Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 2ae842df4551..5c44dcb0987b 100644
@@ -203,6 +203,13 @@ static inline void dma_free_writecombine(struct device *dev, size_t size,
+ * This can be called during early boot to increase the size of the atomic
+ * coherent DMA pool above the default value of 256KiB. It must be called
+ * before postcore_initcall.
+extern void __init init_dma_coherent_pool_size(unsigned long size);
* This can be called during boot to increase the size of the consistent
* DMA region above it's default value of 2MB. It must be called before the
* memory allocator is initialised, i.e. before any core_initcall.