linux-kernel - Re: [PATCH] misc: ioc4: simplify wave period measurement in clock

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Message-ID: <20141208165817.52d03794@frodo>
Date:	Mon, 8 Dec 2014 16:58:17 +0100
From:	Richard Leitner <dev@...l1n.net>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Prabhakar Lad <prabhakar.csengg@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] misc: ioc4: simplify wave period measurement in
 clock_calibrate

On Mon, 08 Dec 2014 16:46:31 +0100
Arnd Bergmann <arnd@...db.de> wrote:

> On Monday 08 December 2014 16:28:10 Richard Leitner wrote:
> > 
> > Signed-off-by: Richard Leitner <dev@...l1n.net>
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>
> 
> 
> With the changed loop, do you still get a warning if you
> remove the extra 'start = ktime_get_ns()' at the start of the loop?
> 
Yes. Although IOC4_CALIBRATE_DISCARD is smaller than IOC4_CALIBRATE_END
and there's no more break in the loop, it seems gcc doesn't get it...

regards,
richard

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