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From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
To: Javier Martinez Canillas <javier@osg.samsung.com>,
	linux-kernel@vger.kernel.org
Cc: Kukjin Kim <kgene@kernel.org>,
	rtc-linux@googlegroups.com, Chanwoo Choi <cw00.choi@samsung.com>,
	Alexandre Belloni <alexandre.belloni@free-electrons.com>,
	Laxman Dewangan <ldewangan@nvidia.com>,
	linux-samsung-soc@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
	Olof Johansson <olof@lixom.net>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/8] rtc: max77686: Extend driver and add max77802 support
Date: Thu, 21 Jan 2016 09:48:20 +0900	[thread overview]
Message-ID: <56A02AD4.40107@samsung.com> (raw)
In-Reply-To: <1453310088-29985-1-git-send-email-javier@osg.samsung.com>

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

  parent reply	other threads:[~2016-01-21  0:48 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-20 17:14 [PATCH 0/8] rtc: max77686: Extend driver and add max77802 support Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 1/8] rtc: max77686: Use ARRAY_SIZE() instead of current array length Javier Martinez Canillas
2016-01-21  0:35   ` Krzysztof Kozlowski
2016-01-20 17:14 ` [PATCH 2/8] rtc: max77686: Use usleep_range() instead of msleep() Javier Martinez Canillas
2016-01-21  0:37   ` Krzysztof Kozlowski
2016-01-21 14:52     ` Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 3/8] rtc: max77686: Use a driver data struct instead hard-coded values Javier Martinez Canillas
2016-01-21  0:45   ` Krzysztof Kozlowski
2016-01-21 14:55     ` Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 4/8] rtc: max77686: Add an indirection level to access RTC registers Javier Martinez Canillas
2016-01-21  1:05   ` Krzysztof Kozlowski
2016-01-21 14:57     ` Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 5/8] rtc: max77686: Add max77802 support Javier Martinez Canillas
2016-01-21  1:56   ` Krzysztof Kozlowski
2016-01-21 15:12     ` Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 6/8] rtc: Remove Maxim 77802 driver Javier Martinez Canillas
2016-01-21  1:57   ` Krzysztof Kozlowski
2016-01-21 15:12     ` Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 7/8] ARM: exynos_defconfig: Remove MAX77802 RTC Kconfig symbol Javier Martinez Canillas
2016-01-21  1:58   ` Krzysztof Kozlowski
2016-01-21 15:14     ` Javier Martinez Canillas
2016-01-20 17:14 ` [PATCH 8/8] ARM: multi_v7_defconfig: " Javier Martinez Canillas
2016-01-21  1:58   ` Krzysztof Kozlowski
2016-01-21  0:30 ` [PATCH 0/8] rtc: max77686: Extend driver and add max77802 support Alexandre Belloni
2016-01-21  0:34   ` Krzysztof Kozlowski
2016-01-21 14:50     ` Javier Martinez Canillas
2016-01-21  0:48 ` Krzysztof Kozlowski [this message]
2016-01-21 15:15   ` Javier Martinez Canillas

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