On Mon, Jul 9, 2012 at 2:31 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > Two fixes here: > > 1) Zero is a legal P2P bridge window base and BAR value and is likely to > occur when there is an offset between bus addresses and CPU addresses. > Stop disallowing it. > > 2) The Intel-specific 1K I/O window granularity for P2P bridges was > implemented in a way that precluded reassignment of the window after > FINAL quirks. Fix that. > > And also replace the sparc pci_cfg_fake_ranges() with the functionally > equivalent generic version. > > --- > > Bjorn Helgaas (3): > PCI: allow P2P bridge windows starting at PCI bus address zero > PCI: reimplement P2P bridge 1K I/O windows (Intel P64H2) > sparc/PCI: replace pci_cfg_fake_ranges() with pci_read_bridge_bases() > > > arch/sparc/kernel/pci.c | 89 +--------------------------------------------- > drivers/pci/probe.c | 31 +++++++++------- > drivers/pci/quirks.c | 39 +------------------- > drivers/pci/setup-bus.c | 11 +++++- > include/linux/pci.h | 1 + > include/linux/pci_regs.h | 3 +- > 6 files changed, 31 insertions(+), 143 deletions(-) I applied these, as well as Yinghai's patch for 1K support in pbus_size_io(), to my "next" branch. Thanks, Yinghai! Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html