usb_ep_alloc_request identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/usb/gadget/udc/core.c, line 178

Defined in 1 files as a prototype:

include/linux/usb/gadget.h, line 255 (as a prototype)

Defined in 2 files as a function:

Referenced in 29 files:

Smatch caller information:

drivers/usb/renesas_usbhs/mod_gadget.c __usbhsg_recip_send_status() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags

drivers/usb/gadget/function/u_ether.c prealloc() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	0	ep->enabled	1
PARAM_VALUE	1	gfp_flags	2080
DATA_SOURCE	0	ep	$1
LOCK2		&dev->req_lock
TYPE_LOCK		(struct eth_dev)->req_lock

drivers/usb/gadget/function/f_mass_storage.c alloc_request() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
BUF_SIZE	0	ep->driver_data	128
CAPPED_DATA	0	ep->address	1
DATA_SOURCE	0	ep	$1

drivers/usb/gadget/function/f_rndis.c rndis_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
DATA_SOURCE	0	ep	r usb_ep_autoconfig
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]
NO_OVERFLOW_SIMPLE	0	ep->num
LOCK2		_T->lock

drivers/usb/gadget/function/f_uac1_legacy.c f_audio_set_alt() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->comp_desc->bDescriptorType	48
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
CAPPED_DATA	0	ep->address	1

drivers/usb/gadget/legacy/inode.c activate_ep_files() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep->driver_data	336
CAPPED_DATA	0	&ep->ep_list	1
RX_PATH
TASK_NOT_RUNNING

drivers/usb/gadget/legacy/inode.c ep_aio() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	1-u64max
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
LOCK2		&epdata->dev->lock
LOCK2		&epdata->lock
LOCK2		irq
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct dev_data)->lock
TYPE_LOCK		(struct ep_data)->lock

drivers/usb/gadget/legacy/inode.c gadgetfs_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING

drivers/usb/gadget/legacy/raw_gadget.c gadget_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING

drivers/usb/gadget/legacy/raw_gadget.c raw_ioctl_ep_enable() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	0
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	1	gfp_flags	2080
BUF_SIZE	0	ep->desc	9
USER_DATA	0	ep->desc->bDescriptorType	0-255
USER_DATA	0	ep->desc->bEndpointAddress	0-255
USER_DATA	0	ep->desc->bInterval	0-255
USER_DATA	0	ep->desc->bLength	0-255
USER_DATA	0	ep->desc->bRefresh	0-255
USER_DATA	0	ep->desc->bSynchAddress	0-255
USER_DATA	0	ep->desc->bmAttributes	0-255
USER_DATA	0	ep->desc->wMaxPacketSize	0-u16max
USER_PTR	0	ep->desc
LOCK2		&dev->lock
LOCK2		flags
TYPE_LOCK		(struct raw_dev)->lock

drivers/usb/chipidea/udc.c isr_get_status_response() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ci->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct ci_hdrc)->lock

drivers/usb/chipidea/udc.c isr_reset_handler() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
LOCK2		flags
HALF_LOCKED2		&sw->lock

drivers/usb/gadget/function/f_loopback.c alloc_requests() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->comp_desc->bDescriptorType	48
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
CAPPED_DATA	0	ep->address	1

drivers/usb/gadget/function/f_phonet.c pn_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]

drivers/usb/gadget/function/f_phonet.c pn_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]

drivers/usb/gadget/function/f_eem.c eem_unwrap() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dev->lock
HALF_LOCKED2		&cdev->lock
HALF_LOCKED2		&pdev->lock
HALF_LOCKED2		&priv_dev->lock
HALF_LOCKED2		&udc->lock
HALF_LOCKED2		cdev_flags
HALF_LOCKED2		flags
TYPE_LOCK		(struct eth_dev)->lock

drivers/usb/gadget/function/f_ecm.c ecm_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
DATA_SOURCE	0	ep	r usb_ep_autoconfig
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]
NO_OVERFLOW_SIMPLE	0	ep->num
LOCK2		_T->lock

drivers/usb/gadget/function/f_printer.c printer_req_alloc() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
DATA_SOURCE	0	ep	$0
DATA_SOURCE	1	gfp_flags	$2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]

drivers/usb/gadget/function/u_audio.c u_audio_start_capture() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->comp_desc->bDescriptorType	48
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
CAPPED_DATA	0	ep->address	1

drivers/usb/gadget/function/u_audio.c u_audio_start_capture() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->comp_desc->bDescriptorType	48
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
CAPPED_DATA	0	ep->address	1

