linux-kernel - Re: [PATCH v3] staging: rts5208: Add more details to Kconfig help

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Date: Fri, 19 Jan 2024 09:34:36 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Jacob Lott <jklott.git@...il.com>
Cc: gregkh@...uxfoundation.org, linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] staging: rts5208: Add more details to Kconfig help

On Thu, Jan 18, 2024 at 02:17:04PM -0500, Jacob Lott wrote:
> The current help text is short and triggers a
> warning from checkpatch.pl. This patch adds more
> details to the help text which should provide better
> information for whether or not to enable the driver.
> 
> Signed-off-by: Jacob Lott <jklott.git@...il.com>
> ---
> v2 -> v3: Fixed spacing and newline in text

The commit message is still not line wrapped correctly at 72-75
characters.  It should have been:

The current help text is short and triggers a warning from checkpatch.pl.
This patch adds more details to the help text which should provide better
information for whether or not to enable the driver.

Or:

The current help text is short and triggers a warning from
checkpatch.pl. This patch adds more details to the help text which
should provide better information for whether or not to enable the
driver.

> v1 -> v2: Corrected line spacing based off feedback
> 
>  drivers/staging/rts5208/Kconfig | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/rts5208/Kconfig b/drivers/staging/rts5208/Kconfig
> index b864023d3ccb..c4664a26ba3b 100644
> --- a/drivers/staging/rts5208/Kconfig
> +++ b/drivers/staging/rts5208/Kconfig
> @@ -3,7 +3,11 @@ config RTS5208
>  	tristate "Realtek PCI-E Card Reader RTS5208/5288 support"
>  	depends on PCI && SCSI
>  	help
> -	  Say Y here to include driver code to support the Realtek
> -	  PCI-E card reader rts5208/rts5288.
> +	  Choose Y here to enable support for the Realtek PCI-E card reader
> +	  RTS5208/5288. This driver facilitates communication between the Linux
> +	  kernel and the Realtek PCI-E card reader.
>  
> -	  If this driver is compiled as a module, it will be named rts5208.
> +	  If you opt to compile this driver as a module, it will be named rts5208.
> +	  Selecting N will exclude this driver from the kernel build. Choose option
> +	  Y if your system includes the Realtek PCI-E card reader rts5208/rts5288.
> +	  When in doubt, it is generally safe to select N.

In the original code there were three lines of help text.

1)         Say Y here to include driver code to support the Realtek
2)         PCI-E card reader rts5208/rts5288.
3)         If this driver is compiled as a module, it will be named rts5208.

The minimum that checkpatch wants is 4 lines.

However, I feel like nothing you're adding here is useful information.
Some of it is just confusing like, "This driver facilitates
communication between the Linux kernel and the Realtek PCI-E card
reader."  That line feels like information, but when you think about it,
it doesn't actually mean anything.  The second paragraph is just
repeated information so it's kind of a waste of time.

Don't just obey checkpatch for the sake of obeying, if we can't think
of anything else useful to say then three lines is enough.

regards,
dan carpenter