[kbuild-all] [linux-next:master 9398/9662] drivers/clk/clk-hsdk-pll.c:314: undefined reference to `devm_ioremap_resource'

Hi Stephen, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: bdecf38f228bcca73b31ada98b5b7ba1215eb9c9 commit: d2bf65df75c8660cf8b568274337b68fa366173a [9398/9662] Merge remote-tracking branch 'uml/linux-next' config: um-randconfig-r015-20200517 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout d2bf65df75c8660cf8b568274337b68fa366173a # save the attached .config to linux build tree make ARCH=um 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 >>, old ones prefixed by <<): /usr/bin/ld: drivers/clk/clk-hsdk-pll.o: in function `hsdk_pll_clk_probe': /usr/bin/ld: drivers/staging/clocking-wizard/clk-xlnx-clock-wizard.o: in function `clk_wzrd_probe': collect2: error: ld returned 1 exit status vim +314 drivers/clk/clk-hsdk-pll.c daeeb438c052e37 Eugeniy Paltsev 2017-08-25 298 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 299 static int hsdk_pll_clk_probe(struct platform_device *pdev) daeeb438c052e37 Eugeniy Paltsev 2017-08-25 300 { daeeb438c052e37 Eugeniy Paltsev 2017-08-25 301 int ret; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 302 struct resource *mem; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 303 const char *parent_name; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 304 unsigned int num_parents; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 305 struct hsdk_pll_clk *pll_clk; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 306 struct clk_init_data init = { }; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 307 struct device *dev = &pdev->dev; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 308 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 309 pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 310 if (!pll_clk) daeeb438c052e37 Eugeniy Paltsev 2017-08-25 311 return -ENOMEM; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 312 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 313 mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 @314 pll_clk->regs = devm_ioremap_resource(dev, mem); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 315 if (IS_ERR(pll_clk->regs)) daeeb438c052e37 Eugeniy Paltsev 2017-08-25 316 return PTR_ERR(pll_clk->regs); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 317 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 318 init.name = dev->of_node->name; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 319 init.ops = &hsdk_pll_ops; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 320 parent_name = of_clk_get_parent_name(dev->of_node, 0); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 321 init.parent_names = &parent_name; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 322 num_parents = of_clk_get_parent_count(dev->of_node); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 323 if (num_parents == 0 || num_parents > CGU_PLL_SOURCE_MAX) { daeeb438c052e37 Eugeniy Paltsev 2017-08-25 324 dev_err(dev, "wrong clock parents number: %u\n", num_parents); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 325 return -EINVAL; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 326 } daeeb438c052e37 Eugeniy Paltsev 2017-08-25 327 init.num_parents = num_parents; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 328 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 329 pll_clk->hw.init = &init; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 330 pll_clk->dev = dev; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 331 pll_clk->pll_devdata = of_device_get_match_data(dev); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 332 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 333 if (!pll_clk->pll_devdata) { daeeb438c052e37 Eugeniy Paltsev 2017-08-25 334 dev_err(dev, "No OF match data provided\n"); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 335 return -EINVAL; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 336 } daeeb438c052e37 Eugeniy Paltsev 2017-08-25 337 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 338 ret = devm_clk_hw_register(dev, &pll_clk->hw); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 339 if (ret) { daeeb438c052e37 Eugeniy Paltsev 2017-08-25 340 dev_err(dev, "failed to register %s clock\n", init.name); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 341 return ret; daeeb438c052e37 Eugeniy Paltsev 2017-08-25 342 } daeeb438c052e37 Eugeniy Paltsev 2017-08-25 343 daeeb438c052e37 Eugeniy Paltsev 2017-08-25 344 return of_clk_add_hw_provider(dev->of_node, of_clk_hw_simple_get, daeeb438c052e37 Eugeniy Paltsev 2017-08-25 345 &pll_clk->hw); daeeb438c052e37 Eugeniy Paltsev 2017-08-25 346 } daeeb438c052e37 Eugeniy Paltsev 2017-08-25 347 :::::: The code at line 314 was first introduced by commit :::::: daeeb438c052e3763617c636943e07a8f3684e9e ARC: clk: introduce HSDK pll driver :::::: TO: Eugeniy Paltsev <Eugeniy.Paltsev(a)synopsys.com&gt; :::::: CC: Stephen Boyd <sboyd(a)codeaurora.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org