}
/* else: fall through */
default:
- speed_desc = f->descriptors;
+ speed_desc = f->fs_descriptors;
}
/* find descriptors */
for_each_ep_desc(speed_desc, d_spd) {
* as full speed ... it's the function drivers that will need
* to avoid bulk and ISO transfers.
*/
- if (!config->fullspeed && function->descriptors)
+ if (!config->fullspeed && function->fs_descriptors)
config->fullspeed = true;
if (!config->highspeed && function->hs_descriptors)
config->highspeed = true;
descriptors = f->hs_descriptors;
break;
default:
- descriptors = f->descriptors;
+ descriptors = f->fs_descriptors;
}
if (!descriptors)
descriptors = f->hs_descriptors;
break;
default:
- descriptors = f->descriptors;
+ descriptors = f->fs_descriptors;
}
for (; *descriptors; ++descriptors) {
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
-
+#include <linux/usb/composite.h>
/**
* usb_descriptor_fillbuf - fill buffer with descriptors
return ret;
}
EXPORT_SYMBOL_GPL(usb_copy_descriptors);
+
+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;
+}
+EXPORT_SYMBOL_GPL(usb_assign_descriptors);
+
+void usb_free_all_descriptors(struct usb_function *f)
+{
+ usb_free_descriptors(f->fs_descriptors);
+ usb_free_descriptors(f->hs_descriptors);
+ usb_free_descriptors(f->ss_descriptors);
+}
+EXPORT_SYMBOL_GPL(usb_free_all_descriptors);
acm->notify_req->complete = acm_cdc_notify_complete;
acm->notify_req->context = acm;
- /* copy descriptors */
- f->descriptors = usb_copy_descriptors(acm_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)) {
- acm_hs_in_desc.bEndpointAddress =
- acm_fs_in_desc.bEndpointAddress;
- acm_hs_out_desc.bEndpointAddress =
- acm_fs_out_desc.bEndpointAddress;
- acm_hs_notify_desc.bEndpointAddress =
- acm_fs_notify_desc.bEndpointAddress;
-
- /* copy descriptors */
- f->hs_descriptors = usb_copy_descriptors(acm_hs_function);
- }
- if (gadget_is_superspeed(c->cdev->gadget)) {
- acm_ss_in_desc.bEndpointAddress =
- acm_fs_in_desc.bEndpointAddress;
- acm_ss_out_desc.bEndpointAddress =
- acm_fs_out_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->ss_descriptors = usb_copy_descriptors(acm_ss_function);
- if (!f->ss_descriptors)
- goto fail;
- }
+ acm_hs_in_desc.bEndpointAddress = acm_fs_in_desc.bEndpointAddress;
+ acm_hs_out_desc.bEndpointAddress = acm_fs_out_desc.bEndpointAddress;
+ acm_hs_notify_desc.bEndpointAddress =
+ acm_fs_notify_desc.bEndpointAddress;
+
+ acm_ss_in_desc.bEndpointAddress = acm_fs_in_desc.bEndpointAddress;
+ acm_ss_out_desc.bEndpointAddress = acm_fs_out_desc.bEndpointAddress;
+
+ status = usb_assign_descriptors(f, acm_fs_function, acm_hs_function,
+ acm_ss_function);
+ if (status)
+ goto fail;
DBG(cdev, "acm ttyGS%d: %s speed IN/%s OUT/%s NOTIFY/%s\n",
acm->port_num,
{
struct f_acm *acm = func_to_acm(f);
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
gs_free_req(acm->notify, acm->notify_req);
kfree(acm);
}
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;
-
/* 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;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(ecm_hs_function);
- if (!f->hs_descriptors)
- goto fail;
- }
-
- if (gadget_is_superspeed(c->cdev->gadget)) {
- ss_ecm_in_desc.bEndpointAddress =
- fs_ecm_in_desc.bEndpointAddress;
- ss_ecm_out_desc.bEndpointAddress =
- fs_ecm_out_desc.bEndpointAddress;
- ss_ecm_notify_desc.bEndpointAddress =
- fs_ecm_notify_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->ss_descriptors = usb_copy_descriptors(ecm_ss_function);
- if (!f->ss_descriptors)
- goto fail;
- }
+ 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;
+
+ ss_ecm_in_desc.bEndpointAddress = fs_ecm_in_desc.bEndpointAddress;
+ ss_ecm_out_desc.bEndpointAddress = fs_ecm_out_desc.bEndpointAddress;
+ ss_ecm_notify_desc.bEndpointAddress =
+ fs_ecm_notify_desc.bEndpointAddress;
+
+ status = usb_assign_descriptors(f, ecm_fs_function, ecm_hs_function,
+ ecm_ss_function);
+ if (status)
+ goto fail;
/* NOTE: all that is done without knowing or caring about
* the network link ... which is unavailable to this code
return 0;
fail:
- if (f->descriptors)
- usb_free_descriptors(f->descriptors);
- if (f->hs_descriptors)
- usb_free_descriptors(f->hs_descriptors);
-
if (ecm->notify_req) {
kfree(ecm->notify_req->buf);
usb_ep_free_request(ecm->notify, ecm->notify_req);
