linux-kernel - Re: [PATCH] dmaengine: Simple DMA memcpy test client

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Message-ID: <20071120120735.GA25255@uranus.ravnborg.org>
Date:	Tue, 20 Nov 2007 13:07:35 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Haavard Skinnemoen <hskinnemoen@...el.com>
Cc:	Shannon Nelson <shannon.nelson@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org, Olof Johansson <olof@...om.net>
Subject: Re: [PATCH] dmaengine: Simple DMA memcpy test client

On Tue, Nov 20, 2007 at 12:32:34PM +0100, Haavard Skinnemoen wrote:
> This client tests DMA memcpy using various lengths and various offsets
> into the source and destination buffers. It will initialize both
> buffers with a know pattern and verify that the DMA engine copies the
> requested region and nothing more.
> 
> Signed-off-by: Haavard Skinnemoen <hskinnemoen@...el.com>
> ---
> This patch depends on "DMAENGINE: Convert from class_device to
> device". Please let me know if you want a patch that doesn't.
> 
>  drivers/dma/Kconfig   |    8 ++
>  drivers/dma/Makefile  |    1 +
>  drivers/dma/dmatest.c |  272 +++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 281 insertions(+), 0 deletions(-)
>  create mode 100644 drivers/dma/dmatest.c
> 
> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> index 6a7d25f..b669595 100644
> --- a/drivers/dma/Kconfig
> +++ b/drivers/dma/Kconfig
> @@ -49,4 +49,12 @@ config NET_DMA
>  	  Since this is the main user of the DMA engine, it should be enabled;
>  	  say Y here.
>  
> +config DMATEST
> +	tristate "DMA Test client"
> +	depends on DMA_ENGINE
> +	default n

n is implicit default so adding it is for no use.

	Sam
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