int usb_assign_descriptors(struct usb_function *f,
struct usb_descriptor_header **fs,
struct usb_descriptor_header **hs,
struct usb_descriptor_header **ss)
{
struct usb_gadget *g = f->config->cdev->gadget;
if (fs) {
f->fs_descriptors = usb_copy_descriptors(fs);
if (!f->fs_descriptors)
goto err;
}
if (hs && gadget_is_dualspeed(g)) {
f->hs_descriptors = usb_copy_descriptors(hs);
if (!f->hs_descriptors)
goto err;
}
if (ss && gadget_is_superspeed(g)) {
f->ss_descriptors = usb_copy_descriptors(ss);
if (!f->ss_descriptors)
goto err;
}
return 0;
err:
usb_free_all_descriptors(f);
return -ENOMEM;
}
int rawbulk_function_bind(struct usb_configuration *c, struct
usb_function *f) {
int rc, ifnum;
struct rawbulk_function *fn = function_to_rbf(f);
struct usb_gadget *gadget = c->cdev->gadget;
struct usb_ep *ep_out, *ep_in;
printk("%s\n", __func__);
rc = usb_interface_id(c, f);
if (rc < 0)
return rc;
ifnum = rc;
fn->interface.bInterfaceNumber = cpu_to_le16(ifnum);
ep_out = usb_ep_autoconfig(gadget, (struct usb_endpoint_descriptor *)
fn->fs_descs[BULKOUT_DESC]);
if (!ep_out) {
printk(KERN_ERR "%s %d config ep_out error \n", __FUNCTION__,__LINE__);
return -ENOMEM;
}
ep_in = usb_ep_autoconfig(gadget, (struct usb_endpoint_descriptor *)
fn->fs_descs[BULKIN_DESC]);
if (!ep_in) {
usb_ep_disable(ep_out);
printk(KERN_ERR "%s %d config ep_in error \n", __FUNCTION__,__LINE__);
return -ENOMEM;
}
ep_out->driver_data = fn;
ep_in->driver_data = fn;
fn->bulk_out = ep_out;
fn->bulk_in = ep_in;
#if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 100))
f->fs_descriptors = usb_copy_descriptors(fn->fs_descs);
if (unlikely(!f->fs_descriptors))
return -ENOMEM;
#else
f->descriptors = usb_copy_descriptors(fn->fs_descs);
if (unlikely(!f->descriptors))
return -ENOMEM;
#endif
if (gadget_is_dualspeed(gadget)) {
fn->hs_bulkin_endpoint.bEndpointAddress =
fn->fs_bulkin_endpoint.bEndpointAddress;
fn->hs_bulkout_endpoint.bEndpointAddress =
fn->fs_bulkout_endpoint.bEndpointAddress;
}
fn->cdev = c->cdev;
fn->activated = 0;
return rawbulk_bind_function(fn->transfer_id, f, ep_out, ep_in,
rawbulk_auto_reconnect);
}
static int
gser_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_composite_dev *cdev = c->cdev;
struct f_gser *gser = func_to_gser(f);
int status;
struct usb_ep *ep;
/* allocate instance-specific interface IDs */
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser->data_id = status;
gser_interface_desc.bInterfaceNumber = status;
status = -ENODEV;
/* allocate instance-specific endpoints */
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_in_desc);
if (!ep)
goto fail;
gser->port.in = ep;
ep->driver_data = cdev; /* claim */
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_out_desc);
if (!ep)
goto fail;
gser->port.out = ep;
ep->driver_data = cdev; /* claim */
#ifdef CONFIG_MODEM_SUPPORT
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_notify_desc);
if (!ep)
goto fail;
gser->notify = ep;
ep->driver_data = cdev; /* claim */
/* allocate notification */
gser->notify_req = gs_alloc_req(ep,
sizeof(struct usb_cdc_notification) + 2,
GFP_KERNEL);
if (!gser->notify_req)
goto fail;
gser->notify_req->complete = gser_notify_complete;
gser->notify_req->context = gser;
#endif
/* copy descriptors, and track endpoint copies */
f->descriptors = usb_copy_descriptors(gser_fs_function);
if (!f->descriptors)
goto fail;
/* support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
* both speeds
*/
if (gadget_is_dualspeed(c->cdev->gadget)) {
gser_hs_in_desc.bEndpointAddress =
gser_fs_in_desc.bEndpointAddress;
gser_hs_out_desc.bEndpointAddress =
