---
name: "usb_buffer_dmasync"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/usb_buffer_dmasync"
---

# usb\_buffer\_dmasync(9)

synchronize DMA and CPU view of buffer(s)

## NAME

usb\_buffer\_dmasync - synchronize DMA and CPU view of buffer(s)

## SYNOPSIS

**void usb\_buffer\_dmasync(struct urb \*** *urb***);**

## ARGUMENTS

*urb*

urb whose transfer\_buffer/setup\_packet will be synchronized

## COPYRIGHT