linux-kernel - Re: [PATCH] base: power: runtime.c: Remove a unnecessary space

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Date:   Sun, 18 Apr 2021 09:11:43 +0000
From:   Sebastian Fricke <sebastian.fricke@...teo.net>
To:     Joe Perches <joe@...ches.com>
Cc:     linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH] base: power: runtime.c: Remove a unnecessary space

Hey Joe,

On 18.04.2021 00:09, Joe Perches wrote:
>On Sun, 2021-04-18 at 06:08 +0000, Sebastian Fricke wrote:
>> Remove a redundant space to improve the quality of the comment.
>
>I think this patch is not useful.
>
>It's not redundant.

Thank you, I actually found this pattern a few more times but I wanted
to check first if this is a mistake or chosen consciously.

Sorry for the noise.

>
>Two spaces after a period is commonly used to separate sentences.
>It's especially common when used with fixed pitch fonts.
>
>A trivial grep seems to show it's used about 50K times in comments.
>Though single space after period may be used about twice as often.
>
>$ git grep '^\s*\*.*\.  [A-Z]' | wc -l
>54439
>$ git grep '^\s*\*.*\. [A-Z]' | wc -l
>110003
>
>For drivers/base/power/runtime.c, that 2 space after period style is used
>dozens of times and changing a single instance of it isn't very useful.

True and if I understand you correctly you would rather keep it as is
right?

Greetings,
Sebastian

>
>> ---
>> Side-note:
>> I found this while reading the code, I don't believe it is important but
>> I thought it doesn't hurt to fix it.
>> ---
>>  drivers/base/power/runtime.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
>> index 18b82427d0cb..499434b84171 100644
>> --- a/drivers/base/power/runtime.c
>> +++ b/drivers/base/power/runtime.c
>> @@ -786,7 +786,7 @@ static int rpm_resume(struct device *dev, int rpmflags)
>>  	}
>>  
>>
>>  	/*
>> -	 * See if we can skip waking up the parent.  This is safe only if
>> +	 * See if we can skip waking up the parent. This is safe only if
>>  	 * power.no_callbacks is set, because otherwise we don't know whether
>>  	 * the resume will actually succeed.
>>  	 */
>
>