tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: bf7e05dc3cda0560cd7addb1b5e2ee85ef1b0650 commit: 94fdb9bf360a34742797679406ff310981663ec0 [185/194] omap-iommu: no need to check return value of debugfs_create functions config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 94fdb9bf360a34742797679406ff310981663ec0 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/iommu/omap-iommu-debug.c: In function 'omap_iommu_debugfs_add': >> drivers/iommu/omap-iommu-debug.c:253:45: error: 'attrregs_fops' undeclared (first use in this function); did you mean 'regs_fops'? debugfs_create_file("regs", 0400, d, obj, &attrregs_fops); ^~~~~~~~~~~~~ regs_fops drivers/iommu/omap-iommu-debug.c:253:45: note: each undeclared identifier is reported only once for each function it appears in >> drivers/iommu/omap-iommu-debug.c:254:44: error: 'attrtlb_fops' undeclared (first use in this function); did you mean 'attrregs_fops'? debugfs_create_file("tlb", 0400, d, obj, &attrtlb_fops); ^~~~~~~~~~~~ attrregs_fops >> drivers/iommu/omap-iommu-debug.c:255:50: error: 'attrpagetable_fops' undeclared (first use in this function); did you mean 'pagetable_fops'? debugfs_create_file("pagetable", 0400, d, obj, &attrpagetable_fops); ^~~~~~~~~~~~~~~~~~ pagetable_fops vim +253 drivers/iommu/omap-iommu-debug.c --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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