gser_fs_out_desc.bEndpointAddress;
#ifdef CONFIG_MODEM_SUPPORT
gser_hs_notify_desc.bEndpointAddress =
gser_fs_notify_desc.bEndpointAddress;
#endif
/* copy descriptors, and track endpoint copies */
f->hs_descriptors = usb_copy_descriptors(gser_hs_function);
if (!f->hs_descriptors)
goto fail;
}
if (gadget_is_superspeed(c->cdev->gadget)) {
gser_ss_in_desc.bEndpointAddress =
gser_fs_in_desc.bEndpointAddress;
gser_ss_out_desc.bEndpointAddress =
gser_fs_out_desc.bEndpointAddress;
/* copy descriptors, and track endpoint copies */
f->ss_descriptors = usb_copy_descriptors(gser_ss_function);
if (!f->ss_descriptors)
goto fail;
}
DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
gser->port_num,
gadget_is_superspeed(c->cdev->gadget) ? "super" :
gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
gser->port.in->name, gser->port.out->name);
return 0;
fail:
if (f->descriptors)
usb_free_descriptors(f->descriptors);
#ifdef CONFIG_MODEM_SUPPORT
if (gser->notify_req)
gs_free_req(gser->notify, gser->notify_req);
/* we might as well release our claims on endpoints */
if (gser->notify)
gser->notify->driver_data = NULL;
#endif
/* we might as well release our claims on endpoints */
if (gser->port.out)
gser->port.out->driver_data = NULL;
if (gser->port.in)
gser->port.in->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
return status;
}
static int
gser_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_composite_dev *cdev = c->cdev;
struct f_gser *gser = func_to_gser(f);
int status;
struct usb_ep *ep;
/* allocate instance-specific interface IDs */
#if defined(CONFIG_ANDROID_PANTECH_USB)
// if((pantech_usb_carrier != CARRIER_QUALCOMM) && b_pantech_usb_module){
if(pantech_usb_carrier != CARRIER_QUALCOMM){
gser_fs_function = pantech_gser_fs_function;
gser_hs_function = pantech_gser_hs_function;
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser->data_id = status; //data_id : cdc interface number
gser_acm_cdc_interface_desc.bInterfaceNumber = status;
#if defined(FEATURE_ANDROID_PANTECH_USB_IAD)
gser_interface_assoc_desc.bFirstInterface = status;
#endif
//acm interface
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser_acm_data_interface_desc.bInterfaceNumber = status;
}else{
gser_fs_function = qualcomm_gser_fs_function;
gser_hs_function = qualcomm_gser_hs_function;
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser->data_id = status;
gser_interface_desc.bInterfaceNumber = status;
}
#else
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser->data_id = status;
gser_interface_desc.bInterfaceNumber = status;
#endif
status = -ENODEV;
/* allocate instance-specific endpoints */
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_in_desc);
if (!ep)
goto fail;
gser->port.in = ep;
ep->driver_data = cdev; /* claim */
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_out_desc);
if (!ep)
goto fail;
gser->port.out = ep;
ep->driver_data = cdev; /* claim */
#ifdef CONFIG_MODEM_SUPPORT
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_notify_desc);
if (!ep)
goto fail;
gser->notify = ep;
ep->driver_data = cdev; /* claim */
/* allocate notification */
gser->notify_req = gs_alloc_req(ep,
sizeof(struct usb_cdc_notification) + 2,
GFP_KERNEL);
if (!gser->notify_req)
goto fail;
gser->notify_req->complete = gser_notify_complete;
gser->notify_req->context = gser;
#endif
/* copy descriptors, and track endpoint copies */
f->descriptors = usb_copy_descriptors(gser_fs_function);
if (!f->descriptors)
goto fail;
gser->fs.in = usb_find_endpoint(gser_fs_function,
f->descriptors, &gser_fs_in_desc);
