Hi Vincent, Thank you for the patch! Yet something to improve: [auto build test ERROR on mtd/mtd/next] [also build test ERROR on mtd/mtd/fixes robh/for-next v5.18-rc1 next-20220405] [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/intel-lab-lkp/linux/commits/Vincent-Whitchurch/mtd-phram-improvements/20220406-070357 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next config: i386-randconfig-a005 (https://download.01.org/0day-ci/archive/20220406/202204061349.puriUTMO-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-19) 11.2.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/5f942c36259bf6194f9cc8ed7cbacdca28200e20 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vincent-Whitchurch/mtd-phram-improvements/20220406-070357 git checkout 5f942c36259bf6194f9cc8ed7cbacdca28200e20 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/mtd/devices/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/mtd/devices/phram.c:347:1: error: expected ',' or ';' before 'static' 347 | static int phram_probe(struct platform_device *pdev) | ^~~~~~ >> drivers/mtd/devices/phram.c:372:27: error: 'phram_probe' undeclared here (not in a function); did you mean 'phram_write'? 372 | .probe = phram_probe, | ^~~~~~~~~~~ | phram_write vim +347 drivers/mtd/devices/phram.c 346 > 347 static int phram_probe(struct platform_device *pdev) 348 { 349 struct resource *res; 350 351 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 352 if (!res) 353 return -ENOMEM; 354 355 /* mtd_set_of_node() reads name from "label" */ 356 return register_device(pdev, NULL, res->start, resource_size(res), 357 PAGE_SIZE); 358 } 359 360 static int phram_remove(struct platform_device *pdev) 361 { 362 struct phram_mtd_list *phram = platform_get_drvdata(pdev); 363 364 mtd_device_unregister(&phram->mtd); 365 iounmap(phram->mtd.priv); 366 kfree(phram); 367 368 return 0; 369 } 370 371 static struct platform_driver phram_driver = { > 372 .probe = phram_probe, 373 .remove = phram_remove, 374 .driver = { 375 .name = "phram", 376 .of_match_table = of_match_ptr(phram_of_match), 377 }, 378 }; 379 -- 0-DAY CI Kernel Test Service https://01.org/lkp