Re: [PATCH v5 59/61] dmaengine: Add a warning for drivers not using the generic slave caps retrieval

From: Vinod Koul
Date: Fri Feb 20 2015 - 01:28:16 EST

On Thu, Feb 19, 2015 at 02:23:27PM +0530, Viresh Kumar wrote:
> On 19 February 2015 at 13:39, Jean Delvare <jdelvare@xxxxxxx> wrote:
> > My understanding is that the warning message is here on purpose to
> > instruct DMA driver authors to fix their code. So if anyone need to fix
> > anything, that would be you and Andy. That being said, I suspect Andy
> To some extent yes, but Andy has already tried to fix that for most of
> the drivers and so I just pointed out that something is missed.
> > already did that:
> >
> > commit 029a40e97d0db269f4a7fc02b0f29f627f628309
> > Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > Date: Fri Jan 2 16:17:24 2015 +0200
> >
> > dmaengine: dw: provide DMA capabilities
> >
> > Brian, can you please try the latest Linus or linux-next kernel (or
> > backport the above commit to your current kernel) and confirm that the
> > backtraces are no longer printed?
> Maybe yes.
This warning was intentionally added to help move driver use the right
method. And I have applied patch from Andy for this, so this should be no
longer seen on Linus's tree

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