tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: d128303e4c53bcf7775c46771bf64c71596f3303 commit: 31ff947476b863c4f59eb26baa654631e7b05a7b [458/1762] v4l: xilinx-multi-scaler: Remove volatile config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/Xilinx/linux-xlnx/commit/31ff947476b863c4f59eb26baa654... git remote add xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xlnx xlnx_rebase_v5.4 git checkout 31ff947476b863c4f59eb26baa654631e7b05a7b # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/media/platform/xilinx/xilinx-multi-scaler.c: In function 'xm2msc_readreg': 361 | return ioread32(addr); | ^~~~ In file included from arch/x86/include/asm/io.h:229, from arch/x86/include/asm/realmode.h:15, from arch/x86/include/asm/acpi.h:16, from arch/x86/include/asm/fixmap.h:29, from arch/x86/include/asm/apic.h:11, from arch/x86/include/asm/smp.h:13, from include/linux/smp.h:68, from include/linux/percpu.h:7, from include/linux/arch_topology.h:9, from include/linux/topology.h:30, from include/linux/gfp.h:9, from include/linux/xarray.h:14, from include/linux/radix-tree.h:18, from include/linux/fs.h:15, from drivers/media/platform/xilinx/xilinx-multi-scaler.c:16: include/asm-generic/iomap.h:32:30: note: expected 'void *' but argument is of type 'const void *' 32 | extern unsigned int ioread32(void __iomem *); | ^~~~~~~~~~~~~~ In file included from include/linux/printk.h:332, from include/linux/kernel.h:15, from include/linux/delay.h:22, from drivers/media/platform/xilinx/xilinx-multi-scaler.c:15: drivers/media/platform/xilinx/xilinx-multi-scaler.c: In function 'xm2msc_parse_of': drivers/media/platform/xilinx/xilinx-multi-scaler.c:1782:15: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=] 1782 | dev_dbg(dev, "IO Mem 0x%llx mapped at %p\n", res->start, xm2msc->regs); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:125:15: note: in definition of macro '__dynamic_func_call' 125 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call' 157 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ include/linux/device.h:1751:2: note: in expansion of macro 'dynamic_dev_dbg' 1751 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ include/linux/device.h:1751:23: note: in expansion of macro 'dev_fmt' 1751 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/media/platform/xilinx/xilinx-multi-scaler.c:1782:2: note: in expansion of macro 'dev_dbg' 1782 | dev_dbg(dev, "IO Mem 0x%llx mapped at %p\n", res->start, xm2msc->regs); | ^~~~~~~ drivers/media/platform/xilinx/xilinx-multi-scaler.c:1782:28: note: format string is defined here 1782 | dev_dbg(dev, "IO Mem 0x%llx mapped at %p\n", res->start, xm2msc->regs); | ~~~^ | | | long long unsigned int | %x vim +361 drivers/media/platform/xilinx/xilinx-multi-scaler.c f5d1fac4b3ef01 Suresh Gupta 2018-09-17 358 31ff947476b863 Suresh Gupta 2018-10-12 359 static inline u32 xm2msc_readreg(const void __iomem *addr) f5d1fac4b3ef01 Suresh Gupta 2018-09-17 360 { f5d1fac4b3ef01 Suresh Gupta 2018-09-17 @361 return ioread32(addr); f5d1fac4b3ef01 Suresh Gupta 2018-09-17 362 } f5d1fac4b3ef01 Suresh Gupta 2018-09-17 363 :::::: The code at line 361 was first introduced by commit :::::: f5d1fac4b3ef01a4f9a489e9be9a65964a5baf57 platform: xilinx: Add mem to mem Multi-Scaler driver (XM2MSC) :::::: TO: Suresh Gupta <suresh.gupta(a)xilinx.com&gt; :::::: CC: Michal Simek <michal.simek(a)xilinx.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org