gser->fs.out = usb_find_endpoint(gser_fs_function,
f->descriptors, &gser_fs_out_desc);
#ifdef CONFIG_MODEM_SUPPORT
gser->fs.notify = usb_find_endpoint(gser_fs_function,
f->descriptors, &gser_fs_notify_desc);
#endif
/* support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
* both speeds
*/
if (gadget_is_dualspeed(c->cdev->gadget)) {
gser_hs_in_desc.bEndpointAddress =
gser_fs_in_desc.bEndpointAddress;
gser_hs_out_desc.bEndpointAddress =
gser_fs_out_desc.bEndpointAddress;
#ifdef CONFIG_MODEM_SUPPORT
gser_hs_notify_desc.bEndpointAddress =
gser_fs_notify_desc.bEndpointAddress;
#endif
/* copy descriptors, and track endpoint copies */
f->hs_descriptors = usb_copy_descriptors(gser_hs_function);
if (!f->hs_descriptors)
goto fail;
gser->hs.in = usb_find_endpoint(gser_hs_function,
f->hs_descriptors, &gser_hs_in_desc);
gser->hs.out = usb_find_endpoint(gser_hs_function,
f->hs_descriptors, &gser_hs_out_desc);
#ifdef CONFIG_MODEM_SUPPORT
gser->hs.notify = usb_find_endpoint(gser_hs_function,
f->hs_descriptors, &gser_hs_notify_desc);
#endif
}
DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
gser->port_num,
gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
gser->port.in->name, gser->port.out->name);
return 0;
fail:
if (f->descriptors)
usb_free_descriptors(f->descriptors);
#ifdef CONFIG_MODEM_SUPPORT
if (gser->notify_req)
gs_free_req(gser->notify, gser->notify_req);
/* we might as well release our claims on endpoints */
if (gser->notify)
gser->notify->driver_data = NULL;
#endif
/* we might as well release our claims on endpoints */
if (gser->port.out)
gser->port.out->driver_data = NULL;
if (gser->port.in)
gser->port.in->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
return status;
}
static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_ep *ep;
struct f_hidg *hidg = func_to_hidg(f);
int status;
dev_t dev;
pr_info("%s: creating device %p\n", __func__, hidg);
/* allocate instance-specific interface IDs, and patch descriptors */
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
hidg_interface_desc.bInterfaceNumber = status;
/* allocate instance-specific endpoints */
status = -ENODEV;
ep = usb_ep_autoconfig(c->cdev->gadget, &hidg_fs_in_ep_desc);
if (!ep)
goto fail;
ep->driver_data = c->cdev; /* claim */
hidg->in_ep = ep;
/* preallocate request and buffer */
status = -ENOMEM;
hidg->req = usb_ep_alloc_request(hidg->in_ep, GFP_KERNEL);
if (!hidg->req)
goto fail;
hidg->req->buf = kmalloc(hidg->report_length, GFP_KERNEL);
if (!hidg->req->buf)
goto fail;
/* set descriptor dynamic values */
hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass;
hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol;
hidg_hs_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_fs_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT;
hidg_desc.desc[0].wDescriptorLength =
cpu_to_le16(hidg->report_desc_length);
hidg->set_report_buff = NULL;
/* copy descriptors */
f->descriptors = usb_copy_descriptors(hidg_fs_descriptors);
if (!f->descriptors)
goto fail;
if (gadget_is_dualspeed(c->cdev->gadget)) {
hidg_hs_in_ep_desc.bEndpointAddress =
hidg_fs_in_ep_desc.bEndpointAddress;
f->hs_descriptors = usb_copy_descriptors(hidg_hs_descriptors);
if (!f->hs_descriptors)
goto fail;
}
mutex_init(&hidg->lock);
spin_lock_init(&hidg->spinlock);
init_waitqueue_head(&hidg->write_queue);
init_waitqueue_head(&hidg->read_queue);
/* create char device */
cdev_init(&hidg->cdev, &f_hidg_fops);
dev = MKDEV(major, hidg->minor);
status = cdev_add(&hidg->cdev, dev, 1);
if (status)
goto fail;
device_create(hidg_class, NULL, dev, NULL, "%s%d", "hidg", hidg->minor);
