Re: [PATCH 1/2] dmaengine: TXx9 Soc DMA Controller driver

From: Atsushi Nemoto
Date: Wed Apr 01 2009 - 12:21:03 EST


On Tue, 31 Mar 2009 12:34:59 -0700, Dan Williams <dan.j.williams@xxxxxxxxx> wrote:
> > Unfortunately, not so simple.  If I created a dma_device for each
> > channel, all chan->chan_id will be 0 and all chan->device->dev points
> > same platform device.  This makes client driver hard to select the
> > particular channel.  Making a platform device for each channel will
> > solve this, but it looks wrong way to go for me.
>
> Why? mv_xor, iop-adma, and ioat each have a platform or pci device
> per channel so you would be in good company.

Hmm, indeed. I will try it. Thanks.
---
Atsushi Nemoto
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