Hi Charles, I love your patch! Perhaps something to improve:
[auto build test WARNING on ljones-mfd/for-mfd-next] [also build test WARNING on v5.7-rc5 next-20200511] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Charles-Keepax/mfd-mfd-core-Add-mechanism-for-removal-of-a-subset-of-children/20200512-032030 base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next config: s390-randconfig-r034-20200511 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> All warnings (new ones prefixed by >>): drivers/mfd/mfd-core.c: In function 'mfd_remove_devices_fn': >> drivers/mfd/mfd-core.c:290:12: warning: cast from pointer to integer of >> different size [-Wpointer-to-int-cast] 290 | int tag = (int)data; | ^ drivers/mfd/mfd-core.c: In function 'mfd_remove_devices_by_tag': >> drivers/mfd/mfd-core.c:310:40: warning: cast to pointer from integer of >> different size [-Wint-to-pointer-cast] 310 | device_for_each_child_reverse(parent, (void *)tag, | ^ vim +290 drivers/mfd/mfd-core.c 285 286 static int mfd_remove_devices_fn(struct device *dev, void *data) 287 { 288 struct platform_device *pdev; 289 const struct mfd_cell *cell; > 290 int tag = (int)data; 291 292 if (dev->type != &mfd_dev_type) 293 return 0; 294 295 pdev = to_platform_device(dev); 296 cell = mfd_get_cell(pdev); 297 298 if (tag && cell->tag != tag) 299 return 0; 300 301 regulator_bulk_unregister_supply_alias(dev, cell->parent_supplies, 302 cell->num_parent_supplies); 303 304 platform_device_unregister(pdev); 305 return 0; 306 } 307 308 void mfd_remove_devices_by_tag(struct device *parent, int tag) 309 { > 310 device_for_each_child_reverse(parent, (void *)tag, 311 mfd_remove_devices_fn); 312 } 313 EXPORT_SYMBOL(mfd_remove_devices_by_tag); 314 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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