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Date:   Wed, 24 Jun 2020 18:24:46 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     daniel.thompson@...aro.org, jingoohan1@...il.com,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/8] Fix a bunch of W=1 warnings in Backlight

Hi Lee.

On Wed, Jun 24, 2020 at 04:43:21PM +0100, Lee Jones wrote:
> On Wed, 24 Jun 2020, Sam Ravnborg wrote:
> 
> > Hi Lee.
> > 
> > On Wed, Jun 24, 2020 at 03:57:13PM +0100, Lee Jones wrote:
> > > Attempting to clean-up W=1 kernel builds, which are currently
> > > overwhelmingly riddled with niggly little warnings.
> > > 
> > > Lee Jones (8):
> > >   backlight: lms501kf03: Remove unused const variables
> > >   backlight: lcd: Add missing kerneldoc entry for 'struct device parent'
> > 
> > 
> > >   backlight: ili922x: Add missing kerneldoc descriptions for
> > >     CHECK_FREQ_REG() args
> > >   backlight: ili922x: Remove invalid use of kerneldoc syntax
> > >   backlight: ili922x: Add missing kerneldoc description for
> > >     ili922x_reg_dump()'s arg
> > I wonder why these warnings show up as nothing pulls in this .c file.
> > Anyway I would suggest to drop using kerneldoc syntax for single drivers
> > like this - and the benefit here is low.
> > Now they are typed, otherwise this ahd been fine in a single patch.
> 
> What do you mean by 'nothing pulls it in'?
There are no .rst files that includes any:
.. kernel-doc:: drivers/video/backlight/ili922x.c

so I do not see how the kernel-doc comments will be used by any
of the generated kernel-docs.

	Sam

> 
> > >   backlight: backlight: Supply description for function args in existing
> > >     Kerneldocs
> > >   backlight: lm3630a_bl: Remove invalid checks for unsigned int < 0
> > >   backlight: qcom-wled: Remove unused configs for LED3 and LED4
> > 
> > The other fixes looks good.
> > They are all:
> > Acked-by: Sam Ravnborg <sam@...nborg.org>
> 
> Thanks (although this should be Reviewed-by).
> 
> > >  drivers/video/backlight/backlight.c  | 2 ++
> > >  drivers/video/backlight/ili922x.c    | 8 ++++++--
> > >  drivers/video/backlight/lcd.c        | 1 +
> > >  drivers/video/backlight/lm3630a_bl.c | 4 ++--
> > >  drivers/video/backlight/lms501kf03.c | 8 --------
> > >  drivers/video/backlight/qcom-wled.c  | 8 --------
> > >  6 files changed, 11 insertions(+), 20 deletions(-)
> > > 
> 
> -- 
> Lee Jones [李琼斯]
> Senior Technical Lead - Developer Services
> Linaro.org │ Open source software for Arm SoCs
> Follow Linaro: Facebook | Twitter | Blog

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