drivers/usb/gadget/function/u_audio.c u_audio_start_playback() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->comp_desc->bDescriptorType	48
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
CAPPED_DATA	0	ep->address	1

drivers/usb/gadget/function/f_uac1.c audio_notify() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->enabled	1
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&card->controls_rwsem
HALF_LOCKED2		&card->mutex
HALF_LOCKED2		_T->lock

drivers/usb/gadget/function/f_uac2.c afunc_notify() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->enabled	1
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&card->controls_rwsem
HALF_LOCKED2		&card->mutex
HALF_LOCKED2		_T->lock

drivers/usb/gadget/function/f_tcm.c bot_prepare_reqs() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c bot_prepare_reqs() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c bot_prepare_reqs() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->ops	4096-ptr_max
PARAM_VALUE	0	ep->ops->alloc_request	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c bot_prepare_reqs() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->ops	4096-ptr_max
PARAM_VALUE	0	ep->ops->alloc_request	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c uasp_alloc_cmd() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c uasp_alloc_stream_res() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c uasp_alloc_stream_res() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/function/f_tcm.c uasp_alloc_stream_res() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		&pool->lock

drivers/usb/gadget/u_f.c alloc_ep_req() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
DATA_SOURCE	0	ep	$0

drivers/usb/gadget/function/f_ncm.c ncm_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
DATA_SOURCE	0	ep	r usb_ep_autoconfig
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]
NO_OVERFLOW_SIMPLE	0	ep->num
LOCK2		_T->lock

drivers/usb/gadget/function/uvc_video.c uvc_video_alloc_requests() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/usb/gadget/function/f_hid.c hidg_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING

drivers/usb/gadget/function/u_serial.c gs_alloc_req() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	1	gfp_flags	2080,3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
DATA_SOURCE	0	ep	$0
DATA_SOURCE	1	gfp_flags	$2
HARD_MAX	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]
NO_OVERFLOW_SIMPLE	0	ep->num
HALF_LOCKED2		&port->port_lock

drivers/usb/gadget/function/f_fs.c __ffs_func_bind_do_descs() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->claimed	1
PARAM_VALUE	0	ep->comp_desc	0
PARAM_VALUE	0	ep->desc	0
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	0	ep->name	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
BUF_SIZE	0	ep	(-1),72
BUF_SIZE	0	ep	(-1),72
DATA_SOURCE	0	ep	r usb_ep_autoconfig
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	ep->address	0-255[u]
NO_OVERFLOW_SIMPLE	0	ep->num

drivers/usb/gadget/function/f_fs.c ffs_dmabuf_transfer() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	2080
LOCK2		&epfile->ffs->eps_lock
LOCK2		dmabuf->resv
LOCK2		irq
TYPE_LOCK		(struct ffs_data)->eps_lock

drivers/usb/gadget/function/f_fs.c ffs_epfile_io() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	2080
RX_PATH
TASK_NOT_RUNNING
LOCK2		&epfile->ffs->eps_lock
LOCK2		irq
HALF_LOCKED2		&epfile->mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct ffs_data)->eps_lock

drivers/usb/gadget/function/f_fs.c functionfs_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING

drivers/usb/gadget/function/f_uvc.c uvc_function_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock

drivers/usb/gadget/composite.c composite_dev_prepare() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING

drivers/usb/gadget/composite.c composite_os_desc_req_prepare() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->ops	4096-ptr_max
PARAM_VALUE	0	ep->ops->alloc_request	4096-ptr_max
PARAM_VALUE	1	gfp_flags	3264
DATA_SOURCE	0	ep	$1
RX_PATH
TASK_NOT_RUNNING

net/9p/trans_usbg.c alloc_requests() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	0	ep	4096-ptr_max
PARAM_VALUE	0	ep->comp_desc	0,4096-ptr_max
PARAM_VALUE	0	ep->comp_desc->bDescriptorType	48
PARAM_VALUE	0	ep->desc	4096-ptr_max
PARAM_VALUE	0	ep->driver_data	4096-ptr_max
PARAM_VALUE	0	ep->enabled	1
PARAM_VALUE	0	ep->maxpacket	0-2047
PARAM_VALUE	1	gfp_flags	2080
CAPPED_DATA	0	ep->address	1

drivers/usb/gadget/legacy/dbgp.c dbgp_bind() -> usb_ep_alloc_request()

Type	Parameter	Key	Value
PARAM_VALUE	1	gfp_flags	3264
RX_PATH
TASK_NOT_RUNNING