tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: 629150468791671b5fde21363e643e87c5815b17 commit: af0c19b6f15388c554317280433100fd9f3d7d0a [1277/1697] gpio: xilinx: Use xilinx tested gpio driver config: m68k-randconfig-r013-20210112 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/Xilinx/linux-xlnx/commit/af0c19b6f15388c55431728043310... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout af0c19b6f15388c554317280433100fd9f3d7d0a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): 68 | struct of_mm_gpio_chip mmchip; | ^~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_get': 94 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/bitops.h:15, from include/linux/bitops.h:26, from drivers/gpio/gpio-xilinx.c:15: 994 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ | ^~~~~~ include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert' 330 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' 350 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/kernel.h:994:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' 994 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ | ^~~~~~~~~~~~~~~~ include/linux/kernel.h:994:20: note: in expansion of macro '__same_type' 994 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \ | ^~~~~~~~~~~ drivers/gpio/gpio-xilinx.c:96:6: note: in expansion of macro 'container_of' 96 | container_of(mm_gc, struct xgpio_instance, mmchip); | ^~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_set': drivers/gpio/gpio-xilinx.c:115:34: warning: initialization of 'struct of_mm_gpio_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 115 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_set_multiple': drivers/gpio/gpio-xilinx.c:147:34: warning: initialization of 'struct of_mm_gpio_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 147 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_dir_in': drivers/gpio/gpio-xilinx.c:187:34: warning: initialization of 'struct of_mm_gpio_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 187 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_dir_out': drivers/gpio/gpio-xilinx.c:218:34: warning: initialization of 'struct of_mm_gpio_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 218 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_xlate': drivers/gpio/gpio-xilinx.c:274:34: warning: initialization of 'struct of_mm_gpio_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 274 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ 277 | if (gc->of_gpio_n_cells == 3 && flags) | ^~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_to_irq': drivers/gpio/gpio-xilinx.c:392:34: warning: initialization of 'struct of_mm_gpio_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 392 | struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); | ^~~~~~~~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c: In function 'xgpio_remove': 576 | of_mm_gpiochip_remove(&chip->mmchip); | ^~~~~~~~~~~~~~~~~~~~~ | gpiochip_remove drivers/gpio/gpio-xilinx.c: In function 'xgpio_of_probe': 676 | status = of_mm_gpiochip_add(np, &chip->mmchip); | ^~~~~~~~~~~~~~~~~~ | gpiochip_add cc1: some warnings being treated as errors vim +/mmchip +68 drivers/gpio/gpio-xilinx.c 52 53 /** 54 * struct xgpio_instance - Stores information about GPIO device 55 * @mmchip: OF GPIO chip for memory mapped banks 56 * @mmchip_dual: Pointer to the OF dual gpio chip 57 * @gpio_state: GPIO state shadow register 58 * @gpio_dir: GPIO direction shadow register 59 * @offset: GPIO channel offset 60 * @irq_base: GPIO channel irq base address 61 * @irq_enable: GPIO irq enable/disable bitfield 62 * @no_init: No intitialisation at probe 63 * @gpio_lock: Lock used for synchronization 64 * @irq_domain: irq_domain of the controller 65 * @clk: clock resource for this driver 66 */ 67 struct xgpio_instance { 69 struct of_mm_gpio_chip *mmchip_dual; 70 u32 gpio_state; 71 u32 gpio_dir; 72 u32 offset; 73 int irq_base; 74 u32 irq_enable; 75 bool no_init; 76 spinlock_t gpio_lock; 77 struct irq_domain *irq_domain; 78 struct clk *clk; 79 }; 80 81 /** 82 * xgpio_get - Read the specified signal of the GPIO device. 83 * @gc: Pointer to gpio_chip device structure. 84 * @gpio: GPIO signal number. 85 * 86 * This function reads the specified signal of the GPIO device. 87 * 88 * Return: 89 * 0 if direction of GPIO signals is set as input otherwise it 90 * returns negative error value. 91 */ 92 static int xgpio_get(struct gpio_chip *gc, unsigned int gpio) 93 { 95 struct xgpio_instance *chip = 96 container_of(mm_gc, struct xgpio_instance, mmchip); 97 98 void __iomem *regs = mm_gc->regs + chip->offset; 99 100 return !!(xgpio_readreg(regs + XGPIO_DATA_OFFSET) & BIT(gpio)); 101 } 102 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org