linux-kernel - [PATCH] uml: fix compile error in dma_get_cache

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Message-Id: <E1OjTiF-0001KI-Rx@pomaz-ex.szeredi.hu>
Date:	Thu, 12 Aug 2010 11:04:35 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	akpm@...ux-foundation.org, torvalds@...ux-foundation.org
CC:	linux-kernel@...r.kernel.org, fujita.tomonori@....ntt.co.jp,
	jdike@...toit.com
Subject: [PATCH] uml: fix compile error in dma_get_cache_alignment()

From: Miklos Szeredi <mszeredi@...e.cz>

Fix uml compile error:

include/linux/dma-mapping.h:145: error: redefinition of 'dma_get_cache_alignment'
/store/git/linux-2.6/arch/um/include/asm/dma-mapping.h:99: note: previous definition of 'dma_get_cache_alignment' was here

Introduced by this commit:

commit 4565f0170dfc849b3629c27d769db800467baa62
Author: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Date:   Tue Aug 10 18:03:22 2010 -0700

    dma-mapping: unify dma_get_cache_alignment implementations

Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
 arch/um/include/asm/dma-mapping.h |    7 -------
 1 file changed, 7 deletions(-)

Index: linux-2.6/arch/um/include/asm/dma-mapping.h
===================================================================
--- linux-2.6.orig/arch/um/include/asm/dma-mapping.h	2010-08-12 09:32:16.000000000 +0200
+++ linux-2.6/arch/um/include/asm/dma-mapping.h	2010-08-12 10:14:12.000000000 +0200
@@ -95,13 +95,6 @@ dma_sync_sg_for_cpu(struct device *dev,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
-static inline int
-dma_get_cache_alignment(void)
-{
-	BUG();
-	return(0);
-}
-
 static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	       enum dma_data_direction direction)
--
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