DBG(c->cdev, "ecm unbind\n");
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(ecm->notify_req->buf);
usb_ep_free_request(ecm->notify, ecm->notify_req);
status = -ENOMEM;
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(eem_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)) {
- eem_hs_in_desc.bEndpointAddress =
- eem_fs_in_desc.bEndpointAddress;
- eem_hs_out_desc.bEndpointAddress =
- eem_fs_out_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(eem_hs_function);
- if (!f->hs_descriptors)
- goto fail;
- }
+ eem_hs_in_desc.bEndpointAddress = eem_fs_in_desc.bEndpointAddress;
+ eem_hs_out_desc.bEndpointAddress = eem_fs_out_desc.bEndpointAddress;
- if (gadget_is_superspeed(c->cdev->gadget)) {
- eem_ss_in_desc.bEndpointAddress =
- eem_fs_in_desc.bEndpointAddress;
- eem_ss_out_desc.bEndpointAddress =
- eem_fs_out_desc.bEndpointAddress;
+ eem_ss_in_desc.bEndpointAddress = eem_fs_in_desc.bEndpointAddress;
+ eem_ss_out_desc.bEndpointAddress = eem_fs_out_desc.bEndpointAddress;
- /* copy descriptors, and track endpoint copies */
- f->ss_descriptors = usb_copy_descriptors(eem_ss_function);
- if (!f->ss_descriptors)
- goto fail;
- }
+ status = usb_assign_descriptors(f, eem_fs_function, eem_hs_function,
+ eem_ss_function);
+ if (status)
+ goto fail;
DBG(cdev, "CDC Ethernet (EEM): %s speed IN/%s OUT/%s\n",
gadget_is_superspeed(c->cdev->gadget) ? "super" :
return 0;
fail:
- if (f->descriptors)
- usb_free_descriptors(f->descriptors);
- if (f->hs_descriptors)
- usb_free_descriptors(f->hs_descriptors);
-
+ usb_free_all_descriptors(f);
if (eem->port.out_ep)
eem->port.out_ep->driver_data = NULL;
if (eem->port.in_ep)
DBG(c->cdev, "eem unbind\n");
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(eem);
}
if (isHS)
func->function.hs_descriptors[(long)valuep] = desc;
else
- func->function.descriptors[(long)valuep] = desc;
+ func->function.fs_descriptors[(long)valuep] = desc;
if (!desc || desc->bDescriptorType != USB_DT_ENDPOINT)
return 0;
* numbers without worrying that it may be described later on.
*/
if (likely(full)) {
- func->function.descriptors = data->fs_descs;
+ func->function.fs_descriptors = data->fs_descs;
ret = ffs_do_descs(ffs->fs_descs_count,
data->raw_descs,
sizeof data->raw_descs,
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);
hidg_desc.desc[0].wDescriptorLength =
cpu_to_le16(hidg->report_desc_length);
- /* copy descriptors */
- f->descriptors = usb_copy_descriptors(hidg_fs_descriptors);
- if (!f->descriptors)
- goto fail;
+ hidg_hs_in_ep_desc.bEndpointAddress =
+ hidg_fs_in_ep_desc.bEndpointAddress;
+ hidg_hs_out_ep_desc.bEndpointAddress =
+ hidg_fs_out_ep_desc.bEndpointAddress;
- if (gadget_is_dualspeed(c->cdev->gadget)) {
- hidg_hs_in_ep_desc.bEndpointAddress =
- hidg_fs_in_ep_desc.bEndpointAddress;
- hidg_hs_out_ep_desc.bEndpointAddress =
- hidg_fs_out_ep_desc.bEndpointAddress;
- f->hs_descriptors = usb_copy_descriptors(hidg_hs_descriptors);
- if (!f->hs_descriptors)
- goto fail;
- }
+ status = usb_assign_descriptors(f, hidg_fs_descriptors,
+ hidg_hs_descriptors, NULL);
+ if (status)
+ goto fail;
mutex_init(&hidg->lock);
spin_lock_init(&hidg->spinlock);
usb_ep_free_request(hidg->in_ep, hidg->req);
}
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
-
+ usb_free_all_descriptors(f);
return status;
}
kfree(hidg->req->buf);
usb_ep_free_request(hidg->in_ep, hidg->req);
- /* free descriptors copies */
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(hidg->report_desc);
kfree(hidg);
struct usb_composite_dev *cdev = c->cdev;
struct f_loopback *loop = func_to_loop(f);
int id;
+ int ret;
/* allocate interface ID(s) */
id = usb_interface_id(c, f);
loop->out_ep->driver_data = cdev; /* claim */
/* support high speed hardware */
- if (gadget_is_dualspeed(c->cdev->gadget)) {
- hs_loop_source_desc.bEndpointAddress =
- fs_loop_source_desc.bEndpointAddress;
- hs_loop_sink_desc.bEndpointAddress =
- fs_loop_sink_desc.bEndpointAddress;
- f->hs_descriptors = hs_loopback_descs;
- }
+ hs_loop_source_desc.bEndpointAddress =
+ fs_loop_source_desc.bEndpointAddress;
+ hs_loop_sink_desc.bEndpointAddress = fs_loop_sink_desc.bEndpointAddress;
/* support super speed hardware */
- if (gadget_is_superspeed(c->cdev->gadget)) {
