From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: Shawn Guo <shawn.guo@linaro.org>
Cc: linux-pm@vger.kernel.org, viresh.kumar@linaro.org,
rjw@rjwysocki.net, cpufreq@vger.kernel.org,
Anson Huang <b20788@freescale.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 4/4] cpufreq: imx6q: correct VDDSOC/PU voltage scaling when cpufreq is changed
Date: Wed, 18 Dec 2013 09:30:46 +0100 [thread overview]
Message-ID: <20131218093046.6d439329@ipc1.ka-ro> (raw)
In-Reply-To: <20131217121358.GM6691@S2101-09.ap.freescale.net>
Hi,
Shawn Guo wrote:
> On Tue, Dec 17, 2013 at 10:53:47AM +0100, Lothar Waßmann wrote:
> > > > + if (soc_opp_index >= soc_opp_count) {
> > >
> > > Can soc_opp_index be possibly greater than soc_opp_count? Otherwise,
> > > the condition check below is good enough?
> > >
> > > if (soc_opp_index == soc_opp_count)
> > >
> > it doen't harm to be on the safe side and use >= anyway!
>
> Well, it may confuse reader. At least, it took me some time understand
> how that ">" condition will happen. And it turns out never.
>
man "defensive programming"
Lothar Waßmann
--
___________________________________________________________
Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen
Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10
Geschäftsführer: Matthias Kaussen
Handelsregistereintrag: Amtsgericht Aachen, HRB 4996
www.karo-electronics.de | info@karo-electronics.de
___________________________________________________________
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2013-12-18 8:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-16 21:14 [PATCH 3/4] ARM: imx: add VDDSOC/PU setpoint info into dts Anson Huang
2013-12-16 21:14 ` [PATCH 4/4] cpufreq: imx6q: correct VDDSOC/PU voltage scaling when cpufreq is changed Anson Huang
2013-12-17 2:56 ` Shawn Guo
2013-12-17 7:45 ` Shawn Guo
2013-12-17 9:53 ` Lothar Waßmann
2013-12-17 12:14 ` Shawn Guo
2013-12-17 12:26 ` Anson.Huang
2013-12-18 8:30 ` Lothar Waßmann [this message]
2013-12-17 16:52 ` Anson Huang
2013-12-17 7:02 ` Shawn Guo
2013-12-17 3:10 ` Shawn Guo
2013-12-17 1:40 ` [PATCH 3/4] ARM: imx: add VDDSOC/PU setpoint info into dts Shawn Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131218093046.6d439329@ipc1.ka-ro \
--to=lw@karo-electronics.de \
--cc=b20788@freescale.com \
--cc=cpufreq@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-pm@vger.kernel.org \
--cc=rjw@rjwysocki.net \
--cc=shawn.guo@linaro.org \
--cc=viresh.kumar@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox