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Commit 57c7140e authored by Sivasri Kumar Vanka's avatar Sivasri Kumar Vanka
Browse files

arm: mm: dma-mapping: fix unused function warning 



Compile the static function is_dma_coherent, when config
ARM_DMA_USE_IOMMU is selected. Compiler's configured to
treat unused function as error will pass through.

Change-Id: I0ad343ce9c7a50faf8c2085af0c60d709b07559d
Signed-off-by: default avatarRakesh Kumar <rakekuma@codeaurora.org>
Signed-off-by: default avatarSivasri Kumar Vanka <sivasri@codeaurora.org>
parent 98f43325

arch/arm/mm/dma-mapping.c

+2 −0
Original line number Diff line number Diff line
@@ -143,6 +143,7 @@ static pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot, 
	return prot;

}



#ifdef CONFIG_ARM_DMA_USE_IOMMU

static bool is_dma_coherent(struct device *dev, unsigned long attrs,

			    bool is_coherent)

{
@@ -155,6 +156,7 @@ static bool is_dma_coherent(struct device *dev, unsigned long attrs, 


	return is_coherent;

}

#endif



/**

 * arm_dma_map_page - map a portion of a page for streaming DMA