Hi Ming, kernel test robot noticed the following build warnings: [auto build test WARNING on lee-mfd/for-mfd-next] [also build test WARNING on brgl/gpio/for-next andi-shyti/i2c/i2c-host mkl-can-next/testing groeck-staging/hwmon-next jic23-iio/togreg abelloni/rtc-next linus/master lee-mfd/for-mfd-fixes v6.12-rc4 next-20241025] [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/Ming-Yu/mfd-Add-core-driver-for-Nuvoton-NCT6694/20241024-170528 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next patch link: https://lore.kernel.org/r/20241024085922.133071-6-tmyu0%40nuvoton.com patch subject: [PATCH v1 5/9] watchdog: Add Nuvoton NCT6694 WDT support config: arc-randconfig-r132-20241026 (https://download.01.org/0day-ci/archive/20241026/202410261752.lUVTJO2Y-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241026/202410261752.lUVTJO2Y-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/202410261752.lUVTJO2Y-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/watchdog/nct6694_wdt.c:133:42: sparse: sparse: cast to restricted __le32 >> drivers/watchdog/nct6694_wdt.c:133:42: sparse: sparse: cast to restricted __le32 >> drivers/watchdog/nct6694_wdt.c:133:42: sparse: sparse: cast to restricted __le32 >> drivers/watchdog/nct6694_wdt.c:133:42: sparse: sparse: cast to restricted __le32 >> drivers/watchdog/nct6694_wdt.c:133:42: sparse: sparse: cast to restricted __le32 >> drivers/watchdog/nct6694_wdt.c:133:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:134:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:134:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:134:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:134:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:134:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:134:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:166:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:166:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:166:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:166:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:166:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:166:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:167:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:167:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:167:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:167:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:167:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:167:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:220:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:220:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:220:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:220:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:220:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:220:42: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:221:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:221:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:221:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:221:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:221:45: sparse: sparse: cast to restricted __le32 drivers/watchdog/nct6694_wdt.c:221:45: sparse: sparse: cast to restricted __le32 vim +133 drivers/watchdog/nct6694_wdt.c 115 116 static int nct6694_wdt_set_timeout(struct watchdog_device *wdev, 117 unsigned int timeout) 118 { 119 struct nct6694_wdt_data *data = watchdog_get_drvdata(wdev); 120 struct nct6694 *nct6694 = data->nct6694; 121 unsigned int timeout_fmt, pretimeout_fmt; 122 unsigned char buf[REQUEST_WDT_CMD0_LEN]; 123 int ret; 124 125 if (timeout < wdev->pretimeout) { 126 pr_err("%s: 'timeout' must be greater than 'pre timeout'!\n", 127 __func__); 128 return -EINVAL; 129 } 130 131 timeout_fmt = timeout * 1000 | (WDT_TIMEOUT_ACT << 24); 132 pretimeout_fmt = wdev->pretimeout * 1000 | (WDT_PRETIMEOUT_ACT << 24); > 133 set_buf32(&buf[WDT_TIMEOUT_IDX], le32_to_cpu(timeout_fmt)); 134 set_buf32(&buf[WDT_PRETIMEOUT_IDX], le32_to_cpu(pretimeout_fmt)); 135 136 ret = nct6694_write_msg(nct6694, REQUEST_WDT_MOD, 137 REQUEST_WDT_CMD0_OFFSET(data->wdev_idx), 138 REQUEST_WDT_CMD0_LEN, buf); 139 if (ret) { 140 pr_err("%s: Don't write the setup command in Start stage!\n", 141 __func__); 142 return ret; 143 } 144 145 wdev->timeout = timeout; 146 147 return 0; 148 } 149 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki