Messages in this thread | | | Date | Wed, 17 Nov 2021 11:56:28 +0800 | From | kernel test robot <> | Subject | [krzk-mem-ctrl:for-v5.17/renesas-rpc 5/5] drivers/memory/renesas-rpc-if.c:253:14: warning: cast to smaller integer type 'enum rpcif_type' from 'const void *' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git for-v5.17/renesas-rpc head: b04cc0d912eb80d3c438b11d96ca847c3e77e8ab commit: b04cc0d912eb80d3c438b11d96ca847c3e77e8ab [5/5] memory: renesas-rpc-if: Add support for RZ/G2L config: x86_64-buildonly-randconfig-r002-20211116 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4c2cf3a314d9131b1b288e7c8ab0c75ac1b2be1d) 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://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git/commit/?id=b04cc0d912eb80d3c438b11d96ca847c3e77e8ab git remote add krzk-mem-ctrl https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl.git git fetch --no-tags krzk-mem-ctrl for-v5.17/renesas-rpc git checkout b04cc0d912eb80d3c438b11d96ca847c3e77e8ab # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
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/memory/renesas-rpc-if.c:253:14: warning: cast to smaller integer type 'enum rpcif_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] rpc->type = (enum rpcif_type)of_device_get_match_data(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated.
vim +253 drivers/memory/renesas-rpc-if.c
226 227 int rpcif_sw_init(struct rpcif *rpc, struct device *dev) 228 { 229 struct platform_device *pdev = to_platform_device(dev); 230 struct resource *res; 231 232 rpc->dev = dev; 233 234 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); 235 rpc->base = devm_ioremap_resource(&pdev->dev, res); 236 if (IS_ERR(rpc->base)) 237 return PTR_ERR(rpc->base); 238 239 rpc->regmap = devm_regmap_init(&pdev->dev, NULL, rpc, &rpcif_regmap_config); 240 if (IS_ERR(rpc->regmap)) { 241 dev_err(&pdev->dev, 242 "failed to init regmap for rpcif, error %ld\n", 243 PTR_ERR(rpc->regmap)); 244 return PTR_ERR(rpc->regmap); 245 } 246 247 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dirmap"); 248 rpc->dirmap = devm_ioremap_resource(&pdev->dev, res); 249 if (IS_ERR(rpc->dirmap)) 250 return PTR_ERR(rpc->dirmap); 251 rpc->size = resource_size(res); 252 > 253 rpc->type = (enum rpcif_type)of_device_get_match_data(dev); 254 rpc->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL); 255 256 return PTR_ERR_OR_ZERO(rpc->rstc); 257 } 258 EXPORT_SYMBOL(rpcif_sw_init); 259
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