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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>,
	Mike Turquette <mturquette@linaro.org>,
	Stephen Boyd <sboyd@codeaurora.org>,
	Ulrich Hecht <ulrich.hecht+renesas@gmail.com>,
	Wolfram Sang <wsa@sang-engineering.com>,
	linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] clk: shmobile: div6: Avoid division by zero in .round_rate()
Date: Wed, 04 Feb 2015 15:50:40 +0200	[thread overview]
Message-ID: <28464845.1OHBNvdFWi@avalon> (raw)
In-Reply-To: <54D21F31.5080706@cogentembedded.com>

Hi Sergei,

On Wednesday 04 February 2015 16:31:29 Sergei Shtylyov wrote:
> On 02/04/2015 03:27 PM, Geert Uytterhoeven wrote:
> > Anyone may call clk_round_rate() with a zero rate value, so we have to
> > protect against that.
> 
> Shouldn't this be checked and fixed up in clk_round_rate() then?

Not all implementations need to divide by the requested rate, so I don't think 
a check in the core is the best solution.

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

-- 
Regards,

Laurent Pinchart


  reply	other threads:[~2015-02-04 13:49 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-04 12:27 Geert Uytterhoeven
2015-02-04 13:31 ` Sergei Shtylyov
2015-02-04 13:50   ` Laurent Pinchart [this message]
2015-02-04 17:32 ` Wolfram Sang
2015-02-04 17:45   ` Sergei Shtylyov
2015-02-04 22:01     ` Mike Turquette
2015-02-04 22:04       ` Sergei Shtylyov
2015-02-04 22:14         ` Sergei Shtylyov
2015-02-05 17:19           ` Laurent Pinchart
2015-02-05 17:46             ` Mike Turquette
2015-02-06 11:12             ` Sergei Shtylyov
2015-02-04 22:05   ` Mike Turquette

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