netdev - Re: [E1000-devel] [PATCH] net:ethernet:intel:Remove outdated fix me comment in the function, gb_acquire_swfw_sync

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Message-ID: <alpine.NEB.2.11.1502090901440.395@chris.i8u.org>
Date:	Mon, 9 Feb 2015 09:03:54 -0800 (PST)
From:	Hisashi T Fujinaka <htodd@...fifty.com>
To:	Bjørn Mork <bjorn@...k.no>
cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>, linux.nics@...el.com,
	e1000-devel@...ts.sourceforge.net, bruce.w.allan@...el.com,
	jesse.brandeburg@...el.com, linux-kernel@...r.kernel.org,
	john.ronciak@...el.com, netdev@...r.kernel.org,
	Andrej Manduch <amanduch@...il.com>
Subject: Re: [E1000-devel] [PATCH] net:ethernet:intel:Remove outdated fix me
 comment in the function, gb_acquire_swfw_sync_i210

On Mon, 9 Feb 2015, Bj?rn Mork wrote:

> Jeff Kirsher <jeffrey.t.kirsher@...el.com> writes:
>
>> If you want to see Nick's patch, feel free to view his patch on
>> my queue tree:
>> https://git.kernel.org/cgit/linux/kernel/git/jkirsher/queue.git/
>
> which said:
>  - s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
>  + s32 i = 0, timeout = 200;
>
>
> Comments like the one deleted by that patch do have some value in my
> opinion: They document that the constant is chosen arbitrarily and is
> not taken from some datasheet.
>
> Not a big deal, but leaving such comments, even if the value never ever
> changes, could save someone from trying to figure out where the heck you
> got that constant.  And there's noone actually misinterpreting this
> comment as "something needs to be fixed here", is there? So the cost of
> leaving the comment is exactly zero.
>
> Just my .02 ?.  I'm not going to tell you how to maintain your driver,
> of course.  At least I try not to :-)

I think, for now, we should NAK this. It's a short comment and you don't
want me to replace it with a philosophical statement on how you could
tune the timeout. That's what the data sheet is for.

(Replying from my home account and not my work account -
todd.fujinaka@...el.com)
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