linux-kernel - [PATCH v3 0/2] hwmon: ltc2945: Add binding and shunt resistor support

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Message-Id: <20230109233534.1932370-1-jcormier@criticallink.com>
Date:   Mon,  9 Jan 2023 18:35:29 -0500
From:   Jonathan Cormier <jcormier@...ticallink.com>
To:     linux-hwmon@...r.kernel.org
Cc:     Jonathan Cormier <jcormier@...ticallink.com>,
        Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bob Duke <bduke@...ticallink.com>,
        John Pruitt <jpruitt@...ticallink.com>
Subject: [PATCH v3 0/2] hwmon: ltc2945: Add binding and shunt resistor support

Added the ability to specify the value of the shunt resistor in the
device tree instead of assuming it is 1 milliOhm.

Would be good to backport as well

Changes since v2:
- Remove newline
- Combined overflow fix with "Allow setting shunt resistor" commit
- Add description to "Add devicetree match table"
- Add fix for unhandled error case in ltc2945_value_store
- Use imperative in descriptions
- Remove unneeded overflow check from ltc2945_reg_to_val
- Fix up DIV_ROUND_CLOSEST_ULL calls, per docs divisor should be 32-bit
- Split one DIV_ROUND_CLOSEST_ULL change into separate commit per
 Guenter Roeck's comment
Changes since v1:
- Add devicetree match table
- Add kerneldoc for the ltc2945_data struct
- Cleanup excesive comments about the shunt resistor
- Switch to device_property_read_u32()

Cormier, Jonathan (1):
  dt-bindings: hwmon: adi,ltc2945: Add binding

John Pruitt (1):
  hwmon: ltc2945: Allow setting shunt resistor

 .../bindings/hwmon/adi,ltc2945.yaml           | 50 +++++++++++
 drivers/hwmon/ltc2945.c                       | 86 ++++++++++++++-----
 2 files changed, 115 insertions(+), 21 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/hwmon/adi,ltc2945.yaml

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2.25.1