Merge master.kernel.org