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X-CSE-ConnectionGUID: VyCptDEpSoyRcbm+4SiJ7Q== X-CSE-MsgGUID: c+HpiwobSPKSlXZoM81tnQ== X-IronPort-AV: E=McAfee;i="6700,10204,11305"; a="36094428" X-IronPort-AV: E=Sophos;i="6.12,288,1728975600"; d="scan'208";a="36094428" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2025 07:46:58 -0800 X-CSE-ConnectionGUID: ChndAzcxS8mrTTdZBXc4Qw== X-CSE-MsgGUID: aIgxDF4+TkuJckNdbQM5kA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="101891609" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by orviesa010.jf.intel.com with ESMTP; 04 Jan 2025 07:46:57 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tU6MY-000B1R-29; Sat, 04 Jan 2025 15:46:54 +0000 Date: Sat, 4 Jan 2025 23:46:11 +0800 From: kernel test robot To: Logan Gunthorpe Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Jon Mason Subject: drivers/ntb/msi.c:38: warning: Function parameter or struct member 'desc_changed' not described in 'ntb_msi_init' Message-ID: <202501042317.rG3tE7M5-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 63676eefb7a026d04b51dcb7aaf54f358517a2ec commit: 26b3a37b928457ba2cd98eaf6d7b0feca5a30fa6 NTB: Introduce MSI library date: 6 years ago config: alpha-randconfig-r025-20220508 (https://download.01.org/0day-ci/archive/20250104/202501042317.rG3tE7M5-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250104/202501042317.rG3tE7M5-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202501042317.rG3tE7M5-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/ntb/msi.c:38: warning: Function parameter or struct member 'desc_changed' not described in 'ntb_msi_init' drivers/ntb/msi.c:288: warning: Function parameter or struct member 'name' not described in 'ntbm_msi_request_threaded_irq' drivers/ntb/msi.c:288: warning: Function parameter or struct member 'msi_desc' not described in 'ntbm_msi_request_threaded_irq' drivers/ntb/msi.c:288: warning: Excess function parameter 'devname' description in 'ntbm_msi_request_threaded_irq' vim +38 drivers/ntb/msi.c 22 23 /** 24 * ntb_msi_init() - Initialize the MSI context 25 * @ntb: NTB device context 26 * 27 * This function must be called before any other ntb_msi function. 28 * It initializes the context for MSI operations and maps 29 * the peer memory windows. 30 * 31 * This function reserves the last N outbound memory windows (where N 32 * is the number of peers). 33 * 34 * Return: Zero on success, otherwise a negative error number. 35 */ 36 int ntb_msi_init(struct ntb_dev *ntb, 37 void (*desc_changed)(void *ctx)) > 38 { 39 phys_addr_t mw_phys_addr; 40 resource_size_t mw_size; 41 size_t struct_size; 42 int peer_widx; 43 int peers; 44 int ret; 45 int i; 46 47 peers = ntb_peer_port_count(ntb); 48 if (peers <= 0) 49 return -EINVAL; 50 51 struct_size = sizeof(*ntb->msi) + sizeof(*ntb->msi->peer_mws) * peers; 52 53 ntb->msi = devm_kzalloc(&ntb->dev, struct_size, GFP_KERNEL); 54 if (!ntb->msi) 55 return -ENOMEM; 56 57 ntb->msi->desc_changed = desc_changed; 58 59 for (i = 0; i < peers; i++) { 60 peer_widx = ntb_peer_mw_count(ntb) - 1 - i; 61 62 ret = ntb_peer_mw_get_addr(ntb, peer_widx, &mw_phys_addr, 63 &mw_size); 64 if (ret) 65 goto unroll; 66 67 ntb->msi->peer_mws[i] = devm_ioremap(&ntb->dev, mw_phys_addr, 68 mw_size); 69 if (!ntb->msi->peer_mws[i]) { 70 ret = -EFAULT; 71 goto unroll; 72 } 73 } 74 75 return 0; 76 77 unroll: 78 for (i = 0; i < peers; i++) 79 if (ntb->msi->peer_mws[i]) 80 devm_iounmap(&ntb->dev, ntb->msi->peer_mws[i]); 81 82 devm_kfree(&ntb->dev, ntb->msi); 83 ntb->msi = NULL; 84 return ret; 85 } 86 EXPORT_SYMBOL(ntb_msi_init); 87 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki