Re: [PATCH v2 1/9] dmaengine: Support bus widths of 32 bytes and above

Andy Shevchenko <[email protected]> Wed, 12 Aug 2026 12:50:03 +0300

Newsgroups	org.kernel.vger.linux-iio,org.kernel.vger.dmaengine
Organization	Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo
Message-ID	<[email protected]>

On Wed, Aug 12, 2026 at 10:38:57AM +0100, Nuno SÃ¡ wrote:
> On Wed, Aug 12, 2026 at 10:08:34AM +0100, Nuno SÃ¡ wrote:
> > On Tue, Aug 11, 2026 at 11:28:04PM +0530, Vinod Koul wrote:

...

> > Just remembered that bitmap.h is already included in dmaengine.h anyways. bitops.h
> > is because of __set/clear_bit().
> 
> So, simpler thing would be to move __dma_cap_zero() in dmaengine.c. But
> all other related things are inline APIs and we would be moving this one
> just because of something that live in dmaengine.h for a long time now.
> We could think about some dma-caps.h but that's honestly just out of
> scope for the current series and nothing I can really commit in doing.
> 
> Likely do the same for the bus_width API though I think the split
> header might also work. The one place where the new API will be almost
> always used is in the producer side (so drivers/dma).
> 
> But again, honestly, I'm just tempted in saying, let's leave it as-is.
> bitmap.h is already part of dmaengine.h anyways.

See my previous reply (I made it before reading this message).

-- 
With Best Regards,
Andy Shevchenko