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SubjectRe: [PATCH v3 08/10] dmaengine: dw: Add dummy device_caps callback
On Thu, May 28, 2020 at 6:30 PM Serge Semin
<Sergey.Semin@baikalelectronics.ru> wrote:
>
> On Thu, May 28, 2020 at 05:53:03PM +0300, Andy Shevchenko wrote:
> > On Wed, May 27, 2020 at 01:50:19AM +0300, Serge Semin wrote:
> > > Since some DW DMA controllers (like one installed on Baikal-T1 SoC) may
> > > have non-uniform DMA capabilities per device channels, let's add
> > > the DW DMA specific device_caps callback to expose that specifics up to
> > > the DMA consumer. It's a dummy function for now. We'll fill it in with
> > > capabilities overrides in the next commits.
> >
> > I think per se it is not worth to have it separated. Squash into the next one.
>
> bikeshadding?

Actually no.

> There is no any difference whether I add a dummy callback, then
> fill it in in a following up patch, or have the callback added together
> with some content. Let's see what Vinod thinks of it. Until then I'll stick with
> the current solution.

The rule of thumb that we don't add dead code or code which is useless
per se. Go ahead and provide it with some usefulness.

--
With Best Regards,
Andy Shevchenko

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