[linux-next:master 11620/12912] drivers/mmc/host/sdhci-msm.c:1881:6: warning: no previous prototype for 'sdhci_msm_dump_vendor_regs'

[linux-next:master 11620/12912] drivers/mmc/host/sdhci-msm.c:1881:6: warning: no previous prototype for 'sdhci_msm_dump_vendor_regs'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b0523c7b1c9d0edcd6c0fe6d2cb558a9ad5c60a8
commit: 98b71a3e1fbb0528387be5642c3650c5c9b875e4 [11620/12912] mmc: sdhci-msm: dump vendor specific registers during error
config: arm-multi_v7_defconfig (attached as .config)
compiler: arm-linux-gnueabi-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
        git checkout 98b71a3e1fbb0528387be5642c3650c5c9b875e4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/mmc/host/sdhci-msm.c:1881:6: warning: no previous prototype for 'sdhci_msm_dump_vendor_regs' [-Wmissing-prototypes]
1881 | void sdhci_msm_dump_vendor_regs(struct sdhci_host *host)
|      ^~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/sdhci_msm_dump_vendor_regs +1881 drivers/mmc/host/sdhci-msm.c

  1876	
  1877	#define DRIVER_NAME "sdhci_msm"
  1878	#define SDHCI_MSM_DUMP(f, x...) \
  1879		pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
  1880	
> 1881	void sdhci_msm_dump_vendor_regs(struct sdhci_host *host)
  1882	{
  1883		struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
  1884		struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
  1885		const struct sdhci_msm_offset *msm_offset = msm_host->offset;
  1886	
  1887		SDHCI_MSM_DUMP("----------- VENDOR REGISTER DUMP -----------\n");
  1888	
  1889		SDHCI_MSM_DUMP(
  1890				"DLL sts: 0x%08x | DLL cfg:  0x%08x | DLL cfg2: 0x%08x\n",
  1891			readl_relaxed(host->ioaddr + msm_offset->core_dll_status),
  1892			readl_relaxed(host->ioaddr + msm_offset->core_dll_config),
  1893			readl_relaxed(host->ioaddr + msm_offset->core_dll_config_2));
  1894		SDHCI_MSM_DUMP(
  1895				"DLL cfg3: 0x%08x | DLL usr ctl:  0x%08x | DDR cfg: 0x%08x\n",
  1896			readl_relaxed(host->ioaddr + msm_offset->core_dll_config_3),
  1897			readl_relaxed(host->ioaddr + msm_offset->core_dll_usr_ctl),
  1898			readl_relaxed(host->ioaddr + msm_offset->core_ddr_config));
  1899		SDHCI_MSM_DUMP(
  1900				"Vndr func: 0x%08x | Vndr func2 : 0x%08x Vndr func3: 0x%08x\n",
  1901			readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec),
  1902			readl_relaxed(host->ioaddr +
  1903				msm_offset->core_vendor_spec_func2),
  1904			readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec3));
  1905	}
  1906	

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

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