Re: [PATCH 1/3] pinctrl: ADI PIN control driver for the GPIOcontroller on bf54x and bf60x.

From: Linus Walleij
Date: Wed Aug 07 2013 - 14:56:54 EST

On Thu, Aug 1, 2013 at 9:31 AM, Sonic Zhang <sonic.adi@xxxxxxxxx> wrote:
> On Tue, Jul 30, 2013 at 12:47 AM, Linus Walleij
> <linus.walleij@xxxxxxxxxx> wrote:
>> On Fri, Jul 26, 2013 at 6:57 AM, Sonic Zhang <sonic.adi@xxxxxxxxx> wrote:
>>> Could you please comment on this patch set? It is based on your former comments.
>> I'll get to it. I'm pretty choked right now and actually trying to have
>> some vacation at the same time.
>> In the meantime, after glancing over and noting prolific use of the
>> unlikely() macro, please read the following articles:
> These articles say the directives should be rarely used. Do you
> suggest to remove them from the patch?

I think so? Or can you make a case for them being in
a critical path, like have you run a profiler (such as perf)
on the code and come to the conclusion that it's really
needed for performance? In that case, spell it out in the
patch description.

Linus Walleij
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