Hi Qin, I love your patch! Perhaps something to improve: [auto build test WARNING on pza/reset/next] [also build test WARNING on clk/clk-next tip/irq/core linus/master v5.18-rc5 next-20220506] [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] url: https://github.com/intel-lab-lkp/linux/commits/Qin-Jian/Add-Sunplus-SP7021-SoC-Support/20220506-113239 base: https://git.pengutronix.de/git/pza/linux reset/next config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220507/202205070356.RRuPT69d-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e004fb787698440a387750db7f8028e7cb14cfc) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/e4d57016693163887d81dfa4c0b0db3e4437cf2b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Qin-Jian/Add-Sunplus-SP7021-SoC-Support/20220506-113239 git checkout e4d57016693163887d81dfa4c0b0db3e4437cf2b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/irqchip/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/irqchip/irq-sp7021-intc.c:170:16: warning: cast to smaller integer type 'int' from 'void *' [-Wvoid-pointer-to-int-cast] int ext_num = (int)irq_desc_get_handler_data(desc); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/irqchip/irq-sp7021-intc.c:218:69: warning: cast to 'void *' from smaller integer type 'int' [-Wint-to-void-pointer-cast] irq_set_chained_handler_and_data(irq, sp_intc_handle_ext_cascaded, (void *)i); ^~~~~~~~~ 2 warnings generated. vim +170 drivers/irqchip/irq-sp7021-intc.c 166 167 static void sp_intc_handle_ext_cascaded(struct irq_desc *desc) 168 { 169 struct irq_chip *chip = irq_desc_get_chip(desc); > 170 int ext_num = (int)irq_desc_get_handler_data(desc); 171 int hwirq; 172 173 chained_irq_enter(chip, desc); 174 175 while ((hwirq = sp_intc_get_ext_irq(ext_num)) >= 0) { 176 if (unlikely(IS_GPIO_INT(hwirq) && TEST_STATE(hwirq, _IS_ACTIVE))) { // WORKAROUND 177 ASSIGN_STATE(hwirq, _IS_ACTIVE, false); 178 sp_intc_assign_bit(hwirq, REG_INTR_POLARITY, TEST_STATE(hwirq, _IS_LOW)); 179 } else { 180 generic_handle_domain_irq(sp_intc.domain, hwirq); 181 } 182 } 183 184 chained_irq_exit(chip, desc); 185 } 186 187 static struct irq_chip sp_intc_chip = { 188 .name = "sp_intc", 189 .irq_ack = sp_intc_ack_irq, 190 .irq_mask = sp_intc_mask_irq, 191 .irq_unmask = sp_intc_unmask_irq, 192 .irq_set_type = sp_intc_set_type, 193 }; 194 195 static int sp_intc_irq_domain_map(struct irq_domain *domain, 196 unsigned int irq, irq_hw_number_t hwirq) 197 { 198 irq_set_chip_and_handler(irq, &sp_intc_chip, handle_level_irq); 199 irq_set_chip_data(irq, &sp_intc_chip); 200 irq_set_noprobe(irq); 201 202 return 0; 203 } 204 205 static const struct irq_domain_ops sp_intc_dm_ops = { 206 .xlate = irq_domain_xlate_twocell, 207 .map = sp_intc_irq_domain_map, 208 }; 209 210 static int sp_intc_irq_map(struct device_node *node, int i) 211 { 212 unsigned int irq; 213 214 irq = irq_of_parse_and_map(node, i); 215 if (!irq) 216 return -ENOENT; 217 > 218 irq_set_chained_handler_and_data(irq, sp_intc_handle_ext_cascaded, (void *)i); 219 220 return 0; 221 } 222 -- 0-DAY CI Kernel Test Service https://01.org/lkp