Re: [PATCH v9 2/2] pcie-designware platform driver

From: Bjorn Helgaas
Date: Mon Feb 08 2016 - 18:28:17 EST


On Tue, Feb 09, 2016 at 05:29:15AM +0800, kbuild test robot wrote:
> Hi Joao,
>
> [auto build test ERROR on arc/for-next]
> [cannot apply to pci/next v4.5-rc3 next-20160208]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
>
> url: https://github.com/0day-ci/linux/commits/Joao-Pinto/PCI-support-added-to-ARC/20160209-014808
> base: https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc for-next
> config: x86_64-allmodconfig (attached as .config)
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
> include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute
> drivers/pci/host/pcie-designware.c:581:14: sparse: undefined identifier 'pci_has_flag'
> drivers/pci/host/pcie-designware.c: In function 'dw_pcie_host_init':
> >> drivers/pci/host/pcie-designware.c:581:7: error: implicit declaration of function 'pci_has_flag' [-Werror=implicit-function-declaration]
> if (!pci_has_flag(PCI_PROBE_ONLY)) {
> ^
> >> drivers/pci/host/pcie-designware.c:581:20: error: 'PCI_PROBE_ONLY' undeclared (first use in this function)
> if (!pci_has_flag(PCI_PROBE_ONLY)) {
> ^
> drivers/pci/host/pcie-designware.c:581:20: note: each undeclared identifier is reported only once for each function it appears in
> cc1: some warnings being treated as errors

I have fixes for this on my pci/misc branch, so you don't need to
worry about these errors. Basically I'm moving the PCI_PROBE_ONLY and
pci_has_flag() declarations from the arch-specific asm/pci-bridge.h
files to the generic linux/pci.h file.

> vim +/pci_has_flag +581 drivers/pci/host/pcie-designware.c
>
> cbce7900 Zhou Wang 2015-10-29 575
> cbce7900 Zhou Wang 2015-10-29 576 #ifdef CONFIG_ARM
> cbce7900 Zhou Wang 2015-10-29 577 /* support old dtbs that incorrectly describe IRQs */
> cbce7900 Zhou Wang 2015-10-29 578 pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci);
> 0815f957 Yijing Wang 2014-11-11 579 #endif
> 0815f957 Yijing Wang 2014-11-11 580
> cbce7900 Zhou Wang 2015-10-29 @581 if (!pci_has_flag(PCI_PROBE_ONLY)) {
> cbce7900 Zhou Wang 2015-10-29 582 pci_bus_size_bridges(bus);
> cbce7900 Zhou Wang 2015-10-29 583 pci_bus_assign_resources(bus);
> 4b1ced84 Jingoo Han 2013-07-31 584
>
> :::::: The code at line 581 was first introduced by commit
> :::::: cbce7900598c26a12652f8ca9c41c5b29034c38d PCI: designware: Make driver arch-agnostic
>
> :::::: TO: Zhou Wang <wangzhou1@xxxxxxxxxxxxx>
> :::::: CC: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation