dma-direct: make dma_direct_{alloc,free} available to other implementations
So that they don't need to indirect through the operation vector.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h
index 10e924b..4788bf0b 100644
--- a/include/linux/dma-direct.h
+++ b/include/linux/dma-direct.h
@@ -38,4 +38,9 @@
}
#endif /* CONFIG_ARCH_HAS_DMA_MARK_CLEAN */
+void *dma_direct_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
+ gfp_t gfp, unsigned long attrs);
+void dma_direct_free(struct device *dev, size_t size, void *cpu_addr,
+ dma_addr_t dma_addr, unsigned long attrs);
+
#endif /* _LINUX_DMA_DIRECT_H */