Hi Xianwei, kernel test robot noticed the following build warnings: [auto build test WARNING on 953913df9c3ab6f496c6facd5aa7fc9f2f847ac2] url: https://github.com/intel-lab-lkp/linux/commits/Xianwei-Zhao-via-B4-Relay/dt-bindings-interrupt-controller-Add-support-for-Amlogic-A4-and-A5-SoCs/20250226-135013 base: 953913df9c3ab6f496c6facd5aa7fc9f2f847ac2 patch link: https://lore.kernel.org/r/20250226-irqchip-gpio-a4-a5-v2-2-c55b1050cb55%40amlogic.com patch subject: [PATCH v2 2/4] irqchip: Add support for Amlogic A4 and A5 SoCs config: arc-randconfig-001-20250227 (https://download.01.org/0day-ci/archive/20250227/202502271527.emvNC71m-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250227/202502271527.emvNC71m-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/202502271527.emvNC71m-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/irqchip/irq-meson-gpio.c:58:12: warning: 'meson_ao_gpio_irq_set_type' declared 'static' but never defined [-Wunused-function] 58 | static int meson_ao_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +58 drivers/irqchip/irq-meson-gpio.c 45 46 struct meson_gpio_irq_controller; 47 static void meson8_gpio_irq_sel_pin(struct meson_gpio_irq_controller *ctl, 48 unsigned int channel, unsigned long hwirq); 49 static void meson_gpio_irq_init_dummy(struct meson_gpio_irq_controller *ctl); 50 static void meson_a1_gpio_irq_sel_pin(struct meson_gpio_irq_controller *ctl, 51 unsigned int channel, 52 unsigned long hwirq); 53 static void meson_a1_gpio_irq_init(struct meson_gpio_irq_controller *ctl); 54 static int meson8_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl, 55 unsigned int type, u32 *channel_hwirq); 56 static int meson_s4_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl, 57 unsigned int type, u32 *channel_hwirq); > 58 static int meson_ao_gpio_irq_set_type(struct meson_gpio_irq_controller *ctl, 59 unsigned int type, u32 *channel_hwirq); 60 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
