Messages in this thread | | | Date | Wed, 17 Nov 2021 06:48:18 +0800 | From | kernel test robot <> | Subject | sound/soc/fsl/imx-audmux.c:301:16: warning: cast to smaller integer type 'enum imx_audmux_type' from 'const void *' |
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Hi Fabio,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab774587903771821b59471cc723bba6d893942 commit: 6a8b8b582db13a18235f3b0400f103a0573c7859 ASoC: imx-audmux: Remove unused .id_table date: 12 months ago config: arm64-buildonly-randconfig-r003-20211116 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project fbe72e41b99dc7994daac300d208a955be3e4a0a) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6a8b8b582db13a18235f3b0400f103a0573c7859 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6a8b8b582db13a18235f3b0400f103a0573c7859 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 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 >>):
>> sound/soc/fsl/imx-audmux.c:301:16: warning: cast to smaller integer type 'enum imx_audmux_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] audmux_type = (enum imx_audmux_type)of_device_get_match_data(&pdev->dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated.
vim +301 sound/soc/fsl/imx-audmux.c
287 288 static int imx_audmux_probe(struct platform_device *pdev) 289 { 290 audmux_base = devm_platform_ioremap_resource(pdev, 0); 291 if (IS_ERR(audmux_base)) 292 return PTR_ERR(audmux_base); 293 294 audmux_clk = devm_clk_get(&pdev->dev, "audmux"); 295 if (IS_ERR(audmux_clk)) { 296 dev_dbg(&pdev->dev, "cannot get clock: %ld\n", 297 PTR_ERR(audmux_clk)); 298 audmux_clk = NULL; 299 } 300 > 301 audmux_type = (enum imx_audmux_type)of_device_get_match_data(&pdev->dev); 302 303 switch (audmux_type) { 304 case IMX31_AUDMUX: 305 audmux_debugfs_init(); 306 reg_max = 14; 307 break; 308 case IMX21_AUDMUX: 309 reg_max = 6; 310 break; 311 default: 312 dev_err(&pdev->dev, "unsupported version!\n"); 313 return -EINVAL; 314 } 315 316 regcache = devm_kzalloc(&pdev->dev, sizeof(u32) * reg_max, GFP_KERNEL); 317 if (!regcache) 318 return -ENOMEM; 319 320 imx_audmux_parse_dt_defaults(pdev, pdev->dev.of_node); 321 322 return 0; 323 } 324
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