Hi Manikandan, kernel test robot noticed the following build warnings: [auto build test WARNING on mtd/spi-nor/next] [also build test WARNING on robh/for-next abelloni/rtc-next linus/master v6.14-rc5 next-20250305] [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/Manikandan-Muralidharan/ARM-dts-microchip-sama5d29_curiosity-Add-nvmem-layout-in-QSPI-to-describe-EUI48-MAC-address-region/20250305-180433 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-nor/next patch link: https://lore.kernel.org/r/20250305100134.1171124-1-manikandan.m%40microchip.com patch subject: [PATCH 1/2] mtd: spi-nor: sst: register SFDP region into NVMEM framework to read MAC Address config: m68k-stmark2_defconfig (https://download.01.org/0day-ci/archive/20250306/202503061244.wH2sylN8-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250306/202503061244.wH2sylN8-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/202503061244.wH2sylN8-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/mtd/spi-nor/sst.c:75: warning: Function parameter or struct member 'off' not described in 'sst26vf_sfdp_mac_addr_read' >> drivers/mtd/spi-nor/sst.c:75: warning: Excess function parameter 'offset' description in 'sst26vf_sfdp_mac_addr_read' vim +75 drivers/mtd/spi-nor/sst.c 61 62 /** 63 * sst26vf_sfdp_mac_addr_read() - check if the EUI-48 MAC Address is programmed 64 * and read the data from the prestored SFDP data 65 * 66 * @priv: User context passed to read callbacks. 67 * @offset: Offset within the NVMEM device. 68 * @val: pointer where to fill the ethernet address 69 * @bytes: Length of the NVMEM cell 70 * 71 * Return: 0 on success, -EINVAL otherwise. 72 */ 73 static int sst26vf_sfdp_mac_addr_read(void *priv, unsigned int off, 74 void *val, size_t bytes) > 75 { 76 struct spi_nor *nor = priv; 77 struct sfdp *sfdp = nor->sfdp; 78 loff_t offset = off; 79 size_t sfdp_size; 80 81 /* 82 * Check if the EUI-48 MAC address is programmed in the next six address 83 * locations. 84 * @off is programmed in the DT and stores the start of MAC Address 85 * byte, (off - 1) stores the bit length of the Extended Unique 86 * Identifier 87 */ 88 if (SST26VF_SFDP_EUI48 != *((u8 *)sfdp->dwords + (offset - 1))) 89 return -EINVAL; 90 91 sfdp_size = sfdp->num_dwords * sizeof(*sfdp->dwords); 92 memory_read_from_buffer(val, bytes, &offset, sfdp->dwords, 93 sfdp_size); 94 return 0; 95 } 96 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
