usb_ep_free_buffer(9)

NAME

usb_ep_free_buffer - frees an i/o buffer

SYNOPSIS

void usb_ep_free_buffer(struct usb_ep * ep,  void  *  buf,
dma_addr_t dma, unsigned len);

ARGUMENTS

ep
the endpoint associated with the buffer
buf
CPU view address of the buffer
dma
the buffer's DMA address
len
length of the buffer

DESCRIPTION

reverses the effect of usb_ep_alloc_buffer. caller guaran
tees the buffer will no longer be accessed

AUTHOR

David Brownell <dbrownell@users.sourceforge.net>
Author.

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