linux-kernel - [PATCH 1/3] ARM: dma-mapping: define ARCH_HAS_DMA_MMAP

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Date:	Wed, 25 Jul 2012 15:29:22 +0900
From:	Hideki EIRAKU <hdk@...l.co.jp>
To:	Russell King <linux@....linux.org.uk>,
	Pawel Osciak <pawel@...iak.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, linux-fbdev@...r.kernel.org,
	Katsuya MATSUBARA <matsu@...l.co.jp>,
	Hideki EIRAKU <hdk@...l.co.jp>
Subject: [PATCH 1/3] ARM: dma-mapping: define ARCH_HAS_DMA_MMAP_COHERENT

ARCH_HAS_DMA_MMAP_COHERENT indicates that there is dma_mmap_coherent() API
in this architecture.  The name is already defined in PowerPC.

Signed-off-by: Hideki EIRAKU <hdk@...l.co.jp>
---
 arch/arm/include/asm/dma-mapping.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index bbef15d..f41cd30 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -187,6 +187,7 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
 			struct dma_attrs *attrs);
 
 #define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
+#define ARCH_HAS_DMA_MMAP_COHERENT
 
 static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
 				  void *cpu_addr, dma_addr_t dma_addr,
-- 
1.7.0.4

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