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SubjectRe: [PATCH 3/8] backlight: ili922x: Add missing kerneldoc descriptions for CHECK_FREQ_REG() args
On Fri, 26 Jun 2020, Daniel Thompson wrote:

> On Thu, Jun 25, 2020 at 11:33:34AM +0100, Lee Jones wrote:
> > On Thu, 25 Jun 2020, Daniel Thompson wrote:
> >
> > > On Wed, Jun 24, 2020 at 03:57:16PM +0100, Lee Jones wrote:
> > > > Kerneldoc syntax is used, but not complete. Descriptions required.
> > > >
> > > > Prevents warnings like:
> > > >
> > > > drivers/video/backlight/ili922x.c:116: warning: Function parameter or member 's' not described in 'CHECK_FREQ_REG'
> > > > drivers/video/backlight/ili922x.c:116: warning: Function parameter or member 'x' not described in 'CHECK_FREQ_REG'
> > > >
> > > > Cc: <stable@vger.kernel.org>
> > > > Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> > > > Cc: Software Engineering <sbabic@denx.de>
> > > > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > > > ---
> > > > drivers/video/backlight/ili922x.c | 2 ++
> > > > 1 file changed, 2 insertions(+)
> > > >
> > > > diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c
> > > > index 9c5aa3fbb2842..8cb4b9d3c3bba 100644
> > > > --- a/drivers/video/backlight/ili922x.c
> > > > +++ b/drivers/video/backlight/ili922x.c
> > > > @@ -107,6 +107,8 @@
> > > > * lower frequency when the registers are read/written.
> > > > * The macro sets the frequency in the spi_transfer structure if
> > > > * the frequency exceeds the maximum value.
> > > > + * @s: pointer to controller side proxy for an SPI slave device
> > >
> > > What's wrong with "a pointer to an SPI device"?
> > >
> > > I am aware, having looked it up to find out what the above actually
> > > means, that this is how struct spi_device is described in its own kernel
> > > doc but quoting at that level of detail of both overkill and confusing.
> >
> > I figured that using the official description would be better than
> > making something up. However if you think it's better to KISS, then I
> > can change it.
>
> Yes, I'd strongly prefer KISS here.
>
> I know it is an "I am the world" argument[1] but I found using such a
> dogmatically accurate description out of context to be very confusing
> and therefore I don't think such a comment improves readability.
>
> [1]: See #3 from http://www.leany.com/logic/Adams.html

It's fine, you are the world, I get it. ;)

Do you even like Country music?

Will fix!

--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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