hacky_device_list_add(hidg);
return 0;
fail:
ERROR(f->config->cdev, "hidg_bind FAILED\n");
if (hidg->req != NULL) {
kfree(hidg->req->buf);
if (hidg->in_ep != NULL)
usb_ep_free_request(hidg->in_ep, hidg->req);
}
usb_free_descriptors(f->hs_descriptors);
usb_free_descriptors(f->descriptors);
return status;
}
static int
gser_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_composite_dev *cdev = c->cdev;
struct f_gser *gser = func_to_gser(f);
int status;
struct usb_ep *ep;
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser->data_id = status;
gser_interface_desc.bInterfaceNumber = status;
status = -ENODEV;
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_in_desc);
if (!ep)
goto fail;
gser->port.in = ep;
ep->driver_data = cdev;
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_out_desc);
if (!ep)
goto fail;
gser->port.out = ep;
ep->driver_data = cdev;
#ifdef CONFIG_MODEM_SUPPORT
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_notify_desc);
if (!ep)
goto fail;
gser->notify = ep;
ep->driver_data = cdev;
gser->notify_req = gs_alloc_req(ep,
sizeof(struct usb_cdc_notification) + 2,
GFP_KERNEL);
if (!gser->notify_req)
goto fail;
gser->notify_req->complete = gser_notify_complete;
gser->notify_req->context = gser;
#endif
f->descriptors = usb_copy_descriptors(gser_fs_function);
if (!f->descriptors)
goto fail;
if (gadget_is_dualspeed(c->cdev->gadget)) {
gser_hs_in_desc.bEndpointAddress =
gser_fs_in_desc.bEndpointAddress;
gser_hs_out_desc.bEndpointAddress =
gser_fs_out_desc.bEndpointAddress;
#ifdef CONFIG_MODEM_SUPPORT
gser_hs_notify_desc.bEndpointAddress =
gser_fs_notify_desc.bEndpointAddress;
#endif
f->hs_descriptors = usb_copy_descriptors(gser_hs_function);
if (!f->hs_descriptors)
goto fail;
}
DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
gser->port_num,
gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
gser->port.in->name, gser->port.out->name);
return 0;
fail:
if (f->descriptors)
usb_free_descriptors(f->descriptors);
#ifdef CONFIG_MODEM_SUPPORT
if (gser->notify_req)
gs_free_req(gser->notify, gser->notify_req);
if (gser->notify)
gser->notify->driver_data = NULL;
#endif
if (gser->port.out)
gser->port.out->driver_data = NULL;
if (gser->port.in)
gser->port.in->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
return status;
}
static int
ecm_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_composite_dev *cdev = c->cdev;
struct f_ecm *ecm = func_to_ecm(f);
int status;
struct usb_ep *ep;
/* allocate instance-specific interface IDs */
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
ecm->ctrl_id = status;
ecm_control_intf.bInterfaceNumber = status;
#ifdef CONFIG_LGE_USB_GADGET_DRIVER
ecm_iad.bFirstInterface = status;
#endif
ecm_union_desc.bMasterInterface0 = status;
status = usb_interface_id(c, f);
printk(KERN_DEBUG "[MSG]>>f_ecm > ecm_bind : interface = %d !! \n", status );
if (status < 0)
goto fail;
ecm->data_id = status;
ecm_data_nop_intf.bInterfaceNumber = status;
ecm_data_intf.bInterfaceNumber = status;
ecm_union_desc.bSlaveInterface0 = status;
status = -ENODEV;
/* allocate instance-specific endpoints */
ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_in_desc);
if (!ep)
goto fail;
ecm->port.in_ep = ep;
ep->driver_data = cdev; /* claim */
ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_out_desc);
if (!ep)
goto fail;
ecm->port.out_ep = ep;
ep->driver_data = cdev; /* claim */
/* NOTE: a status/notification endpoint is *OPTIONAL* but we
* don't treat it that way. It's simpler, and some newer CDC
* profiles (wireless handsets) no longer treat it as optional.
