table of contents
| USB_BUFFER_UNMAP(9) | USB Core APIs | USB_BUFFER_UNMAP(9) |
NAME¶
usb_buffer_unmap - free DMA mapping(s) for an urb
SYNOPSIS¶
void usb_buffer_unmap(struct urb * urb);
ARGUMENTS¶
urb
urb whose transfer_buffer will be unmapped
DESCRIPTION¶
Reverses the effect of usb_buffer_map.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |