static int __exit acm_ms_unbind(struct usb_composite_dev *cdev)
{
usb_put_function(f_acm);
usb_put_function_instance(f_acm_inst);
gserial_free_line(tty_line);
return 0;
}
void gport_cleanup(void)
{
int i;
for (i = 0; i < no_tty_ports; i++)
gserial_free_line(gserial_ports[i].client_port_num);
}
static void acm_free_instance(struct usb_function_instance *fi)
{
struct f_serial_opts *opts;
opts = container_of(fi, struct f_serial_opts, func_inst);
gserial_free_line(opts->port_num);
kfree(opts);
}
static void gser_free_inst(struct usb_function_instance *f)
{
struct f_serial_opts *opts;
opts = container_of(f, struct f_serial_opts, func_inst);
if (!nr_ports)
gserial_free_line(opts->port_num);
kfree(opts);
}
static int __init acm_ms_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
int status;
void *retp;
/* set up serial link layer */
status = gserial_alloc_line(&tty_line);
if (status < 0)
return status;
/* set up mass storage function */
retp = fsg_common_from_params(&fsg_common, cdev, &fsg_mod_data);
if (IS_ERR(retp)) {
status = PTR_ERR(retp);
goto fail0;
}
/*
* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
*/
status = usb_string_ids_tab(cdev, strings_dev);
if (status < 0)
goto fail1;
device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
/* register our configuration */
status = usb_add_config(cdev, &acm_ms_config_driver, acm_ms_do_config);
if (status < 0)
goto fail1;
usb_composite_overwrite_options(cdev, &coverwrite);
dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n",
DRIVER_DESC);
fsg_common_put(&fsg_common);
return 0;
/* error recovery */
fail1:
fsg_common_put(&fsg_common);
fail0:
gserial_free_line(tty_line);
return status;
}