linux-kernel - Re: [PATCH] dma: imx-sdma: Save imx_dma

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Date:	Fri, 25 Jul 2014 14:06:58 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Nicolin Chen <nicoleotsuka@...il.com>
Cc:	s.hauer@...gutronix.de, dan.j.williams@...el.com,
	linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: Re: [PATCH] dma: imx-sdma: Save imx_dma_data into sdmac

On Mon, Jun 16, 2014 at 11:32:29AM +0800, Nicolin Chen wrote:
> The filter() function is currently called by xlate() while it transfers
> imx_dma_data as a local variable to the filter() but releases the data
> right after returning a DMA channel pointer, which results chan->private
> pointing an invalid memory space.
> 
> So this patch just stores the imx_dma_data into sdmac to make usre the
> private pointer valid as long as the channel exists.

Applied, thanks

-- 
~Vinod

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