10:29 p.m.
tree: https://github.com/intel/linux-intel-lts.git 5.4/yocto
head: eeb611e5394c56d45c5cc8f7dc484c9f19e93143
commit: 4d568c88671a6778939cb0d961566f95e6ce18ad [413/1142] PCI: keembay: Changes to
support VPU PCIe driver
config: riscv-allyesconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 9.3.0
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://github.com/intel/linux-intel-lts/commit/4d568c88671a6778939cb0d96...
git remote add intel-linux-intel-lts https://github.com/intel/linux-intel-lts.git
git fetch --no-tags intel-linux-intel-lts 5.4/yocto
git checkout 4d568c88671a6778939cb0d961566f95e6ce18ad
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/pci/controller/dwc/pcie-keembay.c: In function 'keembay_pcie_probe':
> drivers/pci/controller/dwc/pcie-keembay.c:799:2: warning:
'strncpy' output truncated before terminating nul copying 2 bytes from a string of
the same length [-Wstringop-truncation]
799 | strncpy(pcie->stepping,
"B0", strlen("B0"));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/strncpy +799 drivers/pci/controller/dwc/pcie-keembay.c
749
750 static int keembay_pcie_probe(struct platform_device *pdev)
751 {
752 const struct keembay_pcie_of_data *data;
753 const struct of_device_id *match;
754 struct device *dev = &pdev->dev;
755 struct keembay_pcie *pcie;
756 struct dw_pcie *pci;
757 struct resource *res;
758 struct device_node *soc_node, *version_node;
759 enum dw_pcie_device_mode mode;
760 const char *prop;
761 int prop_size;
762 int ret;
763
764 match = of_match_device(keembay_pcie_of_match, dev);
765 if (!match)
766 return -EINVAL;
767
768 data = (struct keembay_pcie_of_data *)match->data;
769 mode = (enum dw_pcie_device_mode)data->mode;
770
771 pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
772 if (!pcie)
773 return -ENOMEM;
774
775 pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);
776 if (!pci)
777 return -ENOMEM;
778
779 pci->dev = dev;
780 pci->ops = &keembay_pcie_ops;
781
782 pcie->pci = pci;
783 pcie->mode = mode;
784
785 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "apb");
786 pcie->apb_base = devm_ioremap_resource(dev, res);
787 if (IS_ERR(pcie->apb_base))
788 return PTR_ERR(pcie->apb_base);
789
790 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
791 pci->dbi_base = devm_ioremap_resource(dev, res);
792 if (IS_ERR(pci->dbi_base))
793 return PTR_ERR(pci->dbi_base);
794
795 /* DBI2 shadow register */
796 pci->dbi_base2 = pci->dbi_base + PCIE_DBI2_MASK;
797
798 /* Keem Bay stepping info, based on DT */
799 strncpy(pcie->stepping, "B0",
strlen("B0"));
800 soc_node = of_get_parent(pdev->dev.of_node);
801 if (soc_node) {
802 version_node = of_get_child_by_name(soc_node, "version-info");
803 if (version_node) {
804 prop = of_get_property(version_node, "stepping",
805 &prop_size);
806 if (prop && prop_size <= KEEMBAY_PCIE_STEPPING_MAXLEN)
807 strncpy(pcie->stepping, prop, prop_size);
808 of_node_put(version_node);
809 }
810 of_node_put(soc_node);
811 }
812
813 platform_set_drvdata(pdev, pcie);
814
815 switch (pcie->mode) {
816 case DW_PCIE_RC_TYPE:
817 if (!IS_ENABLED(CONFIG_PCIE_KEEMBAY_HOST))
818 return -ENODEV;
819
820 ret = keembay_pcie_add_pcie_port(pcie, pdev);
821 if (ret < 0)
822 return ret;
823 break;
824 case DW_PCIE_EP_TYPE:
825 if (!IS_ENABLED(CONFIG_PCIE_KEEMBAY_EP))
826 return -ENODEV;
827
828 ret = keembay_pcie_add_pcie_ep(pcie, pdev);
829 if (ret < 0)
830 return ret;
831 break;
832 default:
833 dev_err(dev, "INVALID device type %d\n", pcie->mode);
834 }
835
836 return 0;
837 }
838
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org