*/
ep = usb_ep_autoconfig(cdev->gadget, &fs_ecm_notify_desc);
if (!ep)
goto fail;
ecm->notify = ep;
ep->driver_data = cdev; /* claim */
status = -ENOMEM;
/* allocate notification request and buffer */
ecm->notify_req = usb_ep_alloc_request(ep, GFP_KERNEL);
if (!ecm->notify_req)
goto fail;
ecm->notify_req->buf = kmalloc(ECM_STATUS_BYTECOUNT, GFP_KERNEL);
if (!ecm->notify_req->buf)
goto fail;
ecm->notify_req->context = ecm;
ecm->notify_req->complete = ecm_notify_complete;
/* copy descriptors, and track endpoint copies */
f->descriptors = usb_copy_descriptors(ecm_fs_function);
if (!f->descriptors)
goto fail;
ecm->fs.in = usb_find_endpoint(ecm_fs_function,
f->descriptors, &fs_ecm_in_desc);
ecm->fs.out = usb_find_endpoint(ecm_fs_function,
f->descriptors, &fs_ecm_out_desc);
ecm->fs.notify = usb_find_endpoint(ecm_fs_function,
f->descriptors, &fs_ecm_notify_desc);
/* support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
* both speeds
*/
if (gadget_is_dualspeed(c->cdev->gadget)) {
hs_ecm_in_desc.bEndpointAddress =
fs_ecm_in_desc.bEndpointAddress;
hs_ecm_out_desc.bEndpointAddress =
fs_ecm_out_desc.bEndpointAddress;
hs_ecm_notify_desc.bEndpointAddress =
fs_ecm_notify_desc.bEndpointAddress;
printk(KERN_ERR "[MSG]>> f_ecm > ecm_bind : IN EP = %d !! \n", hs_ecm_in_desc.bEndpointAddress );
printk(KERN_ERR "[MSG]>> f_ecm > ecm_bind : OUT EP= %d !! \n", hs_ecm_out_desc.bEndpointAddress);
printk(KERN_ERR "[MSG]>> f_ecm > ecm_bind : NOT EP= %d !! \n", hs_ecm_notify_desc.bEndpointAddress);
/* copy descriptors, and track endpoint copies */
f->hs_descriptors = usb_copy_descriptors(ecm_hs_function);
if (!f->hs_descriptors)
goto fail;
ecm->hs.in = usb_find_endpoint(ecm_hs_function,
f->hs_descriptors, &hs_ecm_in_desc);
ecm->hs.out = usb_find_endpoint(ecm_hs_function,
f->hs_descriptors, &hs_ecm_out_desc);
ecm->hs.notify = usb_find_endpoint(ecm_hs_function,
f->hs_descriptors, &hs_ecm_notify_desc);
}
/* NOTE: all that is done without knowing or caring about
* the network link ... which is unavailable to this code
* until we're activated via set_alt().
*/
ecm->port.open = ecm_open;
ecm->port.close = ecm_close;
DBG(cdev, "CDC Ethernet: %s speed IN/%s OUT/%s NOTIFY/%s\n",
gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
ecm->port.in_ep->name, ecm->port.out_ep->name,
ecm->notify->name);
return 0;
fail:
if (f->descriptors)
usb_free_descriptors(f->descriptors);
if (ecm->notify_req) {
kfree(ecm->notify_req->buf);
usb_ep_free_request(ecm->notify, ecm->notify_req);
}
/* we might as well release our claims on endpoints */
if (ecm->notify)
ecm->notify->driver_data = NULL;
if (ecm->port.out)
ecm->port.out_ep->driver_data = NULL;
if (ecm->port.in)
ecm->port.in_ep->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
return status;
}
static int
gser_bind(struct usb_configuration *c, struct usb_function *f)
{
struct usb_composite_dev *cdev = c->cdev;
struct f_gser *gser = func_to_gser(f);
int status;
struct usb_ep *ep;
/* allocate instance-specific interface IDs */
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
#ifdef CONFIG_LGE_USB_GADGET_DRIVER
gser_iad_descriptor.bFirstInterface = status;
gser_control_interface_desc.bInterfaceNumber = status;
gser_union_desc .bMasterInterface0 = status;
status = usb_interface_id(c, f);
if (status < 0)
goto fail;
gser->data_id = status;
