Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755571AbbHQPSz (ORCPT ); Mon, 17 Aug 2015 11:18:55 -0400 Received: from down.free-electrons.com ([37.187.137.238]:46459 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755341AbbHQPSx (ORCPT ); Mon, 17 Aug 2015 11:18:53 -0400 Date: Mon, 17 Aug 2015 17:18:51 +0200 From: Maxime Ripard To: Timo Sigurdsson Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, wens@csie.org Subject: Re: [PATCH v2] ARM: dts: sunxi: Raise minimum CPU voltage for sun7i-a20 to meet SoC specifications Message-ID: <20150817151851.GE2547@lukather> References: <1438722481-2302-1-git-send-email-public_timo.s@silentcreek.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="+SfteS7bOf3dGlBC" Content-Disposition: inline In-Reply-To: <1438722481-2302-1-git-send-email-public_timo.s@silentcreek.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1998 Lines: 56 --+SfteS7bOf3dGlBC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Timo, On Tue, Aug 04, 2015 at 11:08:01PM +0200, Timo Sigurdsson wrote: > sun7i-a20.dtsi contains a cpufreq operating point at 0.9 volts. The minim= um > CPU voltage for the Allwinner A20 SoC, however, is 1.0 volts. Thus, raise > the voltage for the lowest operating point to 1.0 volts in order to stay > within the SoC specifications. It is an undervolted setting that isn't > stable across all SoCs and boards out there. >=20 > Signed-off-by: Timo Sigurdsson Added Iain's Ack, and Cc stable Thanks! Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --+SfteS7bOf3dGlBC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJV0ftbAAoJEBx+YmzsjxAgA+cP/jERqjw4OzhjC2o3H186LE47 tDWsRWevnXZ+e7h0u9jrtaEvRVpjuASemd/w21aVv5HryhS/F4YRQh9zSljJITgV 1EaNA2I9mAYi6wQVpyrC/IoEUFE45uAO0pXseu5+lNhbfus241mz2aRktcC/F42P p2hDdY0X0xJao0QkQN2ZvhIBnT6GNtaEy+hiLv8hibsUMzl1kRj2ODnwzQm6GY6w +TO8u13wVDlPn1iINUcP0ZuZn5MCj7vTUug57KSB7JsrtCPS07NfcUrYzu72MDax kYg41lwIJhi9Tmvq2aBAleUWGbmf4GPdv1a4fXxqh4JQDygNappy2bh4AwTaLO32 65BKKQf+IhASh+lbfT93LrkaKVbwdgt4yPgjS1+tH7UzChef1e5pAhMBeO3sCAQT E9sUNJP+LEHwCUpNl/5ePpnDawoR16SKc5Rla4JpGR0kCZsFRux1IqSSFLOcPYoM 5x018+l17tphimVjJclNFZxSq2/fnHFh2Bta2MwRqM24iLem5muQ7PhVkmQQlY1y Vy0zDSS4nYSb3U++7oXdSDSNKoLoRNS/pZC3XoJXNKX3AvvPuRYsQ2ZjQ4jhnazJ 2okSLt54MbnfJPRERq8O2CoP2kpds/M8cbq4urvoN+yynx7YAaLbnTLRT6ordQew Ii5klSbPVPuIMei9UBab =KMQF -----END PGP SIGNATURE----- --+SfteS7bOf3dGlBC-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/