dma_buf_unpin
EXPORT_SYMBOL_NS_GPL(dma_buf_unpin, "DMA_BUF");
dma_buf_unpin(bo->tbo.base.import_attach);
dma_buf_unpin(attach);
dma_buf_unpin(attach);
dma_buf_unpin(attach);
dma_buf_unpin(attach);
dma_buf_unpin(attach);
dma_buf_unpin(umem_dmabuf->attach);
void dma_buf_unpin(struct dma_buf_attachment *attach);