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ACPI: pci_root: pass acpi_pci_root to arch-specific scan

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The acpi_pci_root structure contains all the individual items (acpi_device,
domain, bus number) we pass to pci_acpi_scan_root(), so just pass the
single acpi_pci_root pointer directly.

This will make it easier to add _CBA support later.  For _CBA, we need the
entire downstream bus range, not just the base bus number.  We have that in
the acpi_pci_root structure, so passing the pointer makes it available to
the arch-specific code.

Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Kenji Kaneshige <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Bjorn Helgaas 2010-03-11 12:20:11 -07:00 • committed by Len Brown
commit 57283776b2
4 changed files with 10 additions and 5 deletions
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3
include/acpi/acpi_drivers.h
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@ -104,8 +104,7 @@ int acpi_pci_bind_root(struct acpi_device *device);
/* Arch-defined function to add a bus to the system */
struct pci_bus *pci_acpi_scan_root(struct acpi_device *device, int domain,
int bus);
struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root);
void pci_acpi_crs_quirks(void);
/* --------------------------------------------------------------------------