linux-kernel - [PATCH v7 0/2] hwmon: add GPD devices sensor driver

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Message-Id: <20250801-gpd_fan-v7-0-548b9d8f57d7@uniontech.com>
Date: Fri, 01 Aug 2025 15:59:19 +0800
From: Cryolitia PukNgae via B4 Relay <devnull+cryolitia.uniontech.com@...nel.org>
To: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>, 
 Jonathan Corbet <corbet@....net>, 
 Cryolitia PukNgae <cryolitia@...ontech.com>
Cc: linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org, 
 linux-doc@...r.kernel.org, Celeste Liu <CoelacanthusHex@...il.com>, 
 Yao Zi <ziyao@...root.org>, Derek John Clark <derekjohn.clark@...il.com>, 
 WangYuli <wangyuli@...ontech.com>, Jun Zhan <zhanjun@...ontech.com>, 
 Marcin Strągowski <marcin@...agowski.com>, 
 someone5678 <someone5678.dev@...il.com>, 
 Justin Weiss <justin@...tinweiss.com>, 
 Antheas Kapenekakis <lkml@...heas.dev>, command_block <mtf@...me>, 
 derjohn <himself@...john.de>
Subject: [PATCH v7 0/2] hwmon: add GPD devices sensor driver

Sensors driver for GPD Handhelds that expose fan reading and control via
hwmon sysfs.

Shenzhen GPD Technology Co., Ltd. manufactures a series of handheld
devices. This driver implements these functions through x86 port-mapped IO.

Tested-by: Marcin Strągowski <marcin@...agowski.com>
Tested-by: someone5678 <someone5678.dev@...il.com>
Tested-by: Justin Weiss <justin@...tinweiss.com>
Tested-by: Antheas Kapenekakis <lkml@...heas.dev>
Tested-by: command_block <mtf@...me>
Tested-by: derjohn <himself@...john.de>

Signed-off-by: Cryolitia PukNgae <cryolitia@...ontech.com>

---
Changes in v7:
- Add support for GPD Duo
- Change email from cryolitia@...il.com to cryolitia@...ontech.com
- Link to v6: https://lore.kernel.org/r/CAGwozwG13swYjCB6_Wm2h8a2CdHxam+2y=g1m42pynkKqqdDLg@mail.gmail.com

Changes in v6:
- fix: nullptr and label followed by a declaration
- cleanup: clean up code and rename some function
- format code
- dmi: add 2025 new GPD devices
- Link to v5: https://lore.kernel.org/r/20250211-gpd_fan-v5-0-608f4255f0e1@gmail.com

Changes in v5:
- Rebase on kernel 6.13
- Remove all value-cache related code
- Clean up code
- Link to v4: https://lore.kernel.org/r/20240718-gpd_fan-v4-0-116e5431a9fe@gmail.com

Changes in v4:
- Apply suggest by Krzysztof Kozlowski, thanks!
- Link to v3: https://lore.kernel.org/r/20240717-gpd_fan-v3-0-8d7efb1263b7@gmail.com

Changes in v3:
- Re-arrange code, thanks to Krzysztof Kozlowski, Guenter Roeck, Yao Zi!
- Link to v2: https://lore.kernel.org/r/20240717-gpd_fan-v2-0-f7b7e6b9f21b@gmail.com

Changes in v2:
- Improved documentation, thanks to Randy Dunlap!
- Link to v1: https://lore.kernel.org/r/20240716-gpd_fan-v1-0-34051dd71a06@gmail.com

---
Cryolitia PukNgae (2):
      hwmon: add GPD devices sensor driver
      hwmon: document: add gpd-fan

 Documentation/hwmon/gpd-fan.rst |  71 ++++
 Documentation/hwmon/index.rst   |   1 +
 MAINTAINERS                     |   7 +
 drivers/hwmon/Kconfig           |  10 +
 drivers/hwmon/Makefile          |   1 +
 drivers/hwmon/gpd-fan.c         | 753 ++++++++++++++++++++++++++++++++++++++++
 6 files changed, 843 insertions(+)
---
base-commit: 0db240bc077fd16cc16bcecfd7f4645bc474aa7e
change-id: 20240716-gpd_fan-57f30923c884

Best regards,
-- 
Cryolitia PukNgae <cryolitia@...ontech.com>