Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752166AbaJJXrA (ORCPT ); Fri, 10 Oct 2014 19:47:00 -0400 Received: from saturn.retrosnub.co.uk ([178.18.118.26]:50167 "EHLO saturn.retrosnub.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752073AbaJJXqy (ORCPT ); Fri, 10 Oct 2014 19:46:54 -0400 Message-ID: <5436EA85.90900@kernel.org> Date: Thu, 09 Oct 2014 21:05:25 +0100 From: Jonathan Cameron User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.2 MIME-Version: 1.0 To: Naveen Krishna Chatradhi , linux-iio@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org CC: linux-kernel@vger.kernel.org, cw00.choi@samsung.com, gregkh@linuxfoundation.org, naveenkrishna.ch@gmail.com, lars@metafoo.de, cpgs@samsung.com, grundler@chromium.org, Kukjin Kim Subject: Re: [PATCH v2 0/3] iio: exynos-adc: use syscon instead of ioremap References: <1410857931-4980-1-git-send-email-ch.naveen@samsung.com> <541EC1C2.6090608@kernel.org> In-Reply-To: <541EC1C2.6090608@kernel.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21/09/14 13:17, Jonathan Cameron wrote: > On 16/09/14 09:58, Naveen Krishna Chatradhi wrote: >> Changes since v1: >> 1. Rebased on top of togreg branch of IIO git. >> >> This patch set does the following >> 1. Use the syscon and Regmap API instead of ioremappaing the >> ADC_PHY register from PMU. >> 2. Updates the Documentation in exynos-adc.txt with syscon phandle >> for the ADC nodes. >> 3. Updates the Dts files for Exynos3250, Exynos4x12, Exynos5250, >> Exynos5420 with the syscon phandle. >> >> Tested on Exynos5420 based Peach PIT and Exynos5800 based Peach PI >> by verifying sysfs entries provided by HWMON based NTC thermistors. >> >> Tested-By for Exynos3250, Exynos4x12 would be appreciated. > Would definitely be good! > > The main issue I have with this series is that it breaks backward > compatibility with old device trees and newer kernels. > > Now I appreciate that sometimes there are reasons to do it but want this > to have deeper consideration (and acks to show it) from the Exynos side > of things and preferably from the device tree side of things as well. > > cc'd Kukjin Kim for the Exynos side of things as the listed Maintainer. > > Otherwise, the series looks fine to me. Kukjin? Sorry to pester, but this has been sat in my waiting queue for a while now. >> >> Naveen Krishna Chatradhi (3): >> iio: exyno-adc: use syscon for PMU register access >> Documentation: dt-bindings: update exynos-adc.txt with syscon handle >> ARM: dts: exynos: Add sysreg phandle to ADC node >> >> .../devicetree/bindings/arm/samsung/exynos-adc.txt | 9 ++++-- >> arch/arm/boot/dts/exynos3250.dtsi | 3 +- >> arch/arm/boot/dts/exynos4x12.dtsi | 3 +- >> arch/arm/boot/dts/exynos5250.dtsi | 3 +- >> arch/arm/boot/dts/exynos5420.dtsi | 3 +- >> drivers/iio/adc/exynos_adc.c | 30 ++++++++++++++------ >> 6 files changed, 36 insertions(+), 15 deletions(-) >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- 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/