1USB_BUFFER_FREE(9)               USB Core APIs              USB_BUFFER_FREE(9)
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NAME

6       usb_buffer_free - free memory allocated with usb_buffer_alloc
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SYNOPSIS

9       void usb_buffer_free(struct usb_device * dev, size_t size, void * addr,
10                            dma_addr_t dma);
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ARGUMENTS

13       dev
14           device the buffer was used with
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16       size
17           requested buffer size
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19       addr
20           CPU address of buffer
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22       dma
23           DMA address of buffer
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DESCRIPTION

26       This reclaims an I/O buffer, letting it be reused. The memory must have
27       been allocated using usb_buffer_alloc, and the parameters must match
28       those provided in that allocation request.
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31Kernel Hackers Manual 2.6.         June 2019                USB_BUFFER_FREE(9)
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