- ss_loop_source_desc.bEndpointAddress =
- fs_loop_source_desc.bEndpointAddress;
- ss_loop_sink_desc.bEndpointAddress =
- fs_loop_sink_desc.bEndpointAddress;
- f->ss_descriptors = ss_loopback_descs;
- }
+ ss_loop_source_desc.bEndpointAddress =
+ fs_loop_source_desc.bEndpointAddress;
+ ss_loop_sink_desc.bEndpointAddress = fs_loop_sink_desc.bEndpointAddress;
+
+ ret = usb_assign_descriptors(f, fs_loopback_descs, hs_loopback_descs,
+ ss_loopback_descs);
+ if (ret)
+ return ret;
DBG(cdev, "%s speed %s: IN/%s, OUT/%s\n",
(gadget_is_superspeed(c->cdev->gadget) ? "super" :
static void
loopback_unbind(struct usb_configuration *c, struct usb_function *f)
{
+ usb_free_all_descriptors(f);
kfree(func_to_loop(f));
}
return -ENOMEM;
loop->function.name = "loopback";
- loop->function.descriptors = fs_loopback_descs;
loop->function.bind = loopback_bind;
loop->function.unbind = loopback_unbind;
loop->function.set_alt = loopback_set_alt;
}
fsg_common_put(common);
- usb_free_descriptors(fsg->function.descriptors);
- usb_free_descriptors(fsg->function.hs_descriptors);
- usb_free_descriptors(fsg->function.ss_descriptors);
+ usb_free_all_descriptors(&fsg->function);
kfree(fsg);
}
struct usb_gadget *gadget = c->cdev->gadget;
int i;
struct usb_ep *ep;
+ unsigned max_burst;
+ int ret;
fsg->gadget = gadget;
ep->driver_data = fsg->common; /* claim the endpoint */
fsg->bulk_out = ep;
- /* Copy descriptors */
- f->descriptors = usb_copy_descriptors(fsg_fs_function);
- if (unlikely(!f->descriptors))
- return -ENOMEM;
-
- if (gadget_is_dualspeed(gadget)) {
- /* Assume endpoint addresses are the same for both speeds */
- fsg_hs_bulk_in_desc.bEndpointAddress =
- fsg_fs_bulk_in_desc.bEndpointAddress;
- fsg_hs_bulk_out_desc.bEndpointAddress =
- fsg_fs_bulk_out_desc.bEndpointAddress;
- f->hs_descriptors = usb_copy_descriptors(fsg_hs_function);
- if (unlikely(!f->hs_descriptors)) {
- usb_free_descriptors(f->descriptors);
- return -ENOMEM;
- }
- }
-
- if (gadget_is_superspeed(gadget)) {
- unsigned max_burst;
+ /* Assume endpoint addresses are the same for both speeds */
+ fsg_hs_bulk_in_desc.bEndpointAddress =
+ fsg_fs_bulk_in_desc.bEndpointAddress;
+ fsg_hs_bulk_out_desc.bEndpointAddress =
+ fsg_fs_bulk_out_desc.bEndpointAddress;
- /* Calculate bMaxBurst, we know packet size is 1024 */
- max_burst = min_t(unsigned, FSG_BUFLEN / 1024, 15);
+ /* Calculate bMaxBurst, we know packet size is 1024 */
+ max_burst = min_t(unsigned, FSG_BUFLEN / 1024, 15);
- fsg_ss_bulk_in_desc.bEndpointAddress =
- fsg_fs_bulk_in_desc.bEndpointAddress;
- fsg_ss_bulk_in_comp_desc.bMaxBurst = max_burst;
+ fsg_ss_bulk_in_desc.bEndpointAddress =
+ fsg_fs_bulk_in_desc.bEndpointAddress;
+ fsg_ss_bulk_in_comp_desc.bMaxBurst = max_burst;
- fsg_ss_bulk_out_desc.bEndpointAddress =
- fsg_fs_bulk_out_desc.bEndpointAddress;
- fsg_ss_bulk_out_comp_desc.bMaxBurst = max_burst;
+ fsg_ss_bulk_out_desc.bEndpointAddress =
+ fsg_fs_bulk_out_desc.bEndpointAddress;
+ fsg_ss_bulk_out_comp_desc.bMaxBurst = max_burst;
- f->ss_descriptors = usb_copy_descriptors(fsg_ss_function);
- if (unlikely(!f->ss_descriptors)) {
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
- return -ENOMEM;
- }
- }
+ ret = usb_assign_descriptors(f, fsg_fs_function, fsg_hs_function,
+ fsg_ss_function);
+ if (ret)
+ goto autoconf_fail;
return 0;
return -ENOTSUPP;
}
-
/****************************** ADD FUNCTION ******************************/
static struct usb_gadget_strings *fsg_strings_array[] = {
kfree(midi->id);
midi->id = NULL;
- usb_free_descriptors(f->descriptors);
- usb_free_descriptors(f->hs_descriptors);
+ usb_free_all_descriptors(f);
kfree(midi);
}
* both speeds
*/
/* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(midi_function);
- if (!f->descriptors)
+ f->fs_descriptors = usb_copy_descriptors(midi_function);
+ if (!f->fs_descriptors)
goto fail_f_midi;
+
if (gadget_is_dualspeed(c->cdev->gadget)) {
bulk_in_desc.wMaxPacketSize = cpu_to_le16(512);
bulk_out_desc.wMaxPacketSize = cpu_to_le16(512);
ncm->notify_req->context = ncm;
ncm->notify_req->complete = ncm_notify_complete;
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(ncm_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)) {
- hs_ncm_in_desc.bEndpointAddress =
- fs_ncm_in_desc.bEndpointAddress;
