From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Emilio_L=F3pez?= Subject: Re: [PATCH 03/14] ARM: sunxi: sun5i: Enforce max frequency on PLL6 Date: Thu, 17 Jul 2014 13:19:34 -0300 Message-ID: <53C7F796.2050303@elopez.com.ar> References: <1405588134-2396-1-git-send-email-maxime.ripard@free-electrons.com> <1405588134-2396-4-git-send-email-maxime.ripard@free-electrons.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from yotta.elopez.com.ar ([31.220.24.173]:41033 "EHLO yotta.elopez.com.ar" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933607AbaGQQTs (ORCPT ); Thu, 17 Jul 2014 12:19:48 -0400 In-Reply-To: <1405588134-2396-4-git-send-email-maxime.ripard@free-electrons.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Maxime Ripard Cc: Mike Turquette , Hans de Goede , chris@printf.net, david.lanzendoerfer@o2s.ch, ulf.hansson@linaro.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org Hi Maxime, El 17/07/14 06:08, Maxime Ripard escribi=F3: > PLL6 out of reset is running at 2.4GHz, which is outside of its opera= ting > boundaries. > > Enforce its maximum frequency as set in the datasheet to make sure we= stays > within these bounds. > > Signed-off-by: Maxime Ripard > --- > arch/arm/boot/dts/sun5i-a13.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun= 5i-a13.dtsi > index bf86e65dd167..de89edc5e5b3 100644 > --- a/arch/arm/boot/dts/sun5i-a13.dtsi > +++ b/arch/arm/boot/dts/sun5i-a13.dtsi > @@ -97,6 +97,7 @@ > reg =3D <0x01c20028 0x4>; > clocks =3D <&osc24M>; > clock-output-names =3D "pll6_sata", "pll6_other", "pll6"; > + clock-max-frequency =3D <1200000000>; > }; > > /* dummy is 200M */ > This patch itself is ok, but I'm not seeing so far where is=20 "clock-max-frequency" read from the DT and passed to the clock for late= r=20 verification. Did you leave that out by mistake when shuffling patches? Cheers! Emilio