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-v5-8-fb20baf97da0%40bootlin.com patch subject: [PATCH v5 08/11] gpio: max7360: Add MAX7360 gpio support config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250319/202503192257.KfRkL589-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/20250319/202503192257.KfRkL589-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/202503192257.KfRkL589-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpio/gpio-max7360.c: In function 'max7360_set_gpos_count': >> drivers/gpio/gpio-max7360.c:78:8: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration] val = FIELD_PREP(MAX7360_PORTS, available_gpios); ^~~~~~~~~~ cc1: some warnings being treated as errors vim +/FIELD_PREP +78 drivers/gpio/gpio-max7360.c 55 56 static int max7360_set_gpos_count(struct device *dev, struct regmap *regmap) 57 { 58 /* 59 * MAX7360 COL0 to COL7 pins can be used either as keypad columns, 60 * general purpose output or a mix of both. 61 * By default, all pins are used as keypad, here we update this 62 * configuration to allow to use some of them as GPIOs. 63 */ 64 unsigned int available_gpios; 65 unsigned int val; 66 int ret; 67 68 ret = max7360_get_available_gpos(dev, &available_gpios); 69 if (ret) 70 return ret; 71 72 /* 73 * Configure which GPIOs will be used for keypad. 74 * MAX7360_REG_DEBOUNCE contains configuration both for keypad debounce 75 * timings and gpos/keypad columns repartition. Only the later is 76 * modified here. 77 */ > 78 val = FIELD_PREP(MAX7360_PORTS, available_gpios); 79 ret = regmap_write_bits(regmap, MAX7360_REG_DEBOUNCE, MAX7360_PORTS, val); 80 if (ret) { 81 dev_err(dev, "Failed to write max7360 columns/gpos configuration"); 82 return ret; 83 } 84 85 return 0; 86 } 87 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