- hs_ncm_out_desc.bEndpointAddress =
- fs_ncm_out_desc.bEndpointAddress;
- hs_ncm_notify_desc.bEndpointAddress =
- fs_ncm_notify_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(ncm_hs_function);
- if (!f->hs_descriptors)
- goto fail;
- }
+ hs_ncm_in_desc.bEndpointAddress = fs_ncm_in_desc.bEndpointAddress;
+ hs_ncm_out_desc.bEndpointAddress = fs_ncm_out_desc.bEndpointAddress;
+ hs_ncm_notify_desc.bEndpointAddress =
+ fs_ncm_notify_desc.bEndpointAddress;
+ status = usb_assign_descriptors(f, ncm_fs_function, ncm_hs_function,
+ NULL);
/*
* NOTE: all that is done without knowing or caring about
* the network link ... which is unavailable to this code
return 0;
fail:
- if (f->descriptors)
- usb_free_descriptors(f->descriptors);
-
+ usb_free_all_descriptors(f);
if (ncm->notify_req) {
kfree(ncm->notify_req->buf);
usb_ep_free_request(ncm->notify, ncm->notify_req);
DBG(c->cdev, "ncm unbind\n");
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(ncm->notify_req->buf);
usb_ep_free_request(ncm->notify, ncm->notify_req);
obex->port.out = ep;
ep->driver_data = cdev; /* claim */
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(fs_function);
-
/* 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)) {
- obex_hs_ep_in_desc.bEndpointAddress =
- obex_fs_ep_in_desc.bEndpointAddress;
- obex_hs_ep_out_desc.bEndpointAddress =
- obex_fs_ep_out_desc.bEndpointAddress;
+ obex_hs_ep_in_desc.bEndpointAddress =
+ obex_fs_ep_in_desc.bEndpointAddress;
+ obex_hs_ep_out_desc.bEndpointAddress =
+ obex_fs_ep_out_desc.bEndpointAddress;
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(hs_function);
- }
+ status = usb_assign_descriptors(f, fs_function, hs_function, NULL);
+ if (status)
+ goto fail;
/* Avoid letting this gadget enumerate until the userspace
* OBEX server is active.
return 0;
fail:
+ usb_free_all_descriptors(f);
/* we might as well release our claims on endpoints */
if (obex->port.out)
obex->port.out->driver_data = NULL;
static void
obex_unbind(struct usb_configuration *c, struct usb_function *f)
{
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(func_to_obex(f));
}
fp->in_ep = ep;
ep->driver_data = fp; /* Claim */
- pn_hs_sink_desc.bEndpointAddress =
- pn_fs_sink_desc.bEndpointAddress;
- pn_hs_source_desc.bEndpointAddress =
- pn_fs_source_desc.bEndpointAddress;
+ pn_hs_sink_desc.bEndpointAddress = pn_fs_sink_desc.bEndpointAddress;
+ pn_hs_source_desc.bEndpointAddress = pn_fs_source_desc.bEndpointAddress;
/* Do not try to bind Phonet twice... */
- fp->function.descriptors = fs_pn_function;
- fp->function.hs_descriptors = hs_pn_function;
+ status = usb_assign_descriptors(f, fs_pn_function, hs_pn_function,
+ NULL);
+ if (status)
+ goto err;
/* Incoming USB requests */
status = -ENOMEM;
for (i = 0; i < phonet_rxq_size && fp->out_reqv[i]; i++)
usb_ep_free_request(fp->out_ep, fp->out_reqv[i]);
err:
-
+ usb_free_all_descriptors(f);
if (fp->out_ep)
fp->out_ep->driver_data = NULL;
if (fp->in_ep)
if (fp->out_reqv[i])
usb_ep_free_request(fp->out_ep, fp->out_reqv[i]);
+ usb_free_all_descriptors(f);
kfree(fp);
}
rndis->notify_req->context = rndis;
rndis->notify_req->complete = rndis_response_complete;
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(eth_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)) {
- hs_in_desc.bEndpointAddress =
- fs_in_desc.bEndpointAddress;
- hs_out_desc.bEndpointAddress =
- fs_out_desc.bEndpointAddress;
- hs_notify_desc.bEndpointAddress =
- fs_notify_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(eth_hs_function);
- if (!f->hs_descriptors)
- goto fail;
- }
+ hs_in_desc.bEndpointAddress = fs_in_desc.bEndpointAddress;
+ hs_out_desc.bEndpointAddress = fs_out_desc.bEndpointAddress;
+ hs_notify_desc.bEndpointAddress = fs_notify_desc.bEndpointAddress;
- if (gadget_is_superspeed(c->cdev->gadget)) {
- ss_in_desc.bEndpointAddress =
- fs_in_desc.bEndpointAddress;
- ss_out_desc.bEndpointAddress =
- fs_out_desc.bEndpointAddress;
- ss_notify_desc.bEndpointAddress =
- fs_notify_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->ss_descriptors = usb_copy_descriptors(eth_ss_function);
- if (!f->ss_descriptors)
- goto fail;
- }
+ ss_in_desc.bEndpointAddress = fs_in_desc.bEndpointAddress;
+ ss_out_desc.bEndpointAddress = fs_out_desc.bEndpointAddress;
