Re: [PATCH 8/8] ARM: omap_hsmmc: remove platform data dma_mask and initialization

[Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>]

On Wed, Apr 18, 2012 at 06:39:14PM -0700, Tony Lindgren wrote:
> Cool, you almost got it. Got it working for n800 and 770 with the following
> patch. Only extremely light testing done now so careful with this patch too..
> 
> Had to hack in support for the src_port and dst_port that's needed for
> omap_set_dma_src/dest_params on omap1.

What's the relationship between these ports and the DMA request signal?
Is there a document which describes this?
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