| USB_FREE_STREAMS(9) | Host Controller APIs | USB_FREE_STREAMS(9) |
NAME¶
usb_free_streams - free bulk endpoint stream IDs.
SYNOPSIS¶
int usb_free_streams(struct usb_interface * interface, struct usb_host_endpoint ** eps, unsigned int num_eps, gfp_t mem_flags);
ARGUMENTS¶
interface
alternate setting that includes all endpoints.
eps
array of endpoints to remove streams from.
num_eps
number of endpoints in the array.
mem_flags
flags hcd should use to allocate memory.
DESCRIPTION¶
Reverts a group of bulk endpoints back to not using stream IDs. Can fail if we are given bad arguments, or HCD is broken.
RETURN¶
0 on success. On failure, a negative error code.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |