Hi Sachin, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on ulf-hansson-mmc-mirror/next v6.13-rc1 next-20241128] [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/Sachin-Gupta/mmc-sdhci-msm-Command-Queue-CQ-Register-changes-for-v5-0/20241202-170044 base: linus/master patch link: https://lore.kernel.org/r/20241202085631.13468-1-quic_sachgupt%40quicinc.com patch subject: [PATCH] mmc: sdhci-msm: Command Queue (CQ) Register changes for v5.0 config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241202/202412022356.OfhUSoyq-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 592c0fe55f6d9a811028b5f3507be91458ab2713) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241202/202412022356.OfhUSoyq-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/202412022356.OfhUSoyq-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/mmc/host/sdhci-msm.c:8: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2223: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/mmc/host/sdhci-msm.c:2289:17: warning: variable 'cq_host' is uninitialized when used here [-Wuninitialized] 2289 | readl_relaxed(cq_host->mmio + CQHCI_VENDOR_CFG + offset)); | ^~~~~~~ drivers/mmc/host/sdhci-msm.c:2257:61: note: expanded from macro 'CQHCI_DUMP' 2257 | pr_err("%s: " DRV_NAME ": " f, mmc_hostname(host->mmc), ## x) | ^ include/linux/printk.h:544:33: note: expanded from macro 'pr_err' 544 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:501:60: note: expanded from macro 'printk' 501 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) | ^~~~~~~~~~~ include/linux/printk.h:473:19: note: expanded from macro 'printk_index_wrap' 473 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ drivers/mmc/host/sdhci-msm.c:2264:28: note: initialize the variable 'cq_host' to silence this warning 2264 | struct cqhci_host *cq_host; | ^ | = NULL 5 warnings generated. vim +/cq_host +2289 drivers/mmc/host/sdhci-msm.c 2250 2251 #define DRIVER_NAME "sdhci_msm" 2252 #define SDHCI_MSM_DUMP(f, x...) \ 2253 pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x) 2254 2255 #define DRV_NAME "cqhci" 2256 #define CQHCI_DUMP(f, x...) \ 2257 pr_err("%s: " DRV_NAME ": " f, mmc_hostname(host->mmc), ## x) 2258 2259 static void sdhci_msm_dump_vendor_regs(struct sdhci_host *host) 2260 { 2261 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); 2262 struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); 2263 const struct sdhci_msm_offset *msm_offset = msm_host->offset; 2264 struct cqhci_host *cq_host; 2265 int offset = 0; 2266 2267 if (msm_host->cqhci_offset_changed) 2268 offset = CQE_V5_VENDOR_CFG; 2269 2270 SDHCI_MSM_DUMP("----------- VENDOR REGISTER DUMP -----------\n"); 2271 2272 SDHCI_MSM_DUMP( 2273 "DLL sts: 0x%08x | DLL cfg: 0x%08x | DLL cfg2: 0x%08x\n", 2274 readl_relaxed(host->ioaddr + msm_offset->core_dll_status), 2275 readl_relaxed(host->ioaddr + msm_offset->core_dll_config), 2276 readl_relaxed(host->ioaddr + msm_offset->core_dll_config_2)); 2277 SDHCI_MSM_DUMP( 2278 "DLL cfg3: 0x%08x | DLL usr ctl: 0x%08x | DDR cfg: 0x%08x\n", 2279 readl_relaxed(host->ioaddr + msm_offset->core_dll_config_3), 2280 readl_relaxed(host->ioaddr + msm_offset->core_dll_usr_ctl), 2281 readl_relaxed(host->ioaddr + msm_offset->core_ddr_config)); 2282 SDHCI_MSM_DUMP( 2283 "Vndr func: 0x%08x | Vndr func2 : 0x%08x Vndr func3: 0x%08x\n", 2284 readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec), 2285 readl_relaxed(host->ioaddr + 2286 msm_offset->core_vendor_spec_func2), 2287 readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec3)); 2288 CQHCI_DUMP("Vendor cfg 0x%08x\n", > 2289 readl_relaxed(cq_host->mmio + CQHCI_VENDOR_CFG + offset)); 2290 } 2291 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
