From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thierry Reding <thierry.reding@gmail.com>
Subject: Re: [PATCH] pwm: atmel-hlcdc: Prevent div by zero
Date: Fri, 19 Dec 2014 09:50:43 +0100
Message-ID: <20141219085041.GB7352@ulmo>
References: <20141218094442.GA24383@ulmo>
 <1418933131-12270-1-git-send-email-boris.brezillon@free-electrons.com>
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In-Reply-To: <1418933131-12270-1-git-send-email-boris.brezillon@free-electrons.com>
Sender: linux-pwm-owner@vger.kernel.org
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: linux-pwm@vger.kernel.org, Jim Davis <jim.epost@gmail.com>, Stephen Rothwell <sfr@canb.auug.org.au>, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org
List-Id: linux-next.vger.kernel.org


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On Thu, Dec 18, 2014 at 09:05:30PM +0100, Boris Brezillon wrote:
> The slow and system clock should never return a rate of zero, but this
> might happen if the clocks property defined in the DT is referencing the
> wrong clocks.
> Prevent any division by zero from happening by testing the clk_freq value
> before calling do_div.
>=20
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
>  drivers/pwm/pwm-atmel-hlcdc.c | 6 ++++++
>  1 file changed, 6 insertions(+)

Applied, thanks.

Thierry

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