Re: [ibm-acpi-devel] [PATCH] platform/x86: thinkpad_acpi: fix kernel-doc warnings

[Mark P. <mpe...@sq...>]

Hi Randy

On Wed, Dec 6, 2023, at 1:01 AM, Randy Dunlap wrote:
> Add a function's return description and don't misuse "/**" for
> non-kernel-doc comments to prevent warnings from scripts/kernel-doc.
>
> thinkpad_acpi.c:523: warning: No description found for return value of 
> 'tpacpi_check_quirks'
> thinkpad_acpi.c:9307: warning: This comment starts with '/**', but 
> isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
> thinkpad_acpi.c:9307: warning: missing initial short description on 
> line:
>  * This evaluates a ACPI method call specific to the battery
>
> Signed-off-by: Randy Dunlap <rd...@in...>
> Cc: Henrique de Moraes Holschuh <hm...@hm...>
> Cc: Hans de Goede <hde...@re...>
> Cc: "Ilpo Järvinen" <ilp...@li...>
> CC: ibm...@li...
> CC: pla...@vg...
> ---
>  drivers/platform/x86/thinkpad_acpi.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff -- a/drivers/platform/x86/thinkpad_acpi.c 
> b/drivers/platform/x86/thinkpad_acpi.c
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -512,10 +512,10 @@ struct tpacpi_quirk {
>   * Iterates over a quirks list until one is found that matches the
>   * ThinkPad's vendor, BIOS and EC model.
>   *
> - * Returns 0 if nothing matches, otherwise returns the quirks field of
> + * Returns: %0 if nothing matches, otherwise returns the quirks field 

Just being nosy - what does %0 do?
I assume it helps with the return value but was intrigued how it is used and where

> of
>   * the matching &struct tpacpi_quirk entry.
>   *
> - * The match criteria is: vendor, ec and bios much match.
> + * The match criteria is: vendor, ec and bios must match.
I can't for the life of me see what is different here. What am I missing? 

>   */
>  static unsigned long __init tpacpi_check_quirks(
>  			const struct tpacpi_quirk *qlist,
> @@ -9303,7 +9303,7 @@ static struct tpacpi_battery_driver_data
> 
>  /* ACPI helpers/functions/probes */
> 
> -/**
> +/*
>   * This evaluates a ACPI method call specific to the battery
>   * ACPI extension. The specifics are that an error is marked
>   * in the 32rd bit of the response, so we just check that here.
>
>
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Thanks
Mark