// [START] seunghun.kim : temp_modify for using LG_USB_MODEM on ES3 by f_serial
gser_data_interface_desc.bInterfaceNumber = status;
gser_union_desc.bSlaveInterface0 = status;
gser_call_mgmt_descriptor.bDataInterface = status;
#else
gser->data_id = status;
gser_interface_desc.bInterfaceNumber = status;
// [START] seunghun.kim : temp_modify for using LG_USB_MODEM on ES3 by f_serial
#endif
// [END] seunghun.kim : temp_modify for using LG_USB_MODEM on ES3 by f_serial
status = -ENODEV;
/* allocate instance-specific endpoints */
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_in_desc);
if (!ep)
goto fail;
gser->port.in = ep;
ep->driver_data = cdev; /* claim */
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_out_desc);
if (!ep)
goto fail;
gser->port.out = ep;
ep->driver_data = cdev; /* claim */
#ifdef CONFIG_MODEM_SUPPORT
ep = usb_ep_autoconfig(cdev->gadget, &gser_fs_notify_desc);
if (!ep)
goto fail;
gser->notify = ep;
ep->driver_data = cdev; /* claim */
/* allocate notification */
#ifdef CONFIG_LGE_USB_GADGET_DRIVER
gser->notify_req = gs_alloc_req(ep,
sizeof(struct usb_cdc_notification) + 8,
GFP_KERNEL);
#else
gser->notify_req = gs_alloc_req(ep,
sizeof(struct usb_cdc_notification) + 2,
GFP_KERNEL);
#endif
if (!gser->notify_req)
goto fail;
gser->notify_req->complete = gser_notify_complete;
gser->notify_req->context = gser;
#endif
/* copy descriptors, and track endpoint copies */
f->descriptors = usb_copy_descriptors(gser_fs_function);
if (!f->descriptors)
goto fail;
gser->fs.in = usb_find_endpoint(gser_fs_function,
f->descriptors, &gser_fs_in_desc);
gser->fs.out = usb_find_endpoint(gser_fs_function,
f->descriptors, &gser_fs_out_desc);
#ifdef CONFIG_MODEM_SUPPORT
gser->fs.notify = usb_find_endpoint(gser_fs_function,
f->descriptors, &gser_fs_notify_desc);
#endif
/* support all relevant hardware speeds... we expect that when
* hardware is dual speed, all bulk-capable endpoints work at
* both speeds
*/
if (gadget_is_dualspeed(c->cdev->gadget)) {
gser_hs_in_desc.bEndpointAddress =
gser_fs_in_desc.bEndpointAddress;
gser_hs_out_desc.bEndpointAddress =
gser_fs_out_desc.bEndpointAddress;
#ifdef CONFIG_MODEM_SUPPORT
gser_hs_notify_desc.bEndpointAddress =
gser_fs_notify_desc.bEndpointAddress;
#endif
/* copy descriptors, and track endpoint copies */
f->hs_descriptors = usb_copy_descriptors(gser_hs_function);
gser->hs.in = usb_find_endpoint(gser_hs_function,
f->hs_descriptors, &gser_hs_in_desc);
gser->hs.out = usb_find_endpoint(gser_hs_function,
f->hs_descriptors, &gser_hs_out_desc);
#ifdef CONFIG_MODEM_SUPPORT
gser->hs.notify = usb_find_endpoint(gser_hs_function,
f->hs_descriptors, &gser_hs_notify_desc);
#endif
}
DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
gser->port_num,
gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
gser->port.in->name, gser->port.out->name);
return 0;
fail:
#ifdef CONFIG_MODEM_SUPPORT
if (gser->notify_req)
gs_free_req(gser->notify, gser->notify_req);
/* we might as well release our claims on endpoints */
if (gser->notify)
gser->notify->driver_data = NULL;
#endif
/* we might as well release our claims on endpoints */
if (gser->port.out)
gser->port.out->driver_data = NULL;
if (gser->port.in)
gser->port.in->driver_data = NULL;
ERROR(cdev, "%s: can't bind, err %d\n", f->name, status);
return status;
}