On Wed, Mar 12, 2014 at 05:41:33PM +0900, Jingoo Han wrote:
> 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 at arm.com>
> > Tested-by: Tanmay Inamdar <tinamdar at apm.com>
> > ---
> > 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; }
> ^
> .....
Hi Jingoo,
I confirm the build error. Sorry for missing out on this test. I've now got out
of some more pressing tasks and I will post v7 tomorrow.
Best regards,
Liviu
>
> Best regards,
> Jingoo Han
>
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