From: kernel test robot <lkp@intel.com>
To: cros-kernel-buildreports@googlegroups.com
Cc: oe-kbuild-all@lists.linux.dev
Subject: [android-common:android16-6.12-desktop 0/2] drivers/usb/host/xhci-sideband.c:263: warning: Function parameter or struct member 'intr_num' not described in 'xhci_sideband_create_interrupter'
Date: Fri, 27 Jun 2025 14:40:36 +0200 [thread overview]
Message-ID: <202506272012.w0aBh5XW-lkp@intel.com> (raw)
tree: https://android.googlesource.com/kernel/common android16-6.12-desktop
head: 0144e2490a70c3551bfb173921278f21d8255d44
commit: c354230ab97feb64813581d381c9f199ed70dd33 [0/2] FROMGIT: usb: host: xhci-mem: Allow for interrupter clients to choose specific index
config: x86_64-buildonly-randconfig-2001-20250626 (https://download.01.org/0day-ci/archive/20250627/202506272012.w0aBh5XW-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250627/202506272012.w0aBh5XW-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506272012.w0aBh5XW-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/usb/host/xhci-sideband.c:263: warning: Function parameter or struct member 'imod_interval' not described in 'xhci_sideband_create_interrupter'
>> drivers/usb/host/xhci-sideband.c:263: warning: Function parameter or struct member 'intr_num' not described in 'xhci_sideband_create_interrupter'
drivers/usb/host/xhci-sideband.c:346: warning: Function parameter or struct member 'type' not described in 'xhci_sideband_register'
vim +263 drivers/usb/host/xhci-sideband.c
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 244
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 245 /**
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 246 * xhci_sideband_create_interrupter - creates a new interrupter for this sideband
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 247 * @sb: sideband instance for this usb device
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 248 * @num_seg: number of event ring segments to allocate
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 249 * @ip_autoclear: IP autoclearing support such as MSI implemented
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 250 *
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 251 * Sets up a xhci interrupter that can be used for this sideband accessed usb
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 252 * device. Transfer events for this device can be routed to this interrupters
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 253 * event ring by setting the 'Interrupter Target' field correctly when queueing
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 254 * the transfer TRBs.
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 255 * Once this interrupter is created the interrupter target ID can be obtained
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 256 * by calling xhci_sideband_interrupter_id()
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 257 *
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 258 * Returns 0 on success, negative error otherwise
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 259 */
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 260 int
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 261 xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg,
c354230ab97feb Wesley Cheng 2025-04-09 262 bool ip_autoclear, u32 imod_interval, int intr_num)
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 @263 {
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 264 int ret = 0;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 265
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 266 if (!sb || !sb->xhci)
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 267 return -ENODEV;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 268
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 269 mutex_lock(&sb->mutex);
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 270 if (sb->ir) {
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 271 ret = -EBUSY;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 272 goto out;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 273 }
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 274
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 275 sb->ir = xhci_create_secondary_interrupter(xhci_to_hcd(sb->xhci),
c354230ab97feb Wesley Cheng 2025-04-09 276 num_seg, imod_interval,
c354230ab97feb Wesley Cheng 2025-04-09 277 intr_num);
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 278 if (!sb->ir) {
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 279 ret = -ENOMEM;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 280 goto out;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 281 }
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 282
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 283 sb->ir->ip_autoclear = ip_autoclear;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 284
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 285 out:
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 286 mutex_unlock(&sb->mutex);
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 287
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 288 return ret;
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 289 }
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 290 EXPORT_SYMBOL_GPL(xhci_sideband_create_interrupter);
8b9c57ce39a5a8 Mathias Nyman 2025-04-09 291
:::::: The code at line 263 was first introduced by commit
:::::: 8b9c57ce39a5a88dbc923cebe1fdd234239a7f94 FROMGIT: xhci: sideband: add initial api to register a secondary interrupter entity
:::::: TO: Mathias Nyman <mathias.nyman@linux.intel.com>
:::::: CC: Carlos Llamas <cmllamas@google.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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