Hi Ryder, [auto build test WARNING on pci/next] [also build test WARNING on v4.13-rc1 next-20170721] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/honghui-zhang-mediatek-com/PCI-MediaTek-Add-support-for-new-generation-host-controller/20170723-040107 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm All warnings (new ones prefixed by >>): drivers/pci/host/pcie-mediatek.c: In function 'mtk_pcie_startup_ports_v2': >> drivers/pci/host/pcie-mediatek.c:86:36: warning: right shift count >= width of type [-Wshift-count-overflow] #define AHB2PCIE_BASEH(base) (base >> 32) ^ >> drivers/pci/host/pcie-mediatek.c:440:9: note: in expansion of macro 'AHB2PCIE_BASEH' val = AHB2PCIE_BASEH(mem->start); ^~~~~~~~~~~~~~ drivers/pci/host/pcie-mediatek.c: In function 'mtk_pcie_parse_ports': >> drivers/pci/host/pcie-mediatek.c:789:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (pcie->soc->setup_irq) ^~ drivers/pci/host/pcie-mediatek.c:791:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if (err) ^~ vim +86 drivers/pci/host/pcie-mediatek.c 74 75 /* PCIe V2 per-port registers */ 76 #define PCIE_INT_MASK 0x420 77 #define INTX_MASK GENMASK(19, 16) 78 #define INTX_SHIFT 16 79 #define INTX_NUM 4 80 #define PCIE_INT_STATUS 0x424 81 #define AHB2PCIE_BASE0_L 0x438 82 #define AHB2PCIE_BASE0_H 0x43c 83 #define PCIE2AXI_WIN 0x448 84 #define WIN_ENABLE BIT(7) 85 #define AHB2PCIE_BASEL(base) (base & GENMASK(31, 0)) > 86 #define AHB2PCIE_BASEH(base) (base >> 32) 87 #define BASE_SIZE(sz) (sz & GENMASK(4, 0)) 88 #define PCIE2AXI_SIZE 0xffffffff 89 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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