[PATCH v5 0/4] hwmon: (ina3221) Implement PM runtime to save power

From: Nicolin Chen
Date: Mon Nov 05 2018 - 15:48:52 EST


This series patches implement PM runtime feature in the ina3221 hwmon
driver (PATCH-4). However, PATCH-[1:3] are required to make sure that
the PM runtime feature would be functional and safe.

Changelog
v4->v5:
* Dropped the change for hwmon core; Shifted all the patch indexes
* Used i2c_client dev pointer for pm runtime callbacks (PATCH-4)
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 (4):
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/ina3221.c | 190 +++++++++++++++++++++++++++++++++++-----
1 file changed, 166 insertions(+), 24 deletions(-)

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2.17.1