linux-kernel - Re: [PATCH] clk: shmobile: div6: Avoid division by zero in .round

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Date:	Wed, 04 Feb 2015 20:45:14 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Wolfram Sang <wsa@...-dreams.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>
CC:	Mike Turquette <mturquette@...aro.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Ulrich Hecht <ulrich.hecht+renesas@...il.com>,
	Wolfram Sang <wsa@...g-engineering.com>,
	linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: shmobile: div6: Avoid division by zero in .round_rate()

Hello.

On 02/04/2015 08:32 PM, Wolfram Sang wrote:

>> Anyone may call clk_round_rate() with a zero rate value, so we have to
>> protect against that.

>> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

> Acked-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

> I agree that this should not be fixed in the core because the fixup is
> really driver dependant.

    Dunno, zero frequency seems generally insane to me.

WBR, Sergei

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