From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753103AbbICJUo (ORCPT ); Thu, 3 Sep 2015 05:20:44 -0400 Received: from lists.s-osg.org ([54.187.51.154]:33833 "EHLO lists.s-osg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751972AbbICJUn (ORCPT ); Thu, 3 Sep 2015 05:20:43 -0400 Subject: Re: [PATCHv6] ARM: exynos_defconfig: Enable LEDS for Odroid-XU3/XU4 To: Anand Moon , Russell King , Kukjin Kim , Krzysztof Kozlowski , Javier Martinez Canillas , Andreas Faerber , Lukasz Majewski References: <1441258696-3699-1-git-send-email-linux.amoon@gmail.com> From: Javier Martinez Canillas X-Enigmail-Draft-Status: N1110 Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: <55E810E3.6080709@osg.samsung.com> Date: Thu, 3 Sep 2015 11:20:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 MIME-Version: 1.0 In-Reply-To: <1441258696-3699-1-git-send-email-linux.amoon@gmail.com> 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 Hello Anand, On 09/03/2015 07:38 AM, Anand Moon wrote: > Enable config option NEW_LEDS, LEDS_CLASS, LEDS_GPIO, LEDS_PWM, > LEDS_TRIGGERS, LEDS_TRIGGER_TIMER, LEDS_TRIGGER_HEARTBEAT for > Odroid-XU3/XU4 board. > > Signed-off-by: Anand Moon > > --- I think Krzysztof already mentioned but a commit message shouln't describe what the change is (one can look to the patch for that) but why the change is needed. So I would had expect something along these lines: Many Exynos boards (i.e: the Exynos5422 Odroid XU3/XU4) have GPIO and PWM based LEDs, so enable the needed Kconfig options to have support for these. Also, some boards use the heartbeat LED trigger so enable support for this as well. > Changes from last version > dropped following option. > CONFIG_LEDS_CLASS_FLASH > CONFIG_TRIGGER_ONESHOT > CONFIG_TRIGGER_GPIO > fixed the From address > --- > arch/arm/configs/exynos_defconfig | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig > index 9504e77..aaf7aa4 100644 > --- a/arch/arm/configs/exynos_defconfig > +++ b/arch/arm/configs/exynos_defconfig > @@ -163,6 +163,13 @@ CONFIG_MMC_SDHCI_S3C_DMA=y > CONFIG_MMC_DW=y > CONFIG_MMC_DW_IDMAC=y > CONFIG_MMC_DW_EXYNOS=y > +CONFIG_NEW_LEDS=y > +CONFIG_LEDS_CLASS=y > +CONFIG_LEDS_GPIO=y > +CONFIG_LEDS_PWM=y > +CONFIG_LEDS_TRIGGERS=y > +CONFIG_LEDS_TRIGGER_TIMER=y I don't see an Exynos board using the timer trigger. Do you need it for some user-space application that uses the sysfs interface? I'm OK with enabling it but again this should be mentioned in the commit message. > +CONFIG_LEDS_TRIGGER_HEARTBEAT=y > CONFIG_RTC_CLASS=y > CONFIG_RTC_DRV_MAX77686=y > CONFIG_RTC_DRV_MAX77802=y > The change looks good to me though so with a better commit message: Reviewed-by: Javier Martinez Canillas Best regards, -- Javier Martinez Canillas Open Source Group Samsung Research America