Re: [PATCH v2 00/17] DS1341 support and code cleanup

From: Alexandre Belloni
Date: Tue Jun 21 2016 - 17:32:54 EST


Hi,

On 21/06/2016 at 00:18:22 -0700, Andrey Smirnov wrote :
> Hi everyone,
>
> This set is a v2 of the DS1307 driver patches. Changes since v1:
>
> - Devicetree bindings are separated into a separate commit
>
> - Device tree properties now have vendor specific prefixes and
> documenatation explicitly stating their type
>
> - Three more patches, with improvements to rtctest.c, are added to
> the patchset
>



> Any feedback is appreciated.
>
> Thank you,
> Andrey Smirnov
>
> Andrey Smirnov (17):
> RTC: ds1307: Add DS1341 variant
> RTC: ds1307: Disable square wave and timers as default
> RTC: ds1307: Add devicetree bindings for DS1341
> RTC: ds1307: Add DS1341 specific power-saving options
> RTC: ds1307: Convert ds1307_can_wakeup_device into a predicate
> RTC: ds1307: Convert want_irq into a predicate

I'll have to triple check that one, it breaks in thousand different
ways, every time someone touches that code :)

> RTC: ds1307: Move chip configuration into a separate routine
> RTC: ds1307: Move chip sanity checking into a separate routine

I'm not sure about the cleanup in those two patches yet, It moves a lot
of code and the readability improvement is not obvious

> RTC: ds1307: Remove register "cache"
> RTC: ds1307: Constify struct ds1307 where possible
> RTC: ds1307: Convert goto to a loop
> RTC: ds1307: Redefine RX8025_REG_* to minimize extra code
> RTC: ds1307: Report oscillator problems more intelligently
> RTC: ds1307: Move last bits of sanity checking out of chip_configure

> RTC: rtctest: Change alarm IRQ support detection
> RTC: rtctest: Change no IRQ detection for RTC_IRQP_READ
> RTC: rtctest: Change no IRQ detection for RTC_IRQP_SET

I already had patches for that issue in a development tree, I'll see if
they match what I did.

--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com