[microchip-ung-linux-upstream:v5.10-webstax 65/88] drivers/uio/uio_vcfw.c:65:38: warning: cast to pointer from integer of different size

[microchip-ung-linux-upstream:v5.10-webstax 65/88] drivers/uio/uio_vcfw.c:65:38: warning: cast to pointer from integer of different size

[kernel test robot]

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tree:   https://github.com/microchip-ung/linux-upstream.git v5.10-webstax
head:   0c603c93d534e71ceee9485bfe1b0b75561efb0e
commit: b3739b5edd2763486c9791e8f25ba40b1f8b3423 [65/88] uio: vcoreiii: Add MSCC vcoreiii UIO drivers
config: arc-allyesconfig (attached as .config)
compiler: arceb-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/microchip-ung/linux-upstream/commit/b3739b5edd2763486c9791e8f25ba40b1f8b3423
        git remote add microchip-ung-linux-upstream https://github.com/microchip-ung/linux-upstream.git
        git fetch --no-tags microchip-ung-linux-upstream v5.10-webstax
        git checkout b3739b5edd2763486c9791e8f25ba40b1f8b3423
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/uio/uio_vcfw.c:26:34: error: array type has incomplete element type 'struct of_device_id'
      26 | static const struct of_device_id vcfw_match[] = {
         |                                  ^~~~~~~~~~
   drivers/uio/uio_vcfw.c:27:4: error: field name not in record or union initializer
      27 |  { .compatible = "mscc,vcfw_uio", },
         |    ^
   drivers/uio/uio_vcfw.c:27:4: note: (near initialization for 'vcfw_match')
   drivers/uio/uio_vcfw.c: In function 'vcfw_probe':
>> drivers/uio/uio_vcfw.c:65:38: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
      65 |         info->mem[0].internal_addr = (void *)regs_vcfwio->start;
         |                                      ^
   drivers/uio/uio_vcfw.c:66:42: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
      66 |         info->mem[0].addr = virt_to_phys((void *)regs_vcfwio->start);
         |                                          ^
   drivers/uio/uio_vcfw.c: At top level:
   drivers/uio/uio_vcfw.c:100:25: error: implicit declaration of function 'of_match_ptr' [-Werror=implicit-function-declaration]
     100 |       .of_match_table = of_match_ptr(vcfw_match),
         |                         ^~~~~~~~~~~~
   drivers/uio/uio_vcfw.c:26:34: warning: 'vcfw_match' defined but not used [-Wunused-variable]
      26 | static const struct of_device_id vcfw_match[] = {
         |                                  ^~~~~~~~~~
   cc1: some warnings being treated as errors

vim +65 drivers/uio/uio_vcfw.c

    43	
    44	static int vcfw_probe(struct platform_device *dev)
    45	{
    46		struct uio_info *info;
    47		struct resource *regs_vcfwio;
    48		int ret = -ENODEV;
    49	
    50		info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
    51		if (!info)
    52			return -ENOMEM;
    53	
    54		regs_vcfwio = platform_get_resource(dev, IORESOURCE_MEM, 0);
    55		if (!regs_vcfwio) {
    56	                dev_info(&dev->dev, "No firmware I/O resource specified, not registering\n");
    57			goto out_free;
    58		}
    59	
    60		if (!regs_vcfwio->start) {
    61			dev_info(&dev->dev, "Null memory resource, not registering\n");
    62			goto out_free;
    63		}
    64	
  > 65	        info->mem[0].internal_addr = (void *)regs_vcfwio->start;
    66	        info->mem[0].addr = virt_to_phys((void *)regs_vcfwio->start);
    67	        info->mem[0].size = resource_size(regs_vcfwio);
    68	        info->mem[0].memtype = UIO_MEM_PHYS;
    69	
    70	        info->name = DRV_NAME;
    71	        info->version = DRV_VERSION;
    72	
    73	        ret = uio_register_device(&dev->dev, info);
    74	        if (ret < 0)
    75	                goto out_free;
    76	
    77		platform_set_drvdata(dev, info);
    78	        dev_info(&dev->dev, "UIO map: %pR\n", regs_vcfwio);
    79		return 0;
    80	
    81	out_free:
    82		vcfw_cleanup(dev, info);
    83		return ret;
    84	}
    85	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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