On Wednesday, March 05, 2014 8:49 PM, Liviu Dudau wrote: > > Use the generic host bridge functions to provide support for > PCI Express on arm64. There is no support for ISA memory. > > Signed-off-by: Liviu Dudau <Liviu.Dudau@xxxxxxx> > Tested-by: Tanmay Inamdar <tinamdar@xxxxxxx> > --- > arch/arm64/Kconfig | 19 +++- > arch/arm64/include/asm/Kbuild | 1 + > arch/arm64/include/asm/io.h | 3 +- > arch/arm64/include/asm/pci.h | 49 +++++++++ > arch/arm64/kernel/Makefile | 1 + > arch/arm64/kernel/pci.c | 173 ++++++++++++++++++++++++++++++++ > 6 files changed, 244 insertions(+), 2 deletions(-) > create mode 100644 arch/arm64/include/asm/pci.h > create mode 100644 arch/arm64/kernel/pci.c [.....] > --- /dev/null > +++ b/arch/arm64/include/asm/pci.h [.....] > + > +static inline int pci_domain_nr(struct pci_bus *bus) > +{ > + struct pci_host_bridge *bridge = find_pci_host_bridge(bus); > + > + if (bridge) > + return bridge->domain_nr; > + > + return 0; > +} Hi Liviu Dudau, When CONFIG_PCI=n, the following build errors happen. :-( Would you confirm this? In file included from include/linux/pci.h:1393:0, from drivers/scsi/scsi_lib.c:19: arch/arm64/include/asm/pci.h:31:19: error: redefinition of 'pci_domain_nr' static inline int pci_domain_nr(struct pci_bus *bus) ^ In file included from drivers/scsi/scsi_lib.c:19:0: include/linux/pci.h:1383:19: note: previous definition of 'pci_domain_nr' was here static inline int pci_domain_nr(struct pci_bus *bus) { return 0; } ^ ..... Best regards, Jingoo Han -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html