linux-kernel - [patch] More defines for dma-mapping-broken.h

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Date:	Sat, 10 Feb 2007 12:43:14 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Tejun Heo <htejun@...il.com>, Jeff Garzik <jgarzik@...ox.com>,
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [patch] More defines for dma-mapping-broken.h

From: Heiko Carstens <heiko.carstens@...ibm.com>

9ac7849e35f705830f7b016ff272b0ff1f7ff759 causes this on s390.
Since we don't support DMA extend dma-mapping-broken.h a bit.

drivers/base/dma-mapping.c: In function `dmam_noncoherent_release':
drivers/base/dma-mapping.c:32:
	warning: implicit declaration of function `dma_free_noncoherent'
drivers/base/dma-mapping.c: In function `dmam_alloc_noncoherent':
drivers/base/dma-mapping.c:129:
	warning: implicit declaration of function `dma_alloc_noncoherent'
drivers/base/dma-mapping.c:129:
	warning: assignment makes pointer from integer without a cast

Cc: Tejun Heo <htejun@...il.com>
Cc: Jeff Garzik <jeff@...zik.org>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
---
 include/asm-generic/dma-mapping-broken.h |    4 +++-
 1 files changed, 3 insertions(+), 1 deletion(-)

Index: linux-2.6/include/asm-generic/dma-mapping-broken.h
===================================================================
--- linux-2.6.orig/include/asm-generic/dma-mapping-broken.h
+++ linux-2.6/include/asm-generic/dma-mapping-broken.h
@@ -3,7 +3,6 @@
 
 /* This is used for archs that do not support DMA */
 
-
 static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 		   gfp_t flag)
@@ -19,4 +18,7 @@ dma_free_coherent(struct device *dev, si
 	BUG();
 }
 
+#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)
+
 #endif /* _ASM_GENERIC_DMA_MAPPING_H */
-
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