Messages in this thread | | | Date | Sun, 21 Jun 2020 02:38:03 +0800 | From | kernel test robot <> | Subject | drivers/clk/tegra/clk-tegra210-emc.c:264:13: warning: no previous prototype for function 'tegra210_clk_register_emc' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4333a9b0b67bb4e8bcd91bdd80da80b0ec151162 commit: 0ac65fc946d3a15ff30cea28b38a00b9ba98217b clk: tegra: Implement Tegra210 EMC clock date: 6 weeks ago config: arm64-randconfig-r002-20200619 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project f5bbe390d23d7da0ffb110cdb24b583c2dc87eba) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git checkout 0ac65fc946d3a15ff30cea28b38a00b9ba98217b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
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 >>, old ones prefixed by <<):
>> drivers/clk/tegra/clk-tegra210-emc.c:264:13: warning: no previous prototype for function 'tegra210_clk_register_emc' [-Wmissing-prototypes] struct clk *tegra210_clk_register_emc(struct device_node *np, ^ drivers/clk/tegra/clk-tegra210-emc.c:264:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct clk *tegra210_clk_register_emc(struct device_node *np, ^ static 1 warning generated.
vim +/tegra210_clk_register_emc +264 drivers/clk/tegra/clk-tegra210-emc.c
263 > 264 struct clk *tegra210_clk_register_emc(struct device_node *np, 265 void __iomem *regs) 266 { 267 struct tegra210_clk_emc *emc; 268 struct clk_init_data init; 269 struct clk *clk; 270 271 emc = kzalloc(sizeof(*emc), GFP_KERNEL); 272 if (!emc) 273 return ERR_PTR(-ENOMEM); 274 275 emc->regs = regs; 276 277 init.name = "emc"; 278 init.ops = &tegra210_clk_emc_ops; 279 init.flags = CLK_IS_CRITICAL | CLK_GET_RATE_NOCACHE; 280 init.parent_names = tegra210_clk_emc_parents; 281 init.num_parents = ARRAY_SIZE(tegra210_clk_emc_parents); 282 emc->hw.init = &init; 283 284 clk = clk_register(NULL, &emc->hw); 285 if (IS_ERR(clk)) { 286 kfree(emc); 287 return clk; 288 } 289 290 return clk; 291 } 292
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