On Wed, Feb 21, 2018 at 8:54 PM, Alexandre Belloni wrote:
> subject:      [PATCH 000/100] rtc: remove cargo culted code
> mailing list: linux-kernel@vger.kernel.org Filter messages from this mailing 
> list
> Hello,
> This series:
>  - removes useless calls to rtc_valid_tm in .read_time, .set_time and
>    .set_alarm
>  - removes code setting default values for RTCs (and lets the core
>    handle it)
>  - removes useless "time is invalid" messages at probe time
>  - removes useless indirect calls
> Those were mostly copy pasted from other drivers

Hi Alexandre,

Acked for:
  rtc: da9063: stop validating rtc_time in .read_time
  rtc: da9052: stop validating rtc_time in .read_time
  rtc: da9055: stop validating rtc_time in .read_time

Acked-by: Steve Twiss <stwiss.opensou...@diasemi.com>

Agreed -- rtc_valid_tm() call is cargo cult for the above.

(By definition) for DA9063 I was trying to be rigorous.
The .read_time function is slightly different here because I can make a copy 
the alarm time into the RTC time
structure to solve an RTC synchronisation problem internally to the DA9063.

But after some further looking, I have not got any explicit case of how the 
time read directly from the DA9063
registers can be incorrectly represented. So there should be no need to check 


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