linux-kernel - Re: [PATCH 1/1] media: v4l: Fix link frequency helper's kernel-doc

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Date: Fri, 2 Feb 2024 13:41:30 +0000
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org
Subject: Re: [PATCH 1/1] media: v4l: Fix link frequency helper's kernel-doc

Hi Mauro,

On Fri, Feb 02, 2024 at 02:30:27PM +0100, Mauro Carvalho Chehab wrote:
> Em Fri,  2 Feb 2024 08:40:07 +0200
> Sakari Ailus <sakari.ailus@...ux.intel.com> escreveu:
> 
> > Fix kernel-doc indentation for v4l2_link_freq_to_bitmap().
> > 
> > Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > Fixes: a68e88e2cf9e ("media: v4l: Add a helper for setting up link-frequencies control")
> > Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
> > ---
> > Thanks for reporting this, Stephen.
> > 
> >  include/media/v4l2-common.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
> > index cd2163f24f8a..602738f7741e 100644
> > --- a/include/media/v4l2-common.h
> > +++ b/include/media/v4l2-common.h
> > @@ -563,7 +563,7 @@ u32 v4l2_fraction_to_interval(u32 numerator, u32 denominator);
> >   * Return values:
> >   *	0: Success
> >   *	-ENOENT: No match found between driver-supported link frequencies and
> > - *		 those available in firmware.
> > + *	those available in firmware.
> >   *	-ENODATA: No link frequencies were specified in firmware.
> >   */
> >  int v4l2_link_freq_to_bitmap(struct device *dev, const u64 *fw_link_freqs,
> 
> This won't do what's expected at documentation, as Sphinx will just
> fold everything into a single paragraph, like:
> 
> 	"0: Success -ENOENT: No match found between driver-supported link frequencies and those available in firmware. -ENODATA: No link frequencies were specified in firmware."
> 
> Maybe you could try using (untested):
> 
> 
> 	* Return values:
>         *
> 	* * 0: success
> 	* * -ENOENT: No match found between driver-supported link frequencies and
> 	*     those available in firmware.
>         * * - ENODATA: No link frequencies were specified in firmware.
> 
> Please test it and see if the "make htmldocs" output will be what it would
> be expected.

Hans separately submitted a patch to address this better, it's here:

<URL:https://lore.kernel.org/linux-media/ZbysG-sUu9jf3fwQ@kekkonen.localdomain/T/#t>

So this one can be ignored.

-- 
Regards,

Sakari Ailus