From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH 0/8] rtc: max77686: Extend driver and add max77802 support Date: Thu, 21 Jan 2016 09:48:20 +0900 Message-ID: <56A02AD4.40107@samsung.com> References: <1453310088-29985-1-git-send-email-javier@osg.samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <1453310088-29985-1-git-send-email-javier@osg.samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Javier Martinez Canillas , linux-kernel@vger.kernel.org Cc: Kukjin Kim , rtc-linux@googlegroups.com, Chanwoo Choi , Alexandre Belloni , Laxman Dewangan , linux-samsung-soc@vger.kernel.org, Arnd Bergmann , Olof Johansson , linux-arm-kernel@lists.infradead.org List-Id: linux-samsung-soc@vger.kernel.org On 21.01.2016 02:14, Javier Martinez Canillas wrote: > Hello, > > On a recent disussion [0] with Krzysztof Kozlowski and Laxman Dewangan, > we came to the conclusion that the max77686 and max77802 RTC are almost > the same with only a few differences so there shouldn't be two separate > drivers and is better to extend max77686 driver and delete rtc-max77802. > > By making the driver more generic, other RTC IP blocks from Maxim PMICs > could be supported as well like the max77620. > > Patches #1 is just a trivial cleanup. > > Patch #2 allows to support RTCs that need a shorter delay when updating > the RTC. > > Patch #3 adds a driver data structure to avoid hard-coding parameters > specific to a certain RTC such as the needed delay and RTC register mask. > > Patch #4 changes the driver to use a mapping table instead of using the > max77686 registers offsets directly to allow supporting RTC with other > registers addresses and layout. > > Patch #5 Adds support for max77802 to max77686 RTC driver and patch #6 > removes the old driver since is not needed anymore. > > Finally patch #7 and patch #8 removes the Kconfig symbol from defconfigs. > > I've tested this patch-set on an Exynos5800 Peach Pi Chromebook that has > a max77802 PMIC and the RTC was working correctly but I don't have a > machine with max77686 so I will really appreaciate if someone can test > that no regressions were introduced. > Thanks for the submission. I like the approach. I'll start reviewing the code and testing it... or maybe I'll wait with testing for v2 because I already sent some comments. :) Anyway I will provide later tested-by on max77686. Best regards, Krzysztof