drivers/reset/reset-hsdk-v1.c:101: undefined reference to `devm_ioremap_resource'

[kbuild test robot]

Hi Eugeniy,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   9cd6681cb1169e815c41af0265165dd1b872f228
commit: e0be864f14240cb1bd92247a672796239d6ef2fa ARC: reset: introduce HSDKv1 
reset driver
date:   2 months ago
config: um-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout e0be864f14240cb1bd92247a672796239d6ef2fa
        # save the attached .config to linux build tree
        make ARCH=um 

All errors (new ones prefixed by >>):

   arch/um/drivers/vde.o: In function `vde_open_real':
   (.text+0xfb1): warning: Using 'getgrnam' in statically linked applications 
requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/vde.o: In function `vde_open_real':
   (.text+0xdfc): warning: Using 'getpwuid' in statically linked applications 
requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/vde.o: In function `vde_open_real':
   (.text+0x1115): warning: Using 'getaddrinfo' in statically linked 
applications requires at runtime the shared libraries from the glibc version 
used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametoaddr':
   (.text+0xe475): warning: Using 'gethostbyname' in statically linked 
applications requires at runtime the shared libraries from the glibc version 
used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametonetaddr':
   (.text+0xe515): warning: Using 'getnetbyname' in statically linked 
applications requires at runtime the shared libraries from the glibc version 
used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametoproto':
   (.text+0xe735): warning: Using 'getprotobyname' in statically linked 
applications requires at runtime the shared libraries from the glibc version 
used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametoport':
   (.text+0xe567): warning: Using 'getservbyname' in statically linked 
applications requires at runtime the shared libraries from the glibc version 
used for linking
   drivers/reset/reset-hsdk-v1.o: In function `hsdkv1_reset_probe':
>> drivers/reset/reset-hsdk-v1.c:101: undefined reference to 
>> `devm_ioremap_resource'
   drivers/reset/reset-hsdk-v1.c:106: undefined reference to 
`devm_ioremap_resource'
   collect2: error: ld returned 1 exit status

vim +101 drivers/reset/reset-hsdk-v1.c

    90  
    91  static int hsdkv1_reset_probe(struct platform_device *pdev)
    92  {
    93          struct hsdkv1_rst *rst;
    94          struct resource *mem;
    95  
    96          rst = devm_kzalloc(&pdev->dev, sizeof(*rst), GFP_KERNEL);
    97          if (!rst)
    98                  return -ENOMEM;
    99  
   100          mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 > 101          rst->regs_ctl = devm_ioremap_resource(&pdev->dev, mem);
   102          if (IS_ERR(rst->regs_ctl))
   103                  return PTR_ERR(rst->regs_ctl);
   104  
   105          mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
   106          rst->regs_rst = devm_ioremap_resource(&pdev->dev, mem);
   107          if (IS_ERR(rst->regs_rst))
   108                  return PTR_ERR(rst->regs_rst);
   109  
   110          spin_lock_init(&rst->lock);
   111  
   112          rst->rcdev.owner = THIS_MODULE;
   113          rst->rcdev.ops = &hsdkv1_reset_ops;
   114          rst->rcdev.of_node = pdev->dev.of_node;
   115          rst->rcdev.nr_resets = HSDK_MAX_RESETS;
   116          rst->rcdev.of_reset_n_cells = 1;
   117  
   118          return reset_controller_register(&rst->rcdev);
   119  }
   120  

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