver && (disconnect || reset)) {
stop_activity(dum);
spin_unlock(&dum->lock);
- dum->driver->disconnect(&dum->gadget);
+ if (reset)
+ usb_gadget_udc_reset(&dum->gadget, dum->driver);
+ else
+ dum->driver->disconnect(&dum->gadget);
spin_lock(&dum->lock);
}
} else if (dum_hcd->active != dum_hcd->old_active) {