Re: [PATCH] Documentation: dmaengine: Add a documentation for the dma controller API

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On Fri, Aug 01, 2014 at 08:09:17PM +0200, Lars-Peter Clausen wrote:
> On 08/01/2014 07:15 PM, Vinod Koul wrote:
> >On Fri, Aug 01, 2014 at 10:57:07AM +0200, Maxime Ripard wrote:
> >>On Fri, Aug 01, 2014 at 10:00:10AM +0200, Lars-Peter Clausen wrote:
> >>>On 07/31/2014 07:37 PM, Maxime Ripard wrote:
> >>>>On Thu, Jul 31, 2014 at 06:54:11PM +0200, Lars-Peter Clausen wrote:
> >>>>>On 07/31/2014 06:13 PM, Maxime Ripard wrote:
> >>>>>[...]
> >>>>>> From what you're saying, and judging from the drivers that already
> >>>>>>implement it, can't it be moved directly to the framework itself ?
> >>>>>>
> >>>>>
> >>>>>What exactly do you mean by moving it directly to the framework? The
> >>>>>slave_caps API is part of the DMAengine framework.
> >>>>
> >>>>Not its implementation, which is defined by each and every driver,
> >>>>while the behaviour of device_slave_caps is rather generic.
> >>>>
> >>>
> >>>Do you mean something like adding a dma_slave_caps struct field to
> >>>the DMA channel that gets initialized when the channel is created
> >>>and then remove the callback? That makes some sense.
> >>
> >>I was rather thinking into something like:
> >>   - Splitting device_control into independant functions
> >I like this part :)
> 
> I started working on this a while ago by splitting out the
> slave_config functionality into its own callback. Haven't managed to
> finalize it since it wasn't really top priority.

He, I've done the same yesterday... Do you plan on submitting it soon,
or should I keep going?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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