USB_DEVICE_MAX 2796 drivers/usb/core/devio.c retval = register_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX, USB_DEVICE_MAX 2803 drivers/usb/core/devio.c retval = cdev_add(&usb_device_cdev, USB_DEVICE_DEV, USB_DEVICE_MAX); USB_DEVICE_MAX 2814 drivers/usb/core/devio.c unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX); USB_DEVICE_MAX 2822 drivers/usb/core/devio.c unregister_chrdev_region(USB_DEVICE_DEV, USB_DEVICE_MAX);