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316d86fe86
linux/arch/x86/pci
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Bjorn Helgaas 316d86fe86 x86/PCI: don't fall back to defaults if _CRS has no apertures 
Host bridges that lead to things like the Uncore need not have any
I/O port or MMIO apertures.  For example, in this case:

    ACPI: PCI Root Bridge [UNC1] (domain 0000 [bus ff])
    PCI: root bus ff: using default resources
    PCI host bridge to bus 0000:ff
    pci_bus 0000:ff: root bus resource [io  0x0000-0xffff]
    pci_bus 0000:ff: root bus resource [mem 0x00000000-0x3fffffffffff]

we should not pretend those default resources are available on bus ff.

CC: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-02-14 08:44:49 -08:00
..
acpi.c x86/PCI: don't fall back to defaults if _CRS has no apertures 2012-02-14 08:44:49 -08:00
amd_bus.c x86/PCI: amd: factor out MMCONFIG discovery 2012-01-06 12:11:19 -08:00
broadcom_bus.c x86/PCI: read Broadcom CNB20LE host bridge info before PCI scan 2012-01-06 12:11:12 -08:00
bus_numa.c x86/PCI: convert to pci_create_root_bus() and pci_scan_root_bus() 2012-01-06 12:11:14 -08:00
bus_numa.h Merge branch 'x86-bootmem-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-03-03 08:15:05 -08:00
ce4100.c x86: constify PCI raw ops structures 2011-10-14 09:05:28 -07:00
common.c x86/PCI: convert to pci_create_root_bus() and pci_scan_root_bus() 2012-01-06 12:11:14 -08:00
direct.c x86: constify PCI raw ops structures 2011-10-14 09:05:28 -07:00
early.c x86/PCI: remove early PCI pr_debug statements 2009-11-24 15:25:19 -08:00
fixup.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2009-04-01 09:47:12 -07:00
i386.c x86/PCI: Convert maintaining FW-assigned BIOS BAR values to use a list 2012-02-14 08:44:46 -08:00
init.c x86, olpc: Use pci subarch init for OLPC 2010-02-25 19:26:23 -08:00
irq.c x86/PCI: irq and pci_ids patch for Intel Panther Point DeviceIDs 2011-05-10 15:43:36 -07:00
legacy.c x86/PCI: use pci_scan_bus() instead of pci_scan_bus_parented() 2012-01-06 12:11:13 -08:00
Makefile x86/PCI: build amd_bus.o only when CONFIG_AMD_NB=y 2012-01-12 07:54:18 -08:00
mmconfig_32.c x86: constify PCI raw ops structures 2011-10-14 09:05:28 -07:00
mmconfig_64.c x86: constify PCI raw ops structures 2011-10-14 09:05:28 -07:00
mmconfig-shared.c x66, UV: Enable 64-bit ACPI MFCG support for SGI UV2 platform 2011-06-03 16:00:03 +02:00
mrst.c x86, pci, mrst: Add extra sanity check in walking the PCI extended cap chain 2010-07-16 16:52:15 -07:00
numaq_32.c x86/PCI: use pci_scan_bus() instead of pci_scan_bus_parented() 2012-01-06 12:11:13 -08:00
olpc.c x86: constify PCI raw ops structures 2011-10-14 09:05:28 -07:00
pcbios.c typo fixes: aera -> area, exntension -> extension 2011-12-09 15:22:07 +01:00
visws.c PCI: Make the struct pci_dev * argument of pci_fixup_irqs const. 2011-07-22 08:26:06 -07:00
xen.c Merge branches 'stable/drivers-3.2', 'stable/drivers.bugfixes-3.2' and 'stable/pci.fixes-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen 2011-10-25 09:19:36 +02:00