+ ss_notify_desc.bEndpointAddress = fs_notify_desc.bEndpointAddress;
+
+ status = usb_assign_descriptors(f, eth_fs_function, eth_hs_function,
+ eth_ss_function);
+ if (status)
+ goto fail;
rndis->port.open = rndis_open;
rndis->port.close = rndis_close;
return 0;
fail:
- if (gadget_is_superspeed(c->cdev->gadget) && f->ss_descriptors)
- usb_free_descriptors(f->ss_descriptors);
- if (gadget_is_dualspeed(c->cdev->gadget) && f->hs_descriptors)
- usb_free_descriptors(f->hs_descriptors);
- if (f->descriptors)
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
if (rndis->notify_req) {
kfree(rndis->notify_req->buf);
rndis_exit();
rndis_string_defs[0].id = 0;
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(rndis->notify_req->buf);
usb_ep_free_request(rndis->notify, rndis->notify_req);
gser->port.out = ep;
ep->driver_data = cdev; /* claim */
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(gser_fs_function);
-
/* 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;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(gser_hs_function);
- }
- 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;
- }
+ gser_hs_in_desc.bEndpointAddress = gser_fs_in_desc.bEndpointAddress;
+ gser_hs_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress;
+ gser_ss_in_desc.bEndpointAddress = gser_fs_in_desc.bEndpointAddress;
+ gser_ss_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress;
+
+ status = usb_assign_descriptors(f, gser_fs_function, gser_hs_function,
+ gser_ss_function);
+ if (status)
+ goto fail;
DBG(cdev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n",
gser->port_num,
gadget_is_superspeed(c->cdev->gadget) ? "super" :
static void
gser_unbind(struct usb_configuration *c, struct usb_function *f)
{
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
kfree(func_to_gser(f));
}
struct usb_composite_dev *cdev = c->cdev;
struct f_sourcesink *ss = func_to_ss(f);
int id;
+ int ret;
/* allocate interface ID(s) */
id = usb_interface_id(c, f);
isoc_maxpacket = 1024;
/* support high speed hardware */
- if (gadget_is_dualspeed(c->cdev->gadget)) {
- hs_source_desc.bEndpointAddress =
- fs_source_desc.bEndpointAddress;
- hs_sink_desc.bEndpointAddress =
- fs_sink_desc.bEndpointAddress;
+ hs_source_desc.bEndpointAddress = fs_source_desc.bEndpointAddress;
+ hs_sink_desc.bEndpointAddress = fs_sink_desc.bEndpointAddress;
- /*
- * Fill in the HS isoc descriptors from the module parameters.
- * We assume that the user knows what they are doing and won't
- * give parameters that their UDC doesn't support.
- */
- hs_iso_source_desc.wMaxPacketSize = isoc_maxpacket;
- hs_iso_source_desc.wMaxPacketSize |= isoc_mult << 11;
- hs_iso_source_desc.bInterval = isoc_interval;
- hs_iso_source_desc.bEndpointAddress =
- fs_iso_source_desc.bEndpointAddress;
-
- hs_iso_sink_desc.wMaxPacketSize = isoc_maxpacket;
- hs_iso_sink_desc.wMaxPacketSize |= isoc_mult << 11;
- hs_iso_sink_desc.bInterval = isoc_interval;
- hs_iso_sink_desc.bEndpointAddress =
- fs_iso_sink_desc.bEndpointAddress;
-
- f->hs_descriptors = hs_source_sink_descs;
- }
+ /*
+ * Fill in the HS isoc descriptors from the module parameters.
+ * We assume that the user knows what they are doing and won't
+ * give parameters that their UDC doesn't support.
+ */
+ hs_iso_source_desc.wMaxPacketSize = isoc_maxpacket;
+ hs_iso_source_desc.wMaxPacketSize |= isoc_mult << 11;
+ hs_iso_source_desc.bInterval = isoc_interval;
+ hs_iso_source_desc.bEndpointAddress =
+ fs_iso_source_desc.bEndpointAddress;
+
+ hs_iso_sink_desc.wMaxPacketSize = isoc_maxpacket;
+ hs_iso_sink_desc.wMaxPacketSize |= isoc_mult << 11;
+ hs_iso_sink_desc.bInterval = isoc_interval;
+ hs_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress;
/* support super speed hardware */
- if (gadget_is_superspeed(c->cdev->gadget)) {
- ss_source_desc.bEndpointAddress =
- fs_source_desc.bEndpointAddress;
- ss_sink_desc.bEndpointAddress =
- fs_sink_desc.bEndpointAddress;
+ ss_source_desc.bEndpointAddress =
+ fs_source_desc.bEndpointAddress;
+ ss_sink_desc.bEndpointAddress =
+ fs_sink_desc.bEndpointAddress;
- /*
- * Fill in the SS isoc descriptors from the module parameters.
- * We assume that the user knows what they are doing and won't
- * give parameters that their UDC doesn't support.
