linux-kernel - [PATCH 03/34] powerpc/dma: remove the unused ARCH_HAS_DMA_MMAP

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Date:   Wed, 14 Nov 2018 09:22:43 +0100
From:   Christoph Hellwig <hch@....de>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linuxppc-dev@...ts.ozlabs.org, iommu@...ts.linux-foundation.org,
        linux-mm@...ck.org, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 03/34] powerpc/dma: remove the unused ARCH_HAS_DMA_MMAP_COHERENT define

Signed-off-by: Christoph Hellwig <hch@....de>
Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
---
 arch/powerpc/include/asm/dma-mapping.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 8fa394520af6..f2a4a7142b1e 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -112,7 +112,5 @@ extern int dma_set_mask(struct device *dev, u64 dma_mask);
 
 extern u64 __dma_get_required_mask(struct device *dev);
 
-#define ARCH_HAS_DMA_MMAP_COHERENT
-
 #endif /* __KERNEL__ */
 #endif	/* _ASM_DMA_MAPPING_H */
-- 
2.19.1