From mboxrd@z Thu Jan  1 00:00:00 1970
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
Date: Thu, 11 Aug 2011 09:30:33 +0100
Subject: PLEA: Please fix mach/gpio.h includes (was: Re: [RFC PATCH
	2/2] GPIO: add gpiolib and irqchip for CSR SiRFprimaII GPIO
	controller)
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On Thu, Aug 11, 2011 at 10:25:58AM +0800, Barry Song wrote:
> now every SoCs have different DMA APIs due to different DMA controller:

We already have a solution to this.  It's called dmaengine.  See
drivers/dma, include/linux/dmaengine.h and Documentation/dmaengine.txt
There is work going on at present to convert the OMAP and Samsung SoC
specific DMA support to dmaengine.