[+CC Adding Jonathan, Dan, Frederic and Andrew for visibility] > tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/driver > head: 0508b6f72f055b88df518db4f3811bda9bb35da4 > commit: 115c9d41e58388415f4956d0a988c90fb48663b9 [17/24] cxl: Factor out common dev->driver expressions > config: powerpc64-allnoconfig (attached as .config) > compiler: powerpc64-linux-gcc (GCC) 11.2.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?id=115c9d41e58388415f4956d0a988c90fb48663b9 > git remote add helgaas-pci https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git > git fetch --no-tags helgaas-pci pci/driver > git checkout 115c9d41e58388415f4956d0a988c90fb48663b9 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > drivers/misc/cxl/pci.c: In function 'cxl_vphb_error_detected': > >> drivers/misc/cxl/pci.c:1816:29: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] > 1816 | err_handler = afu_drv->err_handler; > | ^ > drivers/misc/cxl/pci.c: In function 'cxl_pci_slot_reset': > drivers/misc/cxl/pci.c:2041:37: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] > 2041 | err_handler = afu_drv->err_handler; > | ^ > drivers/misc/cxl/pci.c: In function 'cxl_pci_resume': > drivers/misc/cxl/pci.c:2090:37: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] > 2090 | err_handler = afu_drv->err_handler; > | ^ > cc1: all warnings being treated as errors > -- > drivers/misc/cxl/guest.c: In function 'pci_error_handlers': > >> drivers/misc/cxl/guest.c:34:29: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] > 34 | err_handler = afu_drv->err_handler; > | ^ > cc1: all warnings being treated as errors > > > vim +/const +1816 drivers/misc/cxl/pci.c > > 1793 > 1794 static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, > 1795 pci_channel_state_t state) > 1796 { > 1797 struct pci_dev *afu_dev; > 1798 struct pci_driver *afu_drv; > 1799 struct pci_error_handlers *err_handler; > 1800 pci_ers_result_t result = PCI_ERS_RESULT_NEED_RESET; > 1801 pci_ers_result_t afu_result = PCI_ERS_RESULT_NEED_RESET; > 1802 > 1803 /* There should only be one entry, but go through the list > 1804 * anyway > 1805 */ > 1806 if (afu == NULL || afu->phb == NULL) > 1807 return result; > 1808 > 1809 list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { > 1810 afu_drv = afu_dev->driver; > 1811 if (!afu_drv) > 1812 continue; > 1813 > 1814 afu_dev->error_state = state; > 1815 > > 1816 err_handler = afu_drv->err_handler; > 1817 if (err_handler) > 1818 afu_result = err_handler->error_detected(afu_dev, > 1819 state); > 1820 /* Disconnect trumps all, NONE trumps NEED_RESET */ > 1821 if (afu_result == PCI_ERS_RESULT_DISCONNECT) > 1822 result = PCI_ERS_RESULT_DISCONNECT; > 1823 else if ((afu_result == PCI_ERS_RESULT_NONE) && > 1824 (result == PCI_ERS_RESULT_NEED_RESET)) > 1825 result = PCI_ERS_RESULT_NONE; > 1826 } > 1827 return result; > 1828 } > 1829 Krzysztof
