Hi Mauro, First bad commit (maybe != root cause): tree: git://git.ragnatech.se/linux media-tree head: ceab3ac1e60d70afb4e25147d60817c513f235f7 commit: df823a8208c434eee6e4e9aa016c956d0968e2e2 [141/170] media: cec: rename CEC platform drivers config options config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout df823a8208c434eee6e4e9aa016c956d0968e2e2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/pci/mmap.c: In function 'pci_mmap_resource_range': 57 | vma->vm_page_prot = pgprot_device(vma->vm_page_prot); | ^~~~~~~~~~~~~ | put_device cc1: some warnings being treated as errors vim +57 drivers/pci/mmap.c f719582435afe9 David Woodhouse 2017-04-12 42 f719582435afe9 David Woodhouse 2017-04-12 43 int pci_mmap_resource_range(struct pci_dev *pdev, int bar, f719582435afe9 David Woodhouse 2017-04-12 44 struct vm_area_struct *vma, f719582435afe9 David Woodhouse 2017-04-12 45 enum pci_mmap_state mmap_state, int write_combine) f719582435afe9 David Woodhouse 2017-04-12 46 { f719582435afe9 David Woodhouse 2017-04-12 47 unsigned long size; 2bea36fd1af440 David Woodhouse 2017-04-12 48 int ret; f719582435afe9 David Woodhouse 2017-04-12 49 f719582435afe9 David Woodhouse 2017-04-12 50 size = ((pci_resource_len(pdev, bar) - 1) >> PAGE_SHIFT) + 1; f719582435afe9 David Woodhouse 2017-04-12 51 if (vma->vm_pgoff + vma_pages(vma) > size) f719582435afe9 David Woodhouse 2017-04-12 52 return -EINVAL; f719582435afe9 David Woodhouse 2017-04-12 53 f719582435afe9 David Woodhouse 2017-04-12 54 if (write_combine) f719582435afe9 David Woodhouse 2017-04-12 55 vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); f719582435afe9 David Woodhouse 2017-04-12 56 else f719582435afe9 David Woodhouse 2017-04-12 @57 vma->vm_page_prot = pgprot_device(vma->vm_page_prot); f719582435afe9 David Woodhouse 2017-04-12 58 2bea36fd1af440 David Woodhouse 2017-04-12 59 if (mmap_state == pci_mmap_io) { 2bea36fd1af440 David Woodhouse 2017-04-12 60 ret = pci_iobar_pfn(pdev, bar, vma); 2bea36fd1af440 David Woodhouse 2017-04-12 61 if (ret) 2bea36fd1af440 David Woodhouse 2017-04-12 62 return ret; 2bea36fd1af440 David Woodhouse 2017-04-12 63 } else f719582435afe9 David Woodhouse 2017-04-12 64 vma->vm_pgoff += (pci_resource_start(pdev, bar) >> PAGE_SHIFT); 2bea36fd1af440 David Woodhouse 2017-04-12 65 f719582435afe9 David Woodhouse 2017-04-12 66 vma->vm_ops = &pci_phys_vm_ops; f719582435afe9 David Woodhouse 2017-04-12 67 f719582435afe9 David Woodhouse 2017-04-12 68 return io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, f719582435afe9 David Woodhouse 2017-04-12 69 vma->vm_end - vma->vm_start, f719582435afe9 David Woodhouse 2017-04-12 70 vma->vm_page_prot); f719582435afe9 David Woodhouse 2017-04-12 71 } f719582435afe9 David Woodhouse 2017-04-12 72 :::::: The code at line 57 was first introduced by commit :::::: f719582435afe9c7985206e42d804ea6aa315d33 PCI: Add pci_mmap_resource_range() and use it for ARM64 :::::: TO: David Woodhouse <dwmw(a)amazon.co.uk&gt; :::::: CC: Bjorn Helgaas <bhelgaas(a)google.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org