[PATCH v4 0/5] hwmon: (ina3221) Implement PM runtime to save power

Nicolin Chen
2018-10-26T08:26:10Z

This series patches implement PM runtime feature in the ina3221 hwmon
driver (PATCH-5). However, PATCH-[1:4] are required to make sure that
the PM runtime feature would be functional and safe.

Changelog
v3->v4:
* Added generic pm runtime functions to hwmon class (PATCH-1)
* Updated to pass pm pointer via _with_info API (PATCH-5)
v2->v3:
* Dropped timeout dev_err messages as it's indicated in errno (PATCH-4)
* Improved a dev_err message and comments (PATCH-5)
v1->v2:
* Added device pointer check (PATCH-1)
* Returned 0 for alert flags (PATCH-2)
* Moved CVRF polling to data read routine (PATCH-4)
* Bypassed i2c_client->dev in suspend/resume() (PATCH-5)

Nicolin Chen (5):
hwmon: (core) Add pm_runtime to hwmon class
hwmon: (ina3221) Check channel status for alarms attribute read
hwmon: (ina3221) Serialize sysfs ABI accesses
hwmon: (ina3221) Make sure data is ready before reading
hwmon: (ina3221) Add PM runtime support

drivers/hwmon/hwmon.c | 24 ++++
drivers/hwmon/ina3221.c | 290 ++++++++++++++++++++++++++++++----------
include/linux/hwmon.h | 2 +
3 files changed, 245 insertions(+), 71 deletions(-)

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2.17.1