[ljones-mfd:for-mfd-next 56/58] drivers/mfd/mfd-core.c:147:17: error: implicit declaration of function 'of_read_number'

[kernel test robot <lkp@intel.com>]

[-- Attachment #1: Type: text/plain, Size: 3109 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
head:   ae387961ae94021c2322c59e069e7476fb7702f7
commit: 70d48975c152997bea1c715de3382ef854c288ed [56/58] mfd: core: Make a best effort attempt to match devices with the correct of_nodes
config: arm-randconfig-r025-20200716 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ed6b578040a85977026c93bf4188f996148f3218)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        git checkout 70d48975c152997bea1c715de3382ef854c288ed
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

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

All errors (new ones prefixed by >>):

>> drivers/mfd/mfd-core.c:147:17: error: implicit declaration of function 'of_read_number' [-Werror,-Wimplicit-function-declaration]
           of_node_addr = of_read_number(reg, of_n_addr_cells(np));
                          ^
   1 error generated.

vim +/of_read_number +147 drivers/mfd/mfd-core.c

   119	
   120	static int mfd_match_of_node_to_dev(struct platform_device *pdev,
   121					    struct device_node *np,
   122					    const struct mfd_cell *cell)
   123	{
   124		struct mfd_of_node_entry *of_entry;
   125		const __be32 *reg;
   126		u64 of_node_addr;
   127	
   128		/* Skip devices 'disabled' by Device Tree */
   129		if (!of_device_is_available(np))
   130			return -ENODEV;
   131	
   132		/* Skip if OF node has previously been allocated to a device */
   133		list_for_each_entry(of_entry, &mfd_of_node_list, list)
   134			if (of_entry->np == np)
   135				return -EAGAIN;
   136	
   137		if (!cell->use_of_reg)
   138			/* No of_reg defined - allocate first free compatible match */
   139			goto allocate_of_node;
   140	
   141		/* We only care about each node's first defined address */
   142		reg = of_get_address(np, 0, NULL, NULL);
   143		if (!reg)
   144			/* OF node does not contatin a 'reg' property to match to */
   145			return -EAGAIN;
   146	
 > 147		of_node_addr = of_read_number(reg, of_n_addr_cells(np));
   148	
   149		if (cell->of_reg != of_node_addr)
   150			/* No match */
   151			return -EAGAIN;
   152	
   153	allocate_of_node:
   154		of_entry = kzalloc(sizeof(*of_entry), GFP_KERNEL);
   155		if (!of_entry)
   156			return -ENOMEM;
   157	
   158		of_entry->dev = &pdev->dev;
   159		of_entry->np = np;
   160		list_add_tail(&of_entry->list, &mfd_of_node_list);
   161	
   162		pdev->dev.of_node = np;
   163		pdev->dev.fwnode = &np->fwnode;
   164	
   165		return 0;
   166	}
   167	

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

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 30776 bytes --]