From: Christoph Hellwig <hch@lst.de>
Date: Wed, 20 Dec 2017 14:55:40 +0000 (+0100)
Subject: m32r: remove the unused dma_capable helper
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=8c10fd7f88759e49dd0ae7145ebe9ce89da1c392;p=openwrt%2Fstaging%2Fblogic.git

m32r: remove the unused dma_capable helper

Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/arch/m32r/include/asm/dma-mapping.h b/arch/m32r/include/asm/dma-mapping.h
index 336ffe60814b..8967fb659691 100644
--- a/arch/m32r/include/asm/dma-mapping.h
+++ b/arch/m32r/include/asm/dma-mapping.h
@@ -14,11 +14,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 	return &dma_noop_ops;
 }
 
-static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
-{
-	if (!dev->dma_mask)
-		return false;
-	return addr + size - 1 <= *dev->dma_mask;
-}
-
 #endif /* _ASM_M32R_DMA_MAPPING_H */