Re: [linux-sunxi] Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in sun8i's DMA engines a common quirk

From	Vinod Koul <vinod.koul@intel.com>
Newsgroups	linux.kernel
Subject	Re: [linux-sunxi] Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in sun8i's DMA engines a common quirk
Date	2017-06-15 06:00 +0200
Message-ID	<tSu6R-5JO-3@gated-at.bofh.it> (permalink)
References	(1 earlier) <tOZLY-30O-17@gated-at.bofh.it> <tSc0h-2S1-5@gated-at.bofh.it> <tSc0h-2S1-3@gated-at.bofh.it> <tSc9X-2Vf-13@gated-at.bofh.it> <tSctk-3h2-13@gated-at.bofh.it>
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On Wed, Jun 14, 2017 at 11:04:39AM +0200, Maxime Ripard wrote:
> On Wed, Jun 14, 2017 at 02:15:29PM +0530, Vinod Koul wrote:
> > > SoC info is in compatible, so there's no reason to make it a property.
> > 
> > that's why it would need to be optional for the SoC's that needs these..
> 
> There's nothing optional about that behaviour, it's mandatory for the
> SoC that need it, and useless on the SoC that don't.

And why should kernel put strings for each hw behaviour. I am expecting DT
to tell me if this SoC is a special case or not and kernel shall handle
accordingly

> Plus, that would require changing the DT binding, which isn't
> something we can do.

Any reason why bindings can't change..? I though this was support for new
SoC...

-- 
~Vinod

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Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in sun8i's DMA engines a common quirk Icenowy Zheng <icenowy@aosc.io> - 2017-06-14 10:40 +0200
  Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in sun8i's DMA  engines a common quirk Vinod Koul <vinod.koul@intel.com> - 2017-06-14 10:50 +0200
    Re: [linux-sunxi] Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in sun8i's DMA engines a common quirk Icenowy Zheng <icenowy@aosc.io> - 2017-06-14 11:00 +0200
    Re: [linux-sunxi] Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in  sun8i's DMA engines a common quirk Maxime Ripard <maxime.ripard@free-electrons.com> - 2017-06-14 11:10 +0200
      Re: [linux-sunxi] Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in sun8i's DMA engines a common quirk Icenowy Zheng <icenowy@aosc.io> - 2017-06-15 06:00 +0200
      Re: [linux-sunxi] Re: [PATCH 1/2] dmaengine: sun6i: make gate bit in  sun8i's DMA engines a common quirk Vinod Koul <vinod.koul@intel.com> - 2017-06-15 06:00 +0200

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