Re: [PATCH v5 39/39] dma: cirrus: remove platform code

From: Nikita Shubin
Date: Mon Dec 11 2023 - 04:11:20 EST


Hello Andy!

On Wed, 2023-11-22 at 14:31 +0200, Andy Shevchenko wrote:
> On Wed, Nov 22, 2023 at 12:00:17PM +0300, Nikita Shubin wrote:
> > Remove DMA platform header, from now on we use device tree for dma
>
> DMA
>
> > clients.
>
> ...
>
> > +       if (device_is_compatible(chan->device->dev, "cirrus,ep9301-
> > dma-m2p"))
> > +               return true;
> > +
> > +       return !strcmp(dev_name(chan->device->dev), "ep93xx-dma-
> > m2p");
>
> Haven't you introduced an inliner with the similar flow? Why not
> reuse it?

It's the same, i moved it from platform header file into driver itself,
as i am removing "include/linux/platform_data/dma-ep93xx.h" completely.

>
> ...
>
> > +/**
> > + * ep93xx_dma_chan_direction - returns direction the channel can
> > be used
> > + * @chan: channel
> > + *
> > + * This function can be used in filter functions to find out
> > whether the
> > + * channel supports given DMA direction. Only M2P channels have
> > such
> > + * limitation, for M2M channels the direction is configurable.
>
> I believe
>
>         scripts/kernel-doc -v -none -Wall ...
>
> against this file (and maybe others!) will complain ("no return
> section"
> or alike).
>
> > + */
>

Agree, dropped doc style comment and converted it to simple comment, it
is internal to driver now, so no point putting it into docs.