Re: [PATCH v2 1/3] dmaengine: add DMA_PREP_CMD for non-Data descriptors.

From	Vinod Koul <vinod.koul@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 1/3] dmaengine: add DMA_PREP_CMD for non-Data descriptors.
Date	2017-08-02 07:00 +0200
Message-ID	<u9TVg-5fD-5@gated-at.bofh.it> (permalink)
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On Mon, Jul 31, 2017 at 09:35:53AM -0700, Dave Jiang wrote:
> On 07/31/2017 05:34 AM, Vinod Koul wrote:

> > 
> > Are you asking for using DMA_PREP_CMD, for that I think should be ok
> > 
> > If you asking about adding a new flag with DMA_PREP_CMD, then it would no
> 
> Vinod, I wonder if we should introduce a DMA_PREP_CUSTOM flag and then
> reserve X number of upper flag bits to vendor specified that only they
> care about. That way they can define whatever they want in the upper
> bits if they need it.

Nah, that just leads to abuse :( So lets keep adding the flags generically
as and when we need them..

-- 
~Vinod

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Re: [PATCH v2 1/3] dmaengine: add DMA_PREP_CMD for non-Data  descriptors. Vinod Koul <vinod.koul@intel.com> - 2017-07-31 14:40 +0200
  Re: [PATCH v2 1/3] dmaengine: add DMA_PREP_CMD for non-Data  descriptors. Abhishek Sahu <absahu@codeaurora.org> - 2017-07-31 15:10 +0200
  Re: [PATCH v2 1/3] dmaengine: add DMA_PREP_CMD for non-Data  descriptors. Dave Jiang <dave.jiang@intel.com> - 2017-07-31 18:40 +0200
    Re: [PATCH v2 1/3] dmaengine: add DMA_PREP_CMD for non-Data  descriptors. Vinod Koul <vinod.koul@intel.com> - 2017-08-02 07:00 +0200

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