- */
- ss_iso_source_desc.wMaxPacketSize = isoc_maxpacket;
- ss_iso_source_desc.bInterval = isoc_interval;
- ss_iso_source_comp_desc.bmAttributes = isoc_mult;
- ss_iso_source_comp_desc.bMaxBurst = isoc_maxburst;
- ss_iso_source_comp_desc.wBytesPerInterval =
- isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1);
- ss_iso_source_desc.bEndpointAddress =
- fs_iso_source_desc.bEndpointAddress;
-
- ss_iso_sink_desc.wMaxPacketSize = isoc_maxpacket;
- ss_iso_sink_desc.bInterval = isoc_interval;
- ss_iso_sink_comp_desc.bmAttributes = isoc_mult;
- ss_iso_sink_comp_desc.bMaxBurst = isoc_maxburst;
- ss_iso_sink_comp_desc.wBytesPerInterval =
- isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1);
- ss_iso_sink_desc.bEndpointAddress =
- fs_iso_sink_desc.bEndpointAddress;
-
- f->ss_descriptors = ss_source_sink_descs;
- }
+ /*
+ * Fill in the SS isoc descriptors from the module parameters.
+ * We assume that the user knows what they are doing and won't
+ * give parameters that their UDC doesn't support.
+ */
+ ss_iso_source_desc.wMaxPacketSize = isoc_maxpacket;
+ ss_iso_source_desc.bInterval = isoc_interval;
+ ss_iso_source_comp_desc.bmAttributes = isoc_mult;
+ ss_iso_source_comp_desc.bMaxBurst = isoc_maxburst;
+ ss_iso_source_comp_desc.wBytesPerInterval =
+ isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1);
+ ss_iso_source_desc.bEndpointAddress =
+ fs_iso_source_desc.bEndpointAddress;
+
+ ss_iso_sink_desc.wMaxPacketSize = isoc_maxpacket;
+ ss_iso_sink_desc.bInterval = isoc_interval;
+ ss_iso_sink_comp_desc.bmAttributes = isoc_mult;
+ ss_iso_sink_comp_desc.bMaxBurst = isoc_maxburst;
+ ss_iso_sink_comp_desc.wBytesPerInterval =
+ isoc_maxpacket * (isoc_mult + 1) * (isoc_maxburst + 1);
+ ss_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress;
+
+ ret = usb_assign_descriptors(f, fs_source_sink_descs,
+ hs_source_sink_descs, ss_source_sink_descs);
+ if (ret)
+ return ret;
DBG(cdev, "%s speed %s: IN/%s, OUT/%s, ISO-IN/%s, ISO-OUT/%s\n",
(gadget_is_superspeed(c->cdev->gadget) ? "super" :
static void
sourcesink_unbind(struct usb_configuration *c, struct usb_function *f)
{
+ usb_free_all_descriptors(f);
kfree(func_to_ss(f));
}
return -ENOMEM;
ss->function.name = "source/sink";
- ss->function.descriptors = fs_source_sink_descs;
ss->function.bind = sourcesink_bind;
ss->function.unbind = sourcesink_unbind;
ss->function.set_alt = sourcesink_set_alt;
geth->port.out_ep = ep;
ep->driver_data = cdev; /* claim */
- /* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(fs_eth_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)) {
- hs_subset_in_desc.bEndpointAddress =
- fs_subset_in_desc.bEndpointAddress;
- hs_subset_out_desc.bEndpointAddress =
- fs_subset_out_desc.bEndpointAddress;
-
- /* copy descriptors, and track endpoint copies */
- f->hs_descriptors = usb_copy_descriptors(hs_eth_function);
- if (!f->hs_descriptors)
- goto fail;
- }
+ hs_subset_in_desc.bEndpointAddress = fs_subset_in_desc.bEndpointAddress;
+ hs_subset_out_desc.bEndpointAddress =
+ fs_subset_out_desc.bEndpointAddress;
- if (gadget_is_superspeed(c->cdev->gadget)) {
- ss_subset_in_desc.bEndpointAddress =
- fs_subset_in_desc.bEndpointAddress;
- ss_subset_out_desc.bEndpointAddress =
- fs_subset_out_desc.bEndpointAddress;
+ ss_subset_in_desc.bEndpointAddress = fs_subset_in_desc.bEndpointAddress;
+ ss_subset_out_desc.bEndpointAddress =
+ fs_subset_out_desc.bEndpointAddress;
- /* copy descriptors, and track endpoint copies */
- f->ss_descriptors = usb_copy_descriptors(ss_eth_function);
- if (!f->ss_descriptors)
- goto fail;
- }
+ status = usb_assign_descriptors(f, fs_eth_function, hs_eth_function,
+ ss_eth_function);
+ if (status)
+ goto fail;
/* NOTE: all that is done without knowing or caring about
* the network link ... which is unavailable to this code
return 0;
fail:
- if (f->descriptors)
- usb_free_descriptors(f->descriptors);
- if (f->hs_descriptors)
- usb_free_descriptors(f->hs_descriptors);
-
+ usb_free_all_descriptors(f);
/* we might as well release our claims on endpoints */
if (geth->port.out_ep)
geth->port.out_ep->driver_data = NULL;
static void
