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Thu, 16 Jul 2026 04:25:42 -0400 From: Alexis Czezar Torreno Subject: [PATCH 0/3] hwmon: (pmbus/max34440): Bug fixes and supporting new device Date: Thu, 16 Jul 2026 16:25:10 +0800 Message-ID: <20260716-max34451_fixes-v1-0-a941b27eaecb@analog.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAGaVWGoC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDc0Mz3dzECmMTE1PD+LTMitRiXXMLi9SUJDMjY0NDMyWgpoKiVLAEUE9 0bG0tANsmpNpgAAAA X-Change-ID: 20260716-max34451_fixes-788edb623116 To: Guenter Roeck , Kun Yi , =?utf-8?q?Nuno_S=C3=A1?= , Jonathan Corbet , Shuah Khan CC: , , , Alexis Czezar Torreno , Carlos Jones Jr X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784190339; l=1377; i=alexisczezar.torreno@analog.com; s=20250213; h=from:subject:message-id; bh=y/qvqjK03GUSm9j/UmeJsnNj4sfX6+icnJOo+YfcLiU=; 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The first patch addresses an issue where the driver attempts to access unsupported registers on MAX34451 and ADPM devices, causing CML errors and triggering ALERT. The second patch adds support for the newer MAX34451ETNA8+ silicon revision which uses different direct format coefficients for voltage and current measurements. The third patch introduces support for the MAX34452, a 16-channel voltage/ current monitor that shares a similar architecture with MAX34451. Signed-off-by: Alexis Czezar Torreno --- Alexis Czezar Torreno (2): hwmon: (pmbus/max34440): block unsupported VIN and IIN limit registers hwmon: (pmbus/max34440): add support for newer version of max34451 Carlos Jones Jr (1): hwmon: (pmbus/max34440): Add support for MAX34452 Documentation/hwmon/max34440.rst | 26 ++++--- drivers/hwmon/pmbus/Kconfig | 5 +- drivers/hwmon/pmbus/max34440.c | 150 ++++++++++++++++++++++++++++++++++++--- 3 files changed, 162 insertions(+), 19 deletions(-) --- base-commit: ca078d004cf58137bcf8cb24a8b271397431ba58 change-id: 20260716-max34451_fixes-788edb623116 Best regards, -- Alexis Czezar Torreno