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usb_alloc_streams
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
usb_alloc_streams - allocate bulk endpoint stream IDs.SYNOPSIS
- int usb_alloc_streams(struct usb_interface * interface, struct usb_host_endpoint ** eps, unsigned int num_eps, unsigned int num_streams, gfp_t mem_flags);
ARGUMENTS
interface
- alternate setting that includes all endpoints.
eps
- array of endpoints that need streams.
num_eps
- number of endpoints in the array.
num_streams
- number of streams to allocate.
mem_flags
- flags hcd should use to allocate memory.
DESCRIPTION
Sets up a group of bulk endpoints to have num_streams stream IDs available. Drivers may queue multiple transfers to different stream IDs, which may complete in a different order than they were queued.
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