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Message-ID: <202310171955.hlish6FZ-lkp@intel.com> Date: Thu, 19 Oct 2023 09:06:10 +0800 From: kernel test robot <yujie.liu@...el.com> To: Kai-Heng Feng <kai.heng.feng@...onical.com>, <bhelgaas@...gle.com> CC: <oe-kbuild-all@...ts.linux.dev>, <linux-pm@...r.kernel.org>, <linux-mmc@...r.kernel.org>, Kai-Heng Feng <kai.heng.feng@...onical.com>, Ricky Wu <ricky_wu@...ltek.com>, Kees Cook <keescook@...omium.org>, Tony Luck <tony.luck@...el.com>, "Guilherme G. Piccoli" <gpiccoli@...lia.com>, "Lukas Wunner" <lukas@...ner.de>, <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-hardening@...r.kernel.org>, <bpf@...r.kernel.org> Subject: Re: [PATCH] PCI: pciehp: Prevent child devices from doing RPM on PCIe Link Down Hi Kai-Heng, kernel test robot noticed the following build warnings: [auto build test WARNING on pci/next] [also build test WARNING on pci/for-linus linus/master v6.6-rc6 next-20231017] [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/Kai-Heng-Feng/PCI-pciehp-Prevent-child-devices-from-doing-RPM-on-PCIe-Link-Down/20231017-142208 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20231016040132.23824-1-kai.heng.feng%40canonical.com patch subject: [PATCH] PCI: pciehp: Prevent child devices from doing RPM on PCIe Link Down config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20231017/202310171955.hlish6FZ-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310171955.hlish6FZ-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 <yujie.liu@...el.com> | Closes: https://lore.kernel.org/r/202310171955.hlish6FZ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/pci/hotplug/pciehp_pci.c:25:5: warning: no previous prototype for 'pci_dev_disconnect' [-Wmissing-prototypes] 25 | int pci_dev_disconnect(struct pci_dev *pdev, void *unused) | ^~~~~~~~~~~~~~~~~~ vim +/pci_dev_disconnect +25 drivers/pci/hotplug/pciehp_pci.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 24 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 @25 int pci_dev_disconnect(struct pci_dev *pdev, void *unused) 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 26 { 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 27 pm_runtime_barrier(&pdev->dev); 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 28 pci_dev_set_disconnected(pdev, NULL); 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 29 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 30 return 0; 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 31 } 2bd1cb5c4e6711 Kai-Heng Feng 2023-10-16 32 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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