summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget
diff options
context:
space:
mode:
authorPeter Chen <peter.chen@freescale.com>2014-11-06 09:28:03 +0300
committerFelipe Balbi <balbi@ti.com>2014-11-11 02:19:37 +0300
commit69aa1f9f5e210aac765e3595d3d67a7477ae431a (patch)
tree75f6223c9d44e3e25e712389d172f22baa28e513 /drivers/usb/gadget
parent236e5064fc06ce3609b3521ca148ad0f8c3c18f6 (diff)
downloadlinux-69aa1f9f5e210aac765e3595d3d67a7477ae431a.tar.xz
usb: gadget: mv_udc_core: 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: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/udc/mv_udc_core.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
index f104ac090a99..d4edd763e963 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -1307,6 +1307,23 @@ static void nuke(struct mv_ep *ep, int status)
}
}
+static void gadget_reset(struct mv_udc *udc, struct usb_gadget_driver *driver)
+{
+ struct mv_ep *ep;
+
+ nuke(&udc->eps[0], -ESHUTDOWN);
+
+ list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
+ nuke(ep, -ESHUTDOWN);
+ }
+
+ /* report reset; the driver is already quiesced */
+ if (driver) {
+ spin_unlock(&udc->lock);
+ usb_gadget_udc_reset(&udc->gadget, driver);
+ spin_lock(&udc->lock);
+ }
+}
/* stop all USB activities */
static void stop_activity(struct mv_udc *udc, struct usb_gadget_driver *driver)
{
@@ -1881,7 +1898,7 @@ static void irq_process_reset(struct mv_udc *udc)
dev_info(&udc->dev->dev, "usb bus reset\n");
udc->usb_state = USB_STATE_DEFAULT;
/* reset all the queues, stop all USB activities */
- stop_activity(udc, udc->driver);
+ gadget_reset(udc, udc->driver);
} else {
dev_info(&udc->dev->dev, "USB reset portsc 0x%x\n",
readl(&udc->op_regs->portsc));