Re: [PATCH v5 10/11] input: misc: Add support for MAX7360 rotary

From: kernel test robot
Date: Wed Mar 19 2025 - 12:31:54 EST


Hi Mathieu,

kernel test robot noticed the following build errors:

[auto build test ERROR on a64dcfb451e254085a7daee5fe51bf22959d52d3]

url: https://github.com/intel-lab-lkp/linux/commits/Mathieu-Dubois-Briand/dt-bindings-mfd-gpio-Add-MAX7360/20250319-003750
base: a64dcfb451e254085a7daee5fe51bf22959d52d3
patch link: https://lore.kernel.org/r/20250318-mdb-max7360-support-v5-10-fb20baf97da0%40bootlin.com
patch subject: [PATCH v5 10/11] input: misc: Add support for MAX7360 rotary
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250319/202503192326.KOCnEkdj-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250319/202503192326.KOCnEkdj-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503192326.KOCnEkdj-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

drivers/input/misc/max7360-rotary.c: In function 'max7360_rotary_hw_init':
>> drivers/input/misc/max7360-rotary.c:58:8: error: implicit declaration of function 'FIELD_PREP'; did you mean 'EV_REP'? [-Werror=implicit-function-declaration]
val = FIELD_PREP(MAX7360_ROT_DEBOUNCE, max7360_rotary->debounce_ms) |
^~~~~~~~~~
EV_REP
cc1: some warnings being treated as errors


vim +58 drivers/input/misc/max7360-rotary.c

52
53 static int max7360_rotary_hw_init(struct max7360_rotary *max7360_rotary)
54 {
55 int val;
56 int ret;
57
> 58 val = FIELD_PREP(MAX7360_ROT_DEBOUNCE, max7360_rotary->debounce_ms) |
59 FIELD_PREP(MAX7360_ROT_INTCNT, 1) | MAX7360_ROT_INTCNT_DLY;
60 ret = regmap_write(max7360_rotary->regmap, MAX7360_REG_RTRCFG, val);
61 if (ret) {
62 dev_err(&max7360_rotary->input->dev,
63 "Failed to set max7360 rotary encoder configuration\n");
64 return ret;
65 }
66
67 return 0;
68 }
69

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