tree: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/host-xgene head: d7f085ebc16657a04a39c1c35ce41fb287fe3124 commit: 966d0acb5184ada52e4e6d7da0f600fdf8a63524 [16/17] PCI: xgene: Add register accessors config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 966d0acb5184ada52e4e6d7da0f600fdf8a63524 # save the attached .config to linux build tree make.cross ARCH=arm64 All errors (new ones prefixed by >>): drivers/pci/host/pci-xgene.c: In function 'xgene_pcie_set_rtdid_reg': >> drivers/pci/host/pci-xgene.c:125:2: error: implicit declaration of function 'xgene_pcie_write' [-Werror=implicit-function-declaration] xgene_pcie_write(xgene_pcie, RTDID, rtdid_val); ^~~~~~~~~~~~~~~~ drivers/pci/host/pci-xgene.c: In function 'xgene_pcie_setup': drivers/pci/host/pci-xgene.c:498:23: error: 'port' undeclared (first use in this function) struct device *dev = port->dev; ^~~~ drivers/pci/host/pci-xgene.c:498:23: note: each undeclared identifier is reported only once for each function it appears in At top level: drivers/pci/host/pci-xgene.c:84:13: warning: 'xgene_pcie_writel' defined but not used [-Wunused-function] static void xgene_pcie_writel(struct xgene_pcie *xgene_pcie, u32 reg, u32 val) ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/xgene_pcie_write +125 drivers/pci/host/pci-xgene.c 119 d = PCI_SLOT(devfn); 120 f = PCI_FUNC(devfn); 121 122 if (!pci_is_root_bus(bus)) 123 rtdid_val = (b << 8) | (d << 3) | f; 124 > 125 xgene_pcie_write(xgene_pcie, RTDID, rtdid_val); 126 /* read the register back to ensure flush */ 127 xgene_pcie_readl(xgene_pcie, RTDID); 128 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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