linux-kernel - [PATCH v6 0/2] power: supply: Add several features support in qcom-battmgr driver

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Message-Id: <20250919-qcom_battmgr_update_new-v6-0-ed5c38867614@oss.qualcomm.com>
Date: Fri, 19 Sep 2025 11:18:49 +0800
From: Fenglin Wu via B4 Relay <devnull+fenglin.wu.oss.qualcomm.com@...nel.org>
To: kernel@....qualcomm.com, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Sebastian Reichel <sre@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Cc: Subbaraman Narayanamurthy <subbaraman.narayanamurthy@....qualcomm.com>, 
 David Collins <david.collins@....qualcomm.com>, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, 
 Fenglin Wu <fenglin.wu@....qualcomm.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: [PATCH v6 0/2] power: supply: Add several features support in
 qcom-battmgr driver

This continues the effort of updating changes which haven't been accepted
in patch v5. Including:
  1. Add nvmem cells for x1-crd device to enable reading back charger
     control threshold.
  2. Add handling for notification 0x83 to avoid unexpected error messages.

Rebase the changes on linux-power-supply.git@...-next

Signed-off-by: Fenglin Wu <fenglin.wu@....qualcomm.com>
---
Changes in v6:
- Dropped patch[1-7] as they have been accepted and present in linux-power-supply.git@...-next.
- Formatted the commit text for easy reading, and correct the bit positions for the additional
  notifications coming along with code 0x83.
- Added "Reported-by" trailer.
- Link to v5: https://lore.kernel.org/r/20250917-qcom_battmgr_update-v5-0-270ade9ffe13@oss.qualcomm.com

Changes in v5:
- Added additional explanation for "state_of_health" in ABI document as Sebastian suggested.
- Removed "Tested-by" trailers in the patches unrelated to charge control feature.
- Updated the copyright statement in qcom_battmgr.c according to the latest guidelines.
- In [PATCH v4 5/8], add "X1E80100" in the "if" variant checks to ensure
  the correctness even if only this patch is applied.
- Format the entries for "nvmem-cells" DT properties.
- Add a new change at last to fix the error messages for unsupported notifications
- Link to v4: https://lore.kernel.org/r/20250915-qcom_battmgr_update-v4-0-6f6464a41afe@oss.qualcomm.com

---
Fenglin Wu (2):
      arm64: dts: qcom: x1e80100-crd: Add charge limit nvmem
      power: supply: qcom_battmgr: handle charging state change notifications

 arch/arm64/boot/dts/qcom/x1-crd.dtsi         |  7 +++++++
 arch/arm64/boot/dts/qcom/x1e80100-pmics.dtsi | 20 ++++++++++++++++++++
 drivers/power/supply/qcom_battmgr.c          |  5 ++++-
 3 files changed, 31 insertions(+), 1 deletion(-)
---
base-commit: cc3e883a06251ba835f15672dbe8724f2687971b
change-id: 20250918-qcom_battmgr_update_new-df15b34148ec

Best regards,
-- 
Fenglin Wu <fenglin.wu@....qualcomm.com>