linux-kernel - Re: [PATCH v2] tty: implement led triggers

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Date:   Thu, 10 May 2018 13:14:34 +0200
From:   Pavel Machek <pavel@....cz>
To:     Johan Hovold <johan@...nel.org>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-serial@...r.kernel.org,
        One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        linux-arm-kernel@...ts.infradead.org,
        Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCH v2] tty: implement led triggers

Hi!

> > > > @@ -499,6 +500,7 @@ static void flush_to_ldisc(struct work_struct *work)
> > > >  		struct tty_buffer *head = buf->head;
> > > >  		struct tty_buffer *next;
> > > >  		int count;
> > > > +		unsigned long delay = 50 /* ms */;
> > > 
> > > Comment after the semicolon?
> > 
> > Given that this comment is about the 50 and not the delay member, I
> > prefer it before the ;.
> 
> Hmm. I personally find it hard to read and can only find about 30
> instances of this comment style (for assignments) in the kernel. And
> arguably the comment applies equally well to the delay variable in this
> case too.

It is not too traditional, but I believe it makes sense....

(and yes, I wish we had kernel in Rust, so we could have real units
attached to our variables...)

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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