* [rafael-pm:bleeding-edge 9/22] drivers/platform/x86/acer-wmi-battery.c:292:16: error: implicit declaration of function 'devm_battery_hook_register'; did you mean 'acpi_battery_hook_register'?
@ 2026-11-11 2:33 kernel test robot
2026-11-11 4:24 ` Zhongqiu Han
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2026-11-11 2:33 UTC (permalink / raw)
To: Rafael J. Wysocki; +Cc: oe-kbuild-all, linux-acpi, linux-pm
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge
head: 51bafe2e7302403a43ba45415bf9a268a7fcaa05
commit: fafe4f5166bc3d43e28967efb9ea82b1f456b798 [9/22] Merge branch 'acpi-battery' into bleeding-edge
config: x86_64-randconfig-1011-20261111 (https://download.01.org/0day-ci/archive/20261111/202611111027.YYwIlIDB-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261111/202611111027.YYwIlIDB-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202611111027.YYwIlIDB-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/platform/x86/acer-wmi-battery.c: In function 'acer_wmi_battery_probe':
>> drivers/platform/x86/acer-wmi-battery.c:292:16: error: implicit declaration of function 'devm_battery_hook_register'; did you mean 'acpi_battery_hook_register'? [-Wimplicit-function-declaration]
292 | return devm_battery_hook_register(&data->wdev->dev, &data->hook);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| acpi_battery_hook_register
vim +292 drivers/platform/x86/acer-wmi-battery.c
c72dd9994952eb Jelle van der Waa 2026-09-13 275
c72dd9994952eb Jelle van der Waa 2026-09-13 276 static int acer_wmi_battery_probe(struct wmi_device *wdev, const void *context)
c72dd9994952eb Jelle van der Waa 2026-09-13 277 {
c72dd9994952eb Jelle van der Waa 2026-09-13 278 struct acer_wmi_battery_data *data;
c72dd9994952eb Jelle van der Waa 2026-09-13 279
4dd10fbbeb9c33 Kees Cook 2026-10-28 280 data = devm_kzalloc_obj(&wdev->dev, *data);
c72dd9994952eb Jelle van der Waa 2026-09-13 281 if (!data)
c72dd9994952eb Jelle van der Waa 2026-09-13 282 return -ENOMEM;
c72dd9994952eb Jelle van der Waa 2026-09-13 283
c72dd9994952eb Jelle van der Waa 2026-09-13 284 dev_set_drvdata(&wdev->dev, data);
c72dd9994952eb Jelle van der Waa 2026-09-13 285 data->wdev = wdev;
c72dd9994952eb Jelle van der Waa 2026-09-13 286 data->battery_ext = health_mode ? &acer_wmi_battery_extension_v2
c72dd9994952eb Jelle van der Waa 2026-09-13 287 : &acer_wmi_battery_extension_v1;
c72dd9994952eb Jelle van der Waa 2026-09-13 288 data->hook.name = "Acer Battery Extension";
c72dd9994952eb Jelle van der Waa 2026-09-13 289 data->hook.add_battery = acer_battery_add;
c72dd9994952eb Jelle van der Waa 2026-09-13 290 data->hook.remove_battery = acer_battery_remove;
c72dd9994952eb Jelle van der Waa 2026-09-13 291
c72dd9994952eb Jelle van der Waa 2026-09-13 @292 return devm_battery_hook_register(&data->wdev->dev, &data->hook);
c72dd9994952eb Jelle van der Waa 2026-09-13 293 }
c72dd9994952eb Jelle van der Waa 2026-09-13 294
:::::: The code at line 292 was first introduced by commit
:::::: c72dd9994952eb09442827caecb945474ae3072b platform/x86: add Acer battery control driver
:::::: TO: Jelle van der Waa <jelle@vdwaa.nl>
:::::: CC: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [rafael-pm:bleeding-edge 9/22] drivers/platform/x86/acer-wmi-battery.c:292:16: error: implicit declaration of function 'devm_battery_hook_register'; did you mean 'acpi_battery_hook_register'?
