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path: root/drivers/usb/gadget/langwell_udc.c
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Diffstat (limited to 'drivers/usb/gadget/langwell_udc.c')
-rw-r--r--drivers/usb/gadget/langwell_udc.c32
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c
index 9cee88a43a73..a06e2c27b435 100644
--- a/drivers/usb/gadget/langwell_udc.c
+++ b/drivers/usb/gadget/langwell_udc.c
@@ -593,8 +593,8 @@ static int queue_dtd(struct langwell_ep *ep, struct langwell_request *req)
/* ep0 */
dev_vdbg(&dev->pdev->dev, "%s-%s\n", ep->name, DIR_STRING(ep));
- dev_vdbg(&dev->pdev->dev, "ep_dqh[%d] addr: 0x%08x\n",
- i, (u32)&(dev->ep_dqh[i]));
+ dev_vdbg(&dev->pdev->dev, "ep_dqh[%d] addr: 0x%p\n",
+ i, &(dev->ep_dqh[i]));
bit_mask = is_in(ep) ?
(1 << (ep->ep_num + 16)) : (1 << (ep->ep_num));
@@ -1321,7 +1321,9 @@ static int langwell_pullup(struct usb_gadget *_gadget, int is_on)
return 0;
}
-
+static int langwell_start(struct usb_gadget_driver *driver,
+ int (*bind)(struct usb_gadget *));
+static int langwell_stop(struct usb_gadget_driver *driver);
/* device controller usb_gadget_ops structure */
static const struct usb_gadget_ops langwell_ops = {
@@ -1342,6 +1344,9 @@ static const struct usb_gadget_ops langwell_ops = {
/* D+ pullup, software-controlled connect/disconnect to USB host */
.pullup = langwell_pullup,
+
+ .start = langwell_start,
+ .stop = langwell_stop,
};
@@ -1852,7 +1857,7 @@ static DEVICE_ATTR(remote_wakeup, S_IWUSR, NULL, store_remote_wakeup);
* the driver might get unbound.
*/
-int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
+static int langwell_start(struct usb_gadget_driver *driver,
int (*bind)(struct usb_gadget *))
{
struct langwell_udc *dev = the_controller;
@@ -1914,11 +1919,9 @@ err_unbind:
dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__);
return retval;
}
-EXPORT_SYMBOL(usb_gadget_probe_driver);
-
/* unregister gadget driver */
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+static int langwell_stop(struct usb_gadget_driver *driver)
{
struct langwell_udc *dev = the_controller;
unsigned long flags;
@@ -1965,8 +1968,6 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
dev_dbg(&dev->pdev->dev, "<--- %s()\n", __func__);
return 0;
}
-EXPORT_SYMBOL(usb_gadget_unregister_driver);
-
/*-------------------------------------------------------------------------*/
@@ -3270,7 +3271,7 @@ static int langwell_udc_probe(struct pci_dev *pdev,
/* allocate device dQH memory */
size = dev->ep_max * sizeof(struct langwell_dqh);
- dev_vdbg(&dev->pdev->dev, "orig size = %d\n", size);
+ dev_vdbg(&dev->pdev->dev, "orig size = %zd\n", size);
if (size < DQH_ALIGNMENT)
size = DQH_ALIGNMENT;
else if ((size % DQH_ALIGNMENT) != 0) {
@@ -3285,7 +3286,7 @@ static int langwell_udc_probe(struct pci_dev *pdev,
goto error;
}
dev->ep_dqh_size = size;
- dev_vdbg(&dev->pdev->dev, "ep_dqh_size = %d\n", dev->ep_dqh_size);
+ dev_vdbg(&dev->pdev->dev, "ep_dqh_size = %zd\n", dev->ep_dqh_size);
/* initialize ep0 status request structure */
dev->status_req = kzalloc(sizeof(struct langwell_request), GFP_KERNEL);
@@ -3373,6 +3374,10 @@ static int langwell_udc_probe(struct pci_dev *pdev,
if (retval)
goto error;
+ retval = usb_add_gadget_udc(&pdev->dev, &dev->gadget);
+ if (retval)
+ goto error;
+
retval = device_create_file(&pdev->dev, &dev_attr_langwell_udc);
if (retval)
goto error;
@@ -3403,6 +3408,7 @@ static int langwell_udc_suspend(struct pci_dev *pdev, pm_message_t state)
dev_dbg(&dev->pdev->dev, "---> %s()\n", __func__);
+ usb_del_gadget_udc(&dev->gadget);
/* disable interrupt and set controller to stop state */
langwell_udc_stop(dev);
@@ -3464,7 +3470,7 @@ static int langwell_udc_resume(struct pci_dev *pdev)
/* allocate device dQH memory */
size = dev->ep_max * sizeof(struct langwell_dqh);
- dev_vdbg(&dev->pdev->dev, "orig size = %d\n", size);
+ dev_vdbg(&dev->pdev->dev, "orig size = %zd\n", size);
if (size < DQH_ALIGNMENT)
size = DQH_ALIGNMENT;
else if ((size % DQH_ALIGNMENT) != 0) {
@@ -3478,7 +3484,7 @@ static int langwell_udc_resume(struct pci_dev *pdev)
return -ENOMEM;
}
dev->ep_dqh_size = size;
- dev_vdbg(&dev->pdev->dev, "ep_dqh_size = %d\n", dev->ep_dqh_size);
+ dev_vdbg(&dev->pdev->dev, "ep_dqh_size = %zd\n", dev->ep_dqh_size);
/* create dTD dma_pool resource */
dev->dtd_pool = dma_pool_create("langwell_dtd",