Hi Srinivas, FYI, the error/warning still remains. tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: d128303e4c53bcf7775c46771bf64c71596f3303 commit: 256f37f6020654ff3d8044852f75542882301a26 [1116/1762] gpio: xilinx: Add irq support to the driver config: x86_64-randconfig-r016-20210615 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401) 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 x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://github.com/Xilinx/linux-xlnx/commit/256f37f6020654ff3d8044852f755... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout 256f37f6020654ff3d8044852f75542882301a26 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): ~XGPIO_GIER_IE); ^~~~~~~~~~~~~~~ drivers/gpio/gpio-xilinx.c:39:45: note: expanded from macro 'xgpio_writereg' # define xgpio_writereg(offset, val) writel(val, offset) ~~~~~~ ^~~ drivers/gpio/gpio-xilinx.c:472:14: warning: variable 'status' set but not used [-Wunused-but-set-variable] u32 offset, status, channel = 1; ^ 2 warnings generated. vim +377 drivers/gpio/gpio-xilinx.c 342 343 /** 344 * xgpiops_irq_mask - Write the specified signal of the GPIO device. 345 * @irq_data: per irq and chip data passed down to chip functions 346 */ 347 static void xgpio_irq_mask(struct irq_data *irq_data) 348 { 349 unsigned long flags; 350 struct xgpio_instance *chip = irq_data_get_irq_chip_data(irq_data); 351 u32 offset = irq_data->irq - chip->irq_base; 352 u32 temp; 353 s32 val; 354 int index = xgpio_index(chip, 0); 355 356 pr_debug("%s: Disable %d irq, irq_enable_mask 0x%x\n", 357 __func__, offset, chip->irq_enable); 358 359 spin_lock_irqsave(&chip->gpio_lock[index], flags); 360 361 chip->irq_enable &= ~BIT(offset); 362 363 if (!chip->irq_enable) { 364 /* Enable per channel interrupt */ 365 temp = xgpio_readreg(chip->regs + XGPIO_IPIER_OFFSET); 366 val = offset - chip->gpio_width[0] + 1; 367 if (val > 0) 368 temp &= 1; 369 else 370 temp &= 2; 371 xgpio_writereg(chip->regs + XGPIO_IPIER_OFFSET, temp); 372 373 /* Disable global interrupt if channel interrupts are unused */ 374 temp = xgpio_readreg(chip->regs + XGPIO_IPIER_OFFSET); 375 if (!temp) 376 xgpio_writereg(chip->regs + XGPIO_GIER_OFFSET, 378 } 379 spin_unlock_irqrestore(&chip->gpio_lock[index], flags); 380 } 381 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org