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Subject[PATCH 00/17] rtc: Unify RTC_VL_READ meaning
Date
Hi,

This series unifies the meaning of RTC_VL_READ by redefining it as a
bitfield and defining the values of the various bits. This doesn't break
compatibility with userspaceas long as the return value was used as a
boolean, which should be the case.

The series also ensures RTC_VL_CLR doesn't clear the information when it
is about the data being invalid so the following rtc reads will properly
fail.

Alexandre Belloni (17):
rtc: define RTC_VL_READ values
rtc: Document RTC_VL_READ and RTC_VL_CLR ioctls
rtc: abx80x: return meaningful value for RTC_VL_READ
rtc: pcf2127: return meaningful value for RTC_VL_READ
rtc: pcf8523: return meaningful value for RTC_VL_READ
rtc: pcf8563: remove RTC_VL_CLR handling
rtc: pcf8563: remove conditional compilation
rtc: pcf8563: stop caching voltage_low
rtc: pcf8563: return meaningful value for RTC_VL_READ
rtc: pcf85063: remove RTC_VL_CLR handling
rtc: pcf85063: return meaningful value for RTC_VL_READ
rtc: rv3028: remove RTC_VL_CLR handling
rtc: rv3028: return meaningful value for RTC_VL_READ
rtc: rv8803: avoid clearing RV8803_FLAG_V2F in RTC_VL_CLR
rtc: rv8803: return meaningful value for RTC_VL_READ
rtc: rx8010: remove RTC_VL_CLR handling
rtc: rx8010: return meaningful value for RTC_VL_READ

Documentation/ABI/testing/rtc-cdev | 8 +++++++
drivers/rtc/rtc-abx80x.c | 7 ++----
drivers/rtc/rtc-pcf2127.c | 6 ++---
drivers/rtc/rtc-pcf85063.c | 16 ++-----------
drivers/rtc/rtc-pcf8523.c | 6 ++---
drivers/rtc/rtc-pcf8563.c | 36 ++++++------------------------
drivers/rtc/rtc-rv3028.c | 17 ++------------
drivers/rtc/rtc-rv8803.c | 16 ++++++-------
drivers/rtc/rtc-rx8010.c | 23 +++----------------
include/uapi/linux/rtc.h | 7 +++++-
10 files changed, 42 insertions(+), 100 deletions(-)

--
2.23.0

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