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Message-ID: <202601311117.t00gEixW-lkp@intel.com>
Date: Sat, 31 Jan 2026 11:44:35 +0800
From: kernel test robot <lkp@...el.com>
To: Griffin Kroah-Hartman <griffin.kroah@...rphone.com>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Luca Weiss <luca.weiss@...rphone.com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-input@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
Griffin Kroah-Hartman <griffin.kroah@...rphone.com>
Subject: Re: [PATCH v2 2/3] Input: aw86938 - add driver for Awinic AW86938
Hi Griffin,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 0364de6be161e2360cbb1f26d5aff5b343ef7bb0]
url: https://github.com/intel-lab-lkp/linux/commits/Griffin-Kroah-Hartman/dt-bindings-input-awinic-aw86927-Add-Awinic-AW86938/20260129-000753
base: 0364de6be161e2360cbb1f26d5aff5b343ef7bb0
patch link: https://lore.kernel.org/r/20260128-aw86938-driver-v2-2-b51ee086aaf5%40fairphone.com
patch subject: [PATCH v2 2/3] Input: aw86938 - add driver for Awinic AW86938
config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20260131/202601311117.t00gEixW-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260131/202601311117.t00gEixW-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/202601311117.t00gEixW-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/input/misc/aw86927.c:778:19: warning: cast to smaller integer type 'enum aw86927_model' from 'const void *' [-Wvoid-pointer-to-enum-cast]
778 | haptics->model = (enum aw86927_model)device_get_match_data(&client->dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
vim +778 drivers/input/misc/aw86927.c
766
767 static int aw86927_probe(struct i2c_client *client)
768 {
769 struct aw86927_data *haptics;
770 int err;
771
772 haptics = devm_kzalloc(&client->dev, sizeof(struct aw86927_data), GFP_KERNEL);
773 if (!haptics)
774 return -ENOMEM;
775
776 haptics->dev = &client->dev;
777 haptics->client = client;
> 778 haptics->model = (enum aw86927_model)device_get_match_data(&client->dev);
779
780 i2c_set_clientdata(client, haptics);
781
782 haptics->regmap = devm_regmap_init_i2c(client, &aw86927_regmap_config);
783 if (IS_ERR(haptics->regmap))
784 return dev_err_probe(haptics->dev, PTR_ERR(haptics->regmap),
785 "Failed to allocate register map\n");
786
787 haptics->input_dev = devm_input_allocate_device(haptics->dev);
788 if (!haptics->input_dev)
789 return -ENOMEM;
790
791 haptics->reset_gpio = devm_gpiod_get(haptics->dev, "reset", GPIOD_OUT_HIGH);
792 if (IS_ERR(haptics->reset_gpio))
793 return dev_err_probe(haptics->dev, PTR_ERR(haptics->reset_gpio),
794 "Failed to get reset gpio\n");
795
796 /* Hardware reset */
797 aw86927_hw_reset(haptics);
798
799 /* Software reset */
800 err = regmap_write(haptics->regmap, AW86927_RSTCFG_REG, AW86927_RSTCFG_SOFTRST);
801 if (err)
802 return dev_err_probe(haptics->dev, err, "Failed Software reset\n");
803
804 /* Wait ~3ms until I2C is accessible */
805 usleep_range(3000, 3500);
806
807 err = aw86927_detect(haptics);
808 if (err)
809 return dev_err_probe(haptics->dev, err, "Failed to find chip\n");
810
811 /* IRQ config */
812 err = regmap_write(haptics->regmap, AW86927_SYSCTRL4_REG,
813 FIELD_PREP(AW86927_SYSCTRL4_INT_MODE_MASK,
814 AW86927_SYSCTRL4_INT_MODE_EDGE) |
815 FIELD_PREP(AW86927_SYSCTRL4_INT_EDGE_MODE_MASK,
816 AW86927_SYSCTRL4_INT_EDGE_MODE_POS));
817 if (err)
818 return dev_err_probe(haptics->dev, err, "Failed to configure interrupt modes\n");
819
820 err = regmap_write(haptics->regmap, AW86927_SYSINTM_REG,
821 AW86927_SYSINTM_BST_OVPM |
822 AW86927_SYSINTM_FF_AEM |
823 AW86927_SYSINTM_FF_AFM |
824 AW86927_SYSINTM_DONEM);
825 if (err)
826 return dev_err_probe(haptics->dev, err, "Failed to configure interrupt masks\n");
827
828 err = devm_request_threaded_irq(haptics->dev, client->irq, NULL,
829 aw86927_irq, IRQF_ONESHOT, NULL, haptics);
830 if (err)
831 return dev_err_probe(haptics->dev, err, "Failed to request threaded irq\n");
832
833 INIT_WORK(&haptics->play_work, aw86927_haptics_play_work);
834
835 haptics->input_dev->name = "aw86927-haptics";
836 haptics->input_dev->close = aw86927_close;
837
838 input_set_drvdata(haptics->input_dev, haptics);
839 input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE);
840
841 err = input_ff_create_memless(haptics->input_dev, NULL, aw86927_haptics_play);
842 if (err)
843 return dev_err_probe(haptics->dev, err, "Failed to create FF dev\n");
844
845 /* Set up registers */
846 err = aw86927_play_mode(haptics, AW86927_STANDBY_MODE);
847 if (err)
848 return dev_err_probe(haptics->dev, err,
849 "Failed to enter standby for Haptic init\n");
850
851 err = aw86927_haptic_init(haptics);
852 if (err)
853 return dev_err_probe(haptics->dev, err, "Haptic init failed\n");
854
855 /* RAM init, upload the waveform for playback */
856 err = aw86927_ram_init(haptics);
857 if (err)
858 return dev_err_probe(haptics->dev, err, "Failed to init aw86927 sram\n");
859
860 err = input_register_device(haptics->input_dev);
861 if (err)
862 return dev_err_probe(haptics->dev, err, "Failed to register input device\n");
863
864 return 0;
865 }
866
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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