Hi Parker, kernel test robot noticed the following build warnings: [auto build test WARNING on 5ed771f174726ae879945d4f148a9005ac909cb7] url: https://github.com/intel-lab-lkp/linux/commits/Parker-Newman/misc-eeprom-eeprom_93cx6-Add-quirk-for-extra-read-clock-cycle/20240913-230345 base: 5ed771f174726ae879945d4f148a9005ac909cb7 patch link: https://lore.kernel.org/r/78dead78311ea619e0be99cc32ee0df1610a480d.1726237379.git.pnewman%40connecttech.com patch subject: [PATCH v1 4/6] serial: 8250_exar: Replace custom EEPROM read with eeprom_93cx6 config: x86_64-randconfig-122-20240914 (https://download.01.org/0day-ci/archive/20240914/202409142138.yCOHBlL1-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409142138.yCOHBlL1-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/202409142138.yCOHBlL1-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/tty/serial/8250/8250_exar.c:739:13: sparse: sparse: restricted __le32 degrades to integer vim +739 drivers/tty/serial/8250/8250_exar.c 721 722 /** 723 * cti_read_osc_freq() - Read the UART oscillator frequency from EEPROM 724 * @priv: Device's private structure 725 * @eeprom_offset: Offset where the oscillator frequency is stored 726 * 727 * CTI XR17x15X and XR17V25X cards have the serial boards oscillator frequency 728 * stored in the EEPROM. FPGA and XR17V35X based cards use the PCI/PCIe clock. 729 * 730 * Return: frequency on success, negative error code on failure 731 */ 732 static int cti_read_osc_freq(struct exar8250 *priv, u8 eeprom_offset) 733 { 734 __le32 osc_freq_le; 735 736 eeprom_93cx6_multiread(&priv->eeprom, eeprom_offset, 737 (__le16 *)&osc_freq_le, 2); 738 > 739 if (osc_freq_le == 0xFFFFFFFF) 740 return -EIO; 741 742 return le32_to_cpu(osc_freq_le); 743 } 744 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki