Hi Fabio, I love your patch! Perhaps something to improve: [auto build test WARNING on gpio/for-next] [also build test WARNING on v5.10-rc4 next-20201116] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Fabio-Estevam/gpio-mxc-Remove-unused-id_table-support/20201117-015424 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next config: powerpc-randconfig-r015-20201116 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c044709b8fbea2a9a375e4173a6bd735f6866c0c) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/0day-ci/linux/commit/a6943017beed6fb9b48fc297c02ac3f0f4e680cb git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Fabio-Estevam/gpio-mxc-Remove-unused-id_table-support/20201117-015424 git checkout a6943017beed6fb9b48fc297c02ac3f0f4e680cb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpio/gpio-mxc.c:361:32: warning: cast to smaller integer type 'enum mxc_gpio_hwtype' from 'const void *' [-Wvoid-pointer-to-enum-cast] enum mxc_gpio_hwtype hwtype = (enum mxc_gpio_hwtype)of_id->data; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +361 drivers/gpio/gpio-mxc.c 356 357 static void mxc_gpio_get_hw(struct platform_device *pdev) 358 { 359 const struct of_device_id *of_id = 360 of_match_device(mxc_gpio_dt_ids, &pdev->dev); > 361 enum mxc_gpio_hwtype hwtype = (enum mxc_gpio_hwtype)of_id->data; 362 363 if (mxc_gpio_hwtype) { 364 /* 365 * The driver works with a reasonable presupposition, 366 * that is all gpio ports must be the same type when 367 * running on one soc. 368 */ 369 BUG_ON(mxc_gpio_hwtype != hwtype); 370 return; 371 } 372 373 if (hwtype == IMX35_GPIO) 374 mxc_gpio_hwdata = &imx35_gpio_hwdata; 375 else if (hwtype == IMX31_GPIO) 376 mxc_gpio_hwdata = &imx31_gpio_hwdata; 377 else 378 mxc_gpio_hwdata = &imx1_imx21_gpio_hwdata; 379 380 mxc_gpio_hwtype = hwtype; 381 } 382 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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