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Message-ID: <c69ed0ca405b477685ed046894bc1c6e@BY2PR0301MB0613.namprd03.prod.outlook.com>
Date: Thu, 4 Sep 2014 02:03:14 +0000
From: "Li.Xiubo@...escale.com" <Li.Xiubo@...escale.com>
To: Thomas Gleixner <tglx@...utronix.de>
CC: "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 4/5] Clocksource: Flextimer: Fix counter clock prescaler
calculation.
Hi Thomas,
Thanks very much for your comments.
Firstly I must tell the true that English is not my mother language.
> Subject: Re: [PATCH 4/5] Clocksource: Flextimer: Fix counter clock prescaler
> calculation.
>
> On Tue, 26 Aug 2014, Xiubo Li wrote:
>
> > We should minus one after calculating the counter input clock's
> > prescaler.
>
> And that's a complete useless changelog.
>
> A) It lacks a proper description of the problem
>
> B) It lacks a proper argument WHY we must decrement the prescaler
> value
>
> Hint: I used the verb "must" instead of "should". Can you figure
> out why?
>
Yes, we should use 'must' here, because we are using 'ps++' in the loop code,
the correct value should be 'ps = ps - 1', after the loop.
BRs
Xiubo
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