diff options
Diffstat (limited to 'target/linux/cns3xxx/files/drivers/usb')
-rw-r--r-- | target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c index 2cf6243ad0..85c6fd9074 100644 --- a/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c +++ b/target/linux/cns3xxx/files/drivers/usb/dwc/otg_pcd.c @@ -2416,87 +2416,4 @@ void dwc_otg_pcd_remove(struct platform_device *pdev) otg_dev->pcd = 0; } -/** - * This function registers a gadget driver with the PCD. - * - * When a driver is successfully registered, it will receive control - * requests including set_configuration(), which enables non-control - * requests. then usb traffic follows until a disconnect is reported. - * then a host may connect again, or the driver might get unbound. - * - * @param driver The driver being registered - */ -int usb_gadget_probe_driver(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *)) -{ - int retval; - - DWC_DEBUGPL(DBG_PCD, "registering gadget driver '%s'\n", driver->driver.name); - - if (!driver || driver->max_speed == USB_SPEED_UNKNOWN || - !bind || - !driver->unbind || - !driver->disconnect || - !driver->setup) { - DWC_DEBUGPL(DBG_PCDV,"EINVAL\n"); - return -EINVAL; - } - if (s_pcd == 0) { - DWC_DEBUGPL(DBG_PCDV,"ENODEV\n"); - return -ENODEV; - } - if (s_pcd->driver != 0) { - DWC_DEBUGPL(DBG_PCDV,"EBUSY (%p)\n", s_pcd->driver); - return -EBUSY; - } - - /* hook up the driver */ - s_pcd->driver = driver; - s_pcd->gadget.dev.driver = &driver->driver; - - DWC_DEBUGPL(DBG_PCD, "bind to driver %s\n", driver->driver.name); - retval = bind(&s_pcd->gadget); - if (retval) { - DWC_ERROR("bind to driver %s --> error %d\n", - driver->driver.name, retval); - s_pcd->driver = 0; - s_pcd->gadget.dev.driver = 0; - return retval; - } - DWC_DEBUGPL(DBG_ANY, "registered gadget driver '%s'\n", - driver->driver.name); - return 0; -} - -EXPORT_SYMBOL(usb_gadget_probe_driver); - -/** - * This function unregisters a gadget driver - * - * @param driver The driver being unregistered - */ -int usb_gadget_unregister_driver(struct usb_gadget_driver *driver) -{ - //DWC_DEBUGPL(DBG_PCDV,"%s(%p)\n", __func__, _driver); - - if (s_pcd == 0) { - DWC_DEBUGPL(DBG_ANY, "%s Return(%d): s_pcd==0\n", __func__, - -ENODEV); - return -ENODEV; - } - if (driver == 0 || driver != s_pcd->driver) { - DWC_DEBUGPL(DBG_ANY, "%s Return(%d): driver?\n", __func__, - -EINVAL); - return -EINVAL; - } - - driver->unbind(&s_pcd->gadget); - s_pcd->driver = 0; - - DWC_DEBUGPL(DBG_ANY, "unregistered driver '%s'\n", - driver->driver.name); - return 0; -} -EXPORT_SYMBOL(usb_gadget_unregister_driver); - #endif /* DWC_HOST_ONLY */ |