linux-kernel - RE: [PATCH] dma-mapping: Undefine dma_map_single(), etc if CONFIG_HAVE_DMA

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Date:	Tue, 14 Jun 2011 14:20:14 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	pullip.cho@...sung.com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Cc:	arnd@...db.de, fujita.tomonori@....ntt.co.jp, rmk@....linux.org.uk,
	joerg.roedel@....com
Subject: RE: [PATCH] dma-mapping: Undefine dma_map_single(),
 etc if CONFIG_HAVE_DMA_ATTRS is defined

pullip.cho@...sung.com wrote:
> 
> From: KyongHo Cho <pullip.cho@...sung.com>
> 
> If <asm/dma-mapping.h> includes <asm-generic/dma-mapping-common.h>,
> dma_map_single() become defined recursively when CONFIG_HAVE_DMA_ATTRS
> is not defined.
> Since dma_map_*_attrs() are defined in <linux/dma-mapping.h>, those
> in <asm-generic/dma-mapping-common.h> must be not defined
> if CONFIG_HAVE_DMA_ATTRS is not defined.
> 
> Signed-off-by: KyongHo Cho <pullip.cho@...sung.com>
> CC: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> CC: Joerg Roedel <joerg.roedel@....com>
> CC Arnd Bergmann <arnd@...db.de>
> 
> Change-Id: Ib99ee2b355dbe679263ce2e4e27d6219148c8338

Please don't use this here.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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