Hi Sascha, I love your patch! Yet something to improve: [auto build test ERROR on brgl/gpio/for-next] [also build test ERROR on linus/master v6.0-rc3 next-20220830] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Sascha-Hauer/gpio-Add-gpio-latch-driver/20220831-135855 base: https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git gpio/for-next config: s390-randconfig-r021-20220831 (https://download.01.org/0day-ci/archive/20220901/202209010432.NKyeVosI-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/8fab8b8c35fd4faebb003751d6d34fc06093c19e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Sascha-Hauer/gpio-Add-gpio-latch-driver/20220831-135855 git checkout 8fab8b8c35fd4faebb003751d6d34fc06093c19e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpio/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpio/gpio-latch.c: In function 'gpio_latch_probe': >> drivers/gpio/gpio-latch.c:163:18: error: 'struct gpio_chip' has no member named 'of_node'; did you mean 'fwnode'? 163 | priv->gc.of_node = pdev->dev.of_node; | ^~~~~~~ | fwnode vim +163 drivers/gpio/gpio-latch.c 123 124 static int gpio_latch_probe(struct platform_device *pdev) 125 { 126 struct gpio_latch_priv *priv; 127 128 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); 129 if (!priv) 130 return -ENOMEM; 131 132 priv->clk_gpios = devm_gpiod_get_array(&pdev->dev, "clk", GPIOD_OUT_LOW); 133 if (IS_ERR(priv->clk_gpios)) 134 return PTR_ERR(priv->clk_gpios); 135 136 priv->data_gpios = devm_gpiod_get_array(&pdev->dev, "data", GPIOD_OUT_LOW); 137 if (IS_ERR(priv->data_gpios)) 138 return PTR_ERR(priv->data_gpios); 139 140 priv->n_ports = priv->clk_gpios->ndescs; 141 priv->n_pins = priv->data_gpios->ndescs; 142 143 priv->shadow = devm_kcalloc(&pdev->dev, priv->n_ports, sizeof(*priv->shadow), 144 GFP_KERNEL); 145 if (!priv->shadow) 146 return -ENOMEM; 147 148 if (gpio_latch_can_sleep(priv)) { 149 priv->gc.can_sleep = true; 150 priv->gc.set = gpio_latch_set_can_sleep; 151 mutex_init(&priv->mutex); 152 } else { 153 priv->gc.can_sleep = false; 154 priv->gc.set = gpio_latch_set; 155 spin_lock_init(&priv->spinlock); 156 } 157 158 priv->gc.get_direction = gpio_latch_get_direction; 159 priv->gc.ngpio = priv->n_ports * priv->n_pins; 160 priv->gc.owner = THIS_MODULE; 161 priv->gc.base = -1; 162 priv->gc.parent = &pdev->dev; > 163 priv->gc.of_node = pdev->dev.of_node; 164 165 platform_set_drvdata(pdev, priv); 166 167 return devm_gpiochip_add_data(&pdev->dev, &priv->gc, priv); 168 } 169 -- 0-DAY CI Kernel Test Service https://01.org/lkp