[PATCH 07/16] dma: ipu: remove the use of ipu_platform_data

[Shawn Guo]

On Mon, Jun 18, 2012 at 04:19:44PM +0800, Dong Aisheng wrote:
> Hmm, i'm wondering it may not make too much sense to alloc_descs without
> using irqdomain since the allocated irqs are all virtual irqs.

It still makes much sense, because we are killing all those static
IRQ_START definitions here, so we need to get irq_base by calling
alloc_descs anyway.

> Using private mapping is not recommended.
> Maybe we can do it together with this patch since irqdomain support
> does not depend on device tree.
> What do you think?
> 
At this point, I would be conservative on that, since I do not have
the setup to test all the IPU irq handling.

-- 
Regards,
Shawn