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ACPI: export acpi_pci_root and friends

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We can simplify ACPI drivers if we can tell whether a handle is an
ACPI PCI root or not.

Reviewed-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Alex Chiang <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
This commit is contained in:
Alex Chiang 2009-07-23 17:03:00 -06:00 • committed by Jesse Barnes
commit 76d56de57a
2 changed files with 18 additions and 15 deletions
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17
drivers/acpi/pci_root.c
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@ -61,20 +61,6 @@ static struct acpi_driver acpi_pci_root_driver = {
},
};
struct acpi_pci_root {
struct list_head node;
struct acpi_device *device;
struct pci_bus *bus;
u16 segment;
u8 bus_nr;
u32 osc_support_set; /* _OSC state of support bits */
u32 osc_control_set; /* _OSC state of control bits */
u32 osc_control_qry; /* the latest _OSC query result */
u32 osc_queried:1; /* has _OSC control been queried? */
};
static LIST_HEAD(acpi_pci_roots);
static struct acpi_pci_driver *sub_driver;
@ -317,7 +303,7 @@ static acpi_status acpi_pci_osc_support(struct acpi_pci_root *root, u32 flags)
return status;
}
static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
{
struct acpi_pci_root *root;
@ -327,6 +313,7 @@ static struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle)
}
return NULL;
}
EXPORT_SYMBOL_GPL(acpi_pci_find_root);
struct acpi_handle_node {
struct list_head node;