From: Christoph Hellwig <hch@lst.de>
Date: Fri, 16 Aug 2019 06:24:34 +0000 (+0200)
Subject: dma-mapping: remove is_device_dma_capable
X-Git-Tag: v5.4-rc1~136^2~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd5defaee872da9b81e3c72045eb6794445cd2e6;p=platform%2Fkernel%2Flinux-rpi.git

dma-mapping: remove is_device_dma_capable

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20190816062435.881-6-hch@lst.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index f7d1eea..14702e2 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -149,11 +149,6 @@ static inline int valid_dma_direction(int dma_direction)
 		(dma_direction == DMA_FROM_DEVICE));
 }
 
-static inline int is_device_dma_capable(struct device *dev)
-{
-	return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
-}
-
 #ifdef CONFIG_DMA_DECLARE_COHERENT
 /*
  * These three functions are only for dma allocator.