Hi John, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on scsi/for-next linus/master v5.10-rc5 next-20201123] [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/John-Garry/hisi_sas-A-small-bunch-of-misc-patches/20201124-014754 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/ede79ead19f599aecdc68447f3bfd6418df29561 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review John-Garry/hisi_sas-A-small-bunch-of-misc-patches/20201124-014754 git checkout ede79ead19f599aecdc68447f3bfd6418df29561 # save the attached .config to linux build tree make W=1 ARCH=x86_64 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/scsi/hisi_sas/hisi_sas_v3_hw.c:4371:6: warning: no previous prototype for 'debugfs_init_v3_hw' [-Wmissing-prototypes] 4371 | void debugfs_init_v3_hw(struct hisi_hba *hisi_hba) | ^~~~~~~~~~~~~~~~~~ vim +/debugfs_init_v3_hw +4371 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c 4370 > 4371 void debugfs_init_v3_hw(struct hisi_hba *hisi_hba) 4372 { 4373 struct device *dev = hisi_hba->dev; 4374 int i; 4375 4376 hisi_hba->debugfs_dir = debugfs_create_dir(dev_name(dev), 4377 hisi_sas_debugfs_dir); 4378 debugfs_create_file("trigger_dump", 0200, 4379 hisi_hba->debugfs_dir, 4380 hisi_hba, 4381 &debugfs_trigger_dump_v3_hw_fops); 4382 4383 /* create bist structures */ 4384 debugfs_bist_init_v3_hw(hisi_hba); 4385 4386 hisi_hba->debugfs_dump_dentry = 4387 debugfs_create_dir("dump", hisi_hba->debugfs_dir); 4388 4389 debugfs_phy_down_cnt_init_v3_hw(hisi_hba); 4390 4391 for (i = 0; i < hisi_sas_debugfs_dump_count; i++) { 4392 if (debugfs_alloc_v3_hw(hisi_hba, i)) { 4393 debugfs_remove_recursive(hisi_hba->debugfs_dir); 4394 dev_dbg(dev, "failed to init debugfs!\n"); 4395 break; 4396 } 4397 } 4398 } 4399 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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