2026-11-11 2:33 [rafael-pm:bleeding-edge 9/22] drivers/platform/x86/acer-wmi-battery.c:292:16: error: implicit declaration of function 'devm_battery_hook_register'; did you mean 'acpi_battery_hook_register'? kernel test robot
@ 2026-11-11 4:24 ` Zhongqiu Han
0 siblings, 0 replies; 2+ messages in thread
From: Zhongqiu Han @ 2026-11-11 4:24 UTC (permalink / raw)
To: kernel test robot, Rafael J. Wysocki, Rafael J. Wysocki
Cc: oe-kbuild-all, linux-acpi, linux-pm, Zhongqiu Han, jelle,
Ilpo Järvinen
On 11/11/2026 10:33 AM, kernel test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git bleeding-edge
> head: 51bafe2e7302403a43ba45415bf9a268a7fcaa05
> commit: fafe4f5166bc3d43e28967efb9ea82b1f456b798 [9/22] Merge branch 'acpi-battery' into bleeding-edge
> config: x86_64-randconfig-1011-20261111 (https://download.01.org/0day-ci/archive/20261111/202611111027.YYwIlIDB-lkp@intel.com/config)
> compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261111/202611111027.YYwIlIDB-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202611111027.YYwIlIDB-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
> drivers/platform/x86/acer-wmi-battery.c: In function 'acer_wmi_battery_probe':
>>> drivers/platform/x86/acer-wmi-battery.c:292:16: error: implicit declaration of function 'devm_battery_hook_register'; did you mean 'acpi_battery_hook_register'? [-Wimplicit-function-declaration]
> 292 | return devm_battery_hook_register(&data->wdev->dev, &data->hook);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~
> | acpi_battery_hook_register
I took a quick look at this merge-ordering problem:
devm_battery_hook_register() gained two new callers in v7.4-rc1 while
the rename was still pending:
Old API (devm_battery_hook_register) users:
c72dd9994952 ("platform/x86: add Acer battery control driver")
committed: 2026-09-18
file: drivers/platform/x86/acer-wmi-battery.c
branch: platform-drivers-x86 -> mainline v7.4-rc1
929433336e0a ("platform/x86: hp-wmi: add charge_behaviour support for
Spectre 8C15/8C17")
committed: 2026-10-14
file: drivers/platform/x86/hp/hp-wmi.c
branch: platform-drivers-x86 -> mainline v7.4-rc1
New API (devm_acpi_battery_hook_register):
c27a6fd6b403 ("ACPI: battery: add acpi_ prefix to the battery hook
API")
committed: 2026-11-10
branch: linux-pm bleeding-edge (via the acpi-battery branch,
based on v7.3-rc2)
(Please note that the robot only reported acer-wmi-battery. The hp-wmi
should fail the same way when CONFIG_HP_WMI is enabled)
>
>
> vim +292 drivers/platform/x86/acer-wmi-battery.c
>
> c72dd9994952eb Jelle van der Waa 2026-09-13 275
> c72dd9994952eb Jelle van der Waa 2026-09-13 276 static int acer_wmi_battery_probe(struct wmi_device *wdev, const void *context)
> c72dd9994952eb Jelle van der Waa 2026-09-13 277 {
> c72dd9994952eb Jelle van der Waa 2026-09-13 278 struct acer_wmi_battery_data *data;
> c72dd9994952eb Jelle van der Waa 2026-09-13 279
> 4dd10fbbeb9c33 Kees Cook 2026-10-28 280 data = devm_kzalloc_obj(&wdev->dev, *data);
> c72dd9994952eb Jelle van der Waa 2026-09-13 281 if (!data)
> c72dd9994952eb Jelle van der Waa 2026-09-13 282 return -ENOMEM;
> c72dd9994952eb Jelle van der Waa 2026-09-13 283
> c72dd9994952eb Jelle van der Waa 2026-09-13 284 dev_set_drvdata(&wdev->dev, data);
> c72dd9994952eb Jelle van der Waa 2026-09-13 285 data->wdev = wdev;
> c72dd9994952eb Jelle van der Waa 2026-09-13 286 data->battery_ext = health_mode ? &acer_wmi_battery_extension_v2
> c72dd9994952eb Jelle van der Waa 2026-09-13 287 : &acer_wmi_battery_extension_v1;
> c72dd9994952eb Jelle van der Waa 2026-09-13 288 data->hook.name = "Acer Battery Extension";
> c72dd9994952eb Jelle van der Waa 2026-09-13 289 data->hook.add_battery = acer_battery_add;
> c72dd9994952eb Jelle van der Waa 2026-09-13 290 data->hook.remove_battery = acer_battery_remove;
> c72dd9994952eb Jelle van der Waa 2026-09-13 291
> c72dd9994952eb Jelle van der Waa 2026-09-13 @292 return devm_battery_hook_register(&data->wdev->dev, &data->hook);
> c72dd9994952eb Jelle van der Waa 2026-09-13 293 }
> c72dd9994952eb Jelle van der Waa 2026-09-13 294
>
> :::::: The code at line 292 was first introduced by commit
> :::::: c72dd9994952eb09442827caecb945474ae3072b platform/x86: add Acer battery control driver
>
> :::::: TO: Jelle van der Waa <jelle@vdwaa.nl>
> :::::: CC: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>
--
Thx and BRs,
Zhongqiu Han
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-11-11 2:33 [rafael-pm:bleeding-edge 9/22] drivers/platform/x86/acer-wmi-battery.c:292:16: error: implicit declaration of function 'devm_battery_hook_register'; did you mean 'acpi_battery_hook_register'? kernel test robot
2026-11-11 4:24 ` Zhongqiu Han
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