dma_need_sync
return dma_need_sync(vring_dma_dev(vq), addr);
bool dma_need_sync = false;
dma_need_sync = !dev->dma_skip_sync;
if (dma_need_sync || dma_addressing_limited(dev))
if (dma_need_sync(lnk->smcibdev->ibdev->dma_device,
dmab->dev.need_sync = dma_need_sync(dmab->dev.dev,
dmab->dev.need_sync = dma_need_sync(dmab->dev.dev, dmab->addr);