Hi Md, kernel test robot noticed the following build warnings: [auto build test WARNING on mtd/nand/next] [also build test WARNING on broonie-spi/for-next robh/for-next linus/master v6.10 next-20240724] [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/Md-Sadre-Alam/spi-dt-bindings-Introduce-qcom-spi-qpic-snand/20240724-195819 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next patch link: https://lore.kernel.org/r/20240724114225.2176448-3-quic_mdalam%40quicinc.com patch subject: [PATCH v7 2/8] mtd: rawnand: qcom: cleanup qcom_nandc driver config: i386-buildonly-randconfig-004-20240725 (https://download.01.org/0day-ci/archive/20240725/202407250425.0AJoHyHa-lkp@xxxxxxxxx/config) compiler: gcc-8 (Ubuntu 8.4.0-3ubuntu2) 8.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240725/202407250425.0AJoHyHa-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/202407250425.0AJoHyHa-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/mtd/nand/raw/qcom_nandc.c:682: warning: Function parameter or struct member 'chip' not described in 'nandc_set_read_loc_first' >> drivers/mtd/nand/raw/qcom_nandc.c:710: warning: Function parameter or struct member 'chip' not described in 'nandc_set_read_loc_last' vim +682 drivers/mtd/nand/raw/qcom_nandc.c 669 670 /** 671 * nandc_set_read_loc_first() - to set read location first register 672 * @reg_base: location register base 673 * @cw_offset: code word offset 674 * @read_size: code word read length 675 * @is_last_read_loc: is this the last read location 676 * 677 * This function will set location register value 678 */ 679 static void nandc_set_read_loc_first(struct nand_chip *chip, 680 int reg_base, int cw_offset, 681 int read_size, int is_last_read_loc) > 682 { 683 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); 684 int val = (((cw_offset) << READ_LOCATION_OFFSET) | 685 ((read_size) << READ_LOCATION_SIZE) | 686 ((is_last_read_loc) << READ_LOCATION_LAST)); 687 688 if (reg_base == NAND_READ_LOCATION_0) 689 nandc->regs->read_location0 = val; 690 else if (reg_base == NAND_READ_LOCATION_1) 691 nandc->regs->read_location1 = val; 692 else if (reg_base == NAND_READ_LOCATION_2) 693 nandc->regs->read_location2 = val; 694 else if (reg_base == NAND_READ_LOCATION_3) 695 nandc->regs->read_location3 = val; 696 } 697 698 /** 699 * nandc_set_read_loc_last - to set read location last register 700 * @reg_base: location register base 701 * @cw_offset: code word offset 702 * @read_size: code word read length 703 * @is_last_read_loc: is this the last read location 704 * 705 * This function will set location last register value 706 */ 707 static void nandc_set_read_loc_last(struct nand_chip *chip, 708 int reg_base, int cw_offset, 709 int read_size, int is_last_read_loc) > 710 { 711 struct qcom_nand_controller *nandc = get_qcom_nand_controller(chip); 712 713 int val = (((cw_offset) << READ_LOCATION_OFFSET) | 714 ((read_size) << READ_LOCATION_SIZE) | 715 ((is_last_read_loc) << READ_LOCATION_LAST)); 716 717 if (reg_base == NAND_READ_LOCATION_LAST_CW_0) 718 nandc->regs->read_location_last0 = val; 719 else if (reg_base == NAND_READ_LOCATION_LAST_CW_1) 720 nandc->regs->read_location_last1 = val; 721 else if (reg_base == NAND_READ_LOCATION_LAST_CW_2) 722 nandc->regs->read_location_last2 = val; 723 else if (reg_base == NAND_READ_LOCATION_LAST_CW_3) 724 nandc->regs->read_location_last3 = val; 725 } 726 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki