tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 8551213150db5f8eebd27273dae93f6fe258d63a commit: 8248d42b7c5f4338a54f26d8efebec8614b43466 [2658/2658] fbdev: add ls2k500sfb driver for ls2k500 bmc. config: loongarch-randconfig-2005-20250806 (https://download.01.org/0day-ci/archive/20250806/202508061235.qxpfqpxl-lkp@i...) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project faa4c4c2dc804c31845d8f036345fac00e016f2d) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250806/202508061235.qxpfqpxl-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202508061235.qxpfqpxl-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/video/fbdev/ls2k500sfb.c:12: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/loongarch/include/asm/elf.h:13: In file included from arch/loongarch/include/asm/vdso.h:10: In file included from include/linux/mm.h:2174: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~

...

drivers/video/fbdev/ls2k500sfb.c:254:13: warning: no previous prototype for function 'ls2k500sfb_interrupt' [-Wmissing-prototypes] 254 | irqreturn_t ls2k500sfb_interrupt(int irq, void *arg) | ^ drivers/video/fbdev/ls2k500sfb.c:254:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 254 | irqreturn_t ls2k500sfb_interrupt(int irq, void *arg) | ^ | static 5 warnings generated.

vim +/ls2k500sfb_interrupt +254 drivers/video/fbdev/ls2k500sfb.c 253

254 irqreturn_t ls2k500sfb_interrupt(int irq, void *arg) 255 { 256 struct ls2k500sfb_struct *priv = arg; 257 struct pci_dev *pdev = priv->dev; 258 259 if (irq == pdev->irq) 260 pr_info("ls2k500sfb pcie interrupt\n"); 261 else 262 pr_info("ls2k500sfb gpio interrupt\n"); 263 if (system_state != SYSTEM_RUNNING) 264 return IRQ_HANDLED; 265 266 if (!priv->running) { 267 if (!resetdelay || time_after(jiffies, priv->reset_time + resetdelay * HZ)) { 268 priv->running = 1; 269 queue_work(priv->wq, &priv->work); 270 } 271 priv->reset_time = jiffies; 272 } 273 return IRQ_HANDLED; 274 } 275

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