linux-kernel - Re: [PATCH 5/6] power: supply: max77759: add charger driver

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Message-ID: <be908072-fd0a-48dc-97e0-b120539f5584@google.com>
Date: Wed, 26 Nov 2025 14:04:51 -0800
From: Amit Sunil Dhamne <amitsd@...gle.com>
To: kernel test robot <lkp@...el.com>,
 Amit Sunil Dhamne via B4 Relay <devnull+amitsd.google.com@...nel.org>,
 Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 André Draszik <andre.draszik@...aro.org>,
 Lee Jones <lee@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Badhri Jagan Sridharan <badhri@...gle.com>,
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
 Peter Griffin <peter.griffin@...aro.org>,
 Tudor Ambarus <tudor.ambarus@...aro.org>,
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 RD Babiera <rdbabiera@...gle.com>, Kyle Tso <kyletso@...gle.com>
Subject: Re: [PATCH 5/6] power: supply: max77759: add charger driver


On 11/25/25 11:38 PM, kernel test robot wrote:
> Hi Amit,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on 39f90c1967215375f7d87b81d14b0f3ed6b40c29]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Amit-Sunil-Dhamne-via-B4-Relay/dt-bindings-power-supply-Add-Maxim-MAX77759-charger/20251123-163840
> base:   39f90c1967215375f7d87b81d14b0f3ed6b40c29
> patch link:    https://lore.kernel.org/r/20251123-max77759-charger-v1-5-6b2e4b8f7f54%40google.com
> patch subject: [PATCH 5/6] power: supply: max77759: add charger driver
> config: um-randconfig-001-20251126 (https://download.01.org/0day-ci/archive/20251126/202511261521.hSYp4ttf-lkp@intel.com/config)
> compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251126/202511261521.hSYp4ttf-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@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202511261521.hSYp4ttf-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
>     /usr/bin/ld: warning: .tmp_vmlinux1 has a LOAD segment with RWX permissions
>     /usr/bin/ld: drivers/power/supply/max77759_charger.o: in function `max77759_charger_probe':
>>> max77759_charger.c:(.ltext+0x27b): undefined reference to `devm_regulator_register'
>     /usr/bin/ld: drivers/power/supply/max77759_charger.o: in function `enable_usb_otg':
>>> max77759_charger.c:(.ltext+0x983): undefined reference to `rdev_get_drvdata'
>     /usr/bin/ld: drivers/power/supply/max77759_charger.o: in function `disable_usb_otg':
>     max77759_charger.c:(.ltext+0x9c3): undefined reference to `rdev_get_drvdata'
>     /usr/bin/ld: drivers/power/supply/max77759_charger.o: in function `usb_otg_status':
>     max77759_charger.c:(.ltext+0xa06): undefined reference to `rdev_get_drvdata'
>     clang: error: linker command failed with exit code 1 (use -v to see invocation)
I believe this is because of a missing "depends on REGULATOR". Will fix 
it in the next revision.