[rtc-linux] Re: [PATCH 0/8] rtc: max77686: Extend driver and add max77802 support

[Javier Martinez Canillas <javier@osg.samsung.com>]

Hello Krzysztof,

On 01/20/2016 09:48 PM, Krzysztof Kozlowski wrote:
> 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.
>

Thanks a lot for your detailed review. I'll post v2 shortly so you can
just test that.
  
> Best regards,
> Krzysztof
>

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America

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