geth_unbind(struct usb_configuration *c, struct usb_function *f)
{
- if (gadget_is_superspeed(c->cdev->gadget))
- usb_free_descriptors(f->ss_descriptors);
- if (gadget_is_dualspeed(c->cdev->gadget))
- usb_free_descriptors(f->hs_descriptors);
- usb_free_descriptors(f->descriptors);
+ usb_free_all_descriptors(f);
geth_string_defs[1].s = NULL;
kfree(func_to_geth(f));
}
struct usb_composite_dev *cdev = c->cdev;
struct f_audio *audio = func_to_audio(f);
int status;
- struct usb_ep *ep;
+ struct usb_ep *ep = NULL;
f_audio_build_desc(audio);
status = -ENOMEM;
/* copy descriptors, and track endpoint copies */
- f->descriptors = usb_copy_descriptors(f_audio_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)) {
- f->hs_descriptors = usb_copy_descriptors(f_audio_desc);
- }
-
+ status = usb_assign_descriptors(f, f_audio_desc, f_audio_desc, NULL);
+ if (status)
+ goto fail;
return 0;
fail:
-
+ if (ep)
+ ep->driver_data = NULL;
return status;
}
{
struct f_audio *audio = func_to_audio(f);
- usb_free_descriptors(f->descriptors);
- usb_free_descriptors(f->hs_descriptors);
+ usb_free_all_descriptors(f);
kfree(audio);
}
hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress;
hs_epin_desc.wMaxPacketSize = fs_epin_desc.wMaxPacketSize;
- fn->descriptors = usb_copy_descriptors(fs_audio_desc);
- if (gadget_is_dualspeed(gadget))
- fn->hs_descriptors = usb_copy_descriptors(hs_audio_desc);
+ ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL);
+ if (ret)
+ goto err;
prm = &agdev->uac2.c_prm;
prm->max_psize = hs_epout_desc.wMaxPacketSize;
err:
kfree(agdev->uac2.p_prm.rbuf);
kfree(agdev->uac2.c_prm.rbuf);
- usb_free_descriptors(fn->hs_descriptors);
- usb_free_descriptors(fn->descriptors);
+ usb_free_all_descriptors(fn);
if (agdev->in_ep)
agdev->in_ep->driver_data = NULL;
if (agdev->out_ep)
afunc_unbind(struct usb_configuration *cfg, struct usb_function *fn)
{
struct audio_dev *agdev = func_to_agdev(fn);
- struct usb_composite_dev *cdev = cfg->cdev;
- struct usb_gadget *gadget = cdev->gadget;
struct uac2_rtd_params *prm;
alsa_uac2_exit(agdev);
prm = &agdev->uac2.c_prm;
kfree(prm->rbuf);
-
- if (gadget_is_dualspeed(gadget))
- usb_free_descriptors(fn->hs_descriptors);
- usb_free_descriptors(fn->descriptors);
+ usb_free_all_descriptors(fn);
if (agdev->in_ep)
agdev->in_ep->driver_data = NULL;
usb_ep_free_request(cdev->gadget->ep0, uvc->control_req);
kfree(uvc->control_buf);
- kfree(f->descriptors);
- kfree(f->hs_descriptors);
- kfree(f->ss_descriptors);
+ usb_free_all_descriptors(f);
kfree(uvc);
}
/* sanity check the streaming endpoint module parameters */
if (streaming_maxpacket > 1024)
streaming_maxpacket = 1024;
+ /*
+ * Fill in the HS descriptors from the module parameters for the Video
+ * Streaming endpoint.
+ * NOTE: We assume that the user knows what they are doing and won't
+ * give parameters that their UDC doesn't support.
+ */
+ uvc_hs_streaming_ep.wMaxPacketSize = streaming_maxpacket;
+ uvc_hs_streaming_ep.wMaxPacketSize |= streaming_mult << 11;
+ uvc_hs_streaming_ep.bInterval = streaming_interval;
+ uvc_hs_streaming_ep.bEndpointAddress =
+ uvc_fs_streaming_ep.bEndpointAddress;
- /* Copy descriptors for FS. */
- f->descriptors = uvc_copy_descriptors(uvc, USB_SPEED_FULL);
-
- /* support high speed hardware */
- if (gadget_is_dualspeed(cdev->gadget)) {
- /*
- * Fill in the HS descriptors from the module parameters for the
- * Video Streaming endpoint.
- * NOTE: We assume that the user knows what they are doing and
- * won't give parameters that their UDC doesn't support.
- */
- uvc_hs_streaming_ep.wMaxPacketSize = streaming_maxpacket;
- uvc_hs_streaming_ep.wMaxPacketSize |= streaming_mult << 11;
- uvc_hs_streaming_ep.bInterval = streaming_interval;
- uvc_hs_streaming_ep.bEndpointAddress =
- uvc_fs_streaming_ep.bEndpointAddress;
-
- /* Copy descriptors. */
- f->hs_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_HIGH);
- }
+ /*
+ * Fill in the SS descriptors from the module parameters for the Video
+ * Streaming endpoint.
+ * NOTE: We assume that the user knows what they are doing and won't
+ * give parameters that their UDC doesn't support.
+ */
+ uvc_ss_streaming_ep.wMaxPacketSize = streaming_maxpacket;
+ uvc_ss_streaming_ep.bInterval = streaming_interval;
+ uvc_ss_streaming_comp.bmAttributes = streaming_mult;
+ uvc_ss_streaming_comp.bMaxBurst = streaming_maxburst;
+ uvc_ss_streaming_comp.wBytesPerInterval =
+ streaming_maxpacket * (streaming_mult + 1) *
+ (streaming_maxburst + 1);
+ uvc_ss_streaming_ep.bEndpointAddress =
+ uvc_fs_streaming_ep.bEndpointAddress;
- /* support super speed hardware */
- if (gadget_is_superspeed(c->cdev->gadget)) {
- /*
- * Fill in the SS descriptors from the module parameters for the
- * Video Streaming endpoint.
- * NOTE: We assume that the user knows what they are doing and
- * won't give parameters that their UDC doesn't support.
- */
- uvc_ss_streaming_ep.wMaxPacketSize = streaming_maxpacket;
- uvc_ss_streaming_ep.bInterval = streaming_interval;
- uvc_ss_streaming_comp.bmAttributes = streaming_mult;
- uvc_ss_streaming_comp.bMaxBurst = streaming_maxburst;
- uvc_ss_streaming_comp.wBytesPerInterval =
- streaming_maxpacket * (streaming_mult + 1) *
- (streaming_maxburst + 1);
- uvc_ss_streaming_ep.bEndpointAddress =
- uvc_fs_streaming_ep.bEndpointAddress;
-
- /* Copy descriptors. */
+ /* Copy descriptors */
+ f->fs_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_FULL);
+ if (gadget_is_dualspeed(cdev->gadget))
+ f->hs_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_HIGH);
+ if (gadget_is_superspeed(c->cdev->gadget))
f->ss_descriptors = uvc_copy_descriptors(uvc, USB_SPEED_SUPER);
- }
/* Preallocate control endpoint request. */
uvc->control_req = usb_ep_alloc_request(cdev->gadget->ep0, GFP_KERNEL);
kfree(uvc->control_buf);
}
- kfree(f->descriptors);
- kfree(f->hs_descriptors);
- kfree(f->ss_descriptors);
+ usb_free_all_descriptors(f);
return ret;
}
{
struct printer_dev *dev = container_of(f, struct printer_dev, function);
struct usb_composite_dev *cdev = c->cdev;
- struct usb_ep *in_ep, *out_ep;
+ struct usb_ep *in_ep;
+ struct usb_ep *out_ep = NULL;
int id;
+ int ret;
id = usb_interface_id(c, f);
if (id < 0)
hs_ep_in_desc.bEndpointAddress = fs_ep_in_desc.bEndpointAddress;
hs_ep_out_desc.bEndpointAddress = fs_ep_out_desc.bEndpointAddress;
+ ret = usb_assign_descriptors(f, fs_printer_function,
+ hs_printer_function, NULL);
+ if (ret)
+ return ret;
+
dev->in_ep = in_ep;
dev->out_ep = out_ep;
return 0;
static void printer_func_unbind(struct usb_configuration *c,
struct usb_function *f)
{
+ usb_free_all_descriptors(f);
}
static int printer_func_set_alt(struct usb_function *f,
dev = &usb_printer_gadget;
dev->function.name = shortname;
- dev->function.descriptors = fs_printer_function;
- dev->function.hs_descriptors = hs_printer_function;
dev->function.bind = printer_func_bind;
dev->function.setup = printer_func_setup;
dev->function.unbind = printer_func_unbind;
struct usb_gadget *gadget = c->cdev->gadget;
struct usb_ep *ep;
int iface;
+ int ret;
iface = usb_interface_id(c, f);
if (iface < 0)
uasp_ss_status_desc.bEndpointAddress;
uasp_fs_cmd_desc.bEndpointAddress = uasp_ss_cmd_desc.bEndpointAddress;
+ ret = usb_assign_descriptors(f, uasp_fs_function_desc,
+ uasp_hs_function_desc, uasp_ss_function_desc);
+ if (ret)
+ goto ep_fail;
+
return 0;
ep_fail:
pr_err("Can't claim all required eps\n");
{
struct f_uas *fu = to_f_uas(f);
+ usb_free_all_descriptors(f);
kfree(fu);
}
if (!fu)
return -ENOMEM;
fu->function.name = "Target Function";
- fu->function.descriptors = uasp_fs_function_desc;
- fu->function.hs_descriptors = uasp_hs_function_desc;
- fu->function.ss_descriptors = uasp_ss_function_desc;
fu->function.bind = usbg_bind;
fu->function.unbind = usbg_unbind;
fu->function.set_alt = usbg_set_alt;
struct usb_function {
const char *name;
struct usb_gadget_strings **strings;
- struct usb_descriptor_header **descriptors;
+ struct usb_descriptor_header **fs_descriptors;
struct usb_descriptor_header **hs_descriptors;
struct usb_descriptor_header **ss_descriptors;
kfree(v);
}
+struct usb_function;
+int usb_assign_descriptors(struct usb_function *f,
+ struct usb_descriptor_header **fs,
+ struct usb_descriptor_header **hs,
+ struct usb_descriptor_header **ss);
+void usb_free_all_descriptors(struct usb_function *f);
+
/*-------------------------------------------------------------------------*/
/* utility to simplify map/unmap of usb_requests to/from DMA */
projects / firefly-linux-kernel-4.4.55.git / commitdiff