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[ACPI] suspend/resume ACPI PCI Interrupt Links

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Add reference count and disable ACPI PCI Interrupt Link
when no device still uses it.

Warn when drivers have not released Link at suspend time.

http://bugzilla.kernel.org/show_bug.cgi?id=3469

Signed-off-by: David Shaohua Li <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
David Shaohua Li 2005-07-27 23:02:00 -04:00 • committed by Len Brown
commit 87bec66b96
8 changed files with 157 additions and 47 deletions
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3
include/acpi/acpi_drivers.h
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@ -56,8 +56,9 @@
/* ACPI PCI Interrupt Link (pci_link.c) */
int acpi_irq_penalty_init (void);
int acpi_pci_link_get_irq (acpi_handle handle, int index, int *edge_level,
int acpi_pci_link_allocate_irq (acpi_handle handle, int index, int *edge_level,
int *active_high_low, char **name);
int acpi_pci_link_free_irq(acpi_handle handle);
/* ACPI PCI Interrupt Routing (pci_irq.c) */