chcr_hash_dma_unmap
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
void chcr_hash_dma_unmap(struct device *dev, struct ahash_request *req);