From: Christoph Hellwig <hch@lst.de>
Date: Mon, 22 May 2017 09:04:17 +0000 (+0200)
Subject: dma-virt: remove dma_supported and mapping_error methods
X-Git-Tag: v4.13-rc1~128^2~26
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=3be6d9b6da2ca62a4fd73a401b26f4a1dac2a47d;p=linux.git

dma-virt: remove dma_supported and mapping_error methods

These just duplicate the default behavior if no method is provided.

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

diff --git a/lib/dma-virt.c b/lib/dma-virt.c
index dcd4df1f7174..5c4f11329721 100644
--- a/lib/dma-virt.c
+++ b/lib/dma-virt.c
@@ -51,22 +51,10 @@ static int dma_virt_map_sg(struct device *dev, struct scatterlist *sgl,
 	return nents;
 }
 
-static int dma_virt_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-	return false;
-}
-
-static int dma_virt_supported(struct device *dev, u64 mask)
-{
-	return true;
-}
-
 const struct dma_map_ops dma_virt_ops = {
 	.alloc			= dma_virt_alloc,
 	.free			= dma_virt_free,
 	.map_page		= dma_virt_map_page,
 	.map_sg			= dma_virt_map_sg,
-	.mapping_error		= dma_virt_mapping_error,
-	.dma_supported		= dma_virt_supported,
 };
 EXPORT_SYMBOL(dma_virt_ops);