other versions
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¶
interfacealternate 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¶
January 2017 | Kernel Hackers Manual 4.8. |