Hi Pawel, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-testing] [also build test WARNING on usb/usb-next usb/usb-linus linus/master v6.14-rc4] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Pawel-Laszczak/usb-xhci-lack-of-clearing-xHC-resources/20250226-153837 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing patch link: https://lore.kernel.org/r/PH7PR07MB95385E2766D01F3741D418ABDDC22%40PH7PR07MB9538.namprd07.prod.outlook.com patch subject: [PATCH v2] usb: xhci: lack of clearing xHC resources config: i386-buildonly-randconfig-001-20250227 (https://download.01.org/0day-ci/archive/20250227/202502271523.jt3l4VVu-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250227/202502271523.jt3l4VVu-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202502271523.jt3l4VVu-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/usb/core/hub.c:6084: warning: Function parameter or struct member 'udev' not described in 'hub_hc_release_resources' >> drivers/usb/core/hub.c:6084: warning: Excess function parameter 'pdev' description in 'hub_hc_release_resources' vim +6084 drivers/usb/core/hub.c 6067 6068 /** 6069 * hub_hc_release_resources - clear resources used by host controller 6070 * @pdev: pointer to device being released 6071 * 6072 * Context: task context, might sleep 6073 * 6074 * Function releases the host controller resources in correct order before 6075 * making any operation on resuming usb device. The host controller resources 6076 * allocated for devices in tree should be released starting from the last 6077 * usb device in tree toward the root hub. This function is used only during 6078 * resuming device when usb device require reinitialization - that is, when 6079 * flag udev->reset_resume is set. 6080 * 6081 * This call is synchronous, and may not be used in an interrupt context. 6082 */ 6083 static void hub_hc_release_resources(struct usb_device *udev) > 6084 { 6085 struct usb_hub *hub = usb_hub_to_struct_hub(udev); 6086 struct usb_hcd *hcd = bus_to_hcd(udev->bus); 6087 int i; 6088 6089 /* Release up resources for all children before this device */ 6090 for (i = 0; i < udev->maxchild; i++) 6091 if (hub->ports[i]->child) 6092 hub_hc_release_resources(hub->ports[i]->child); 6093 6094 if (hcd->driver->reset_device) 6095 hcd->driver->reset_device(hcd, udev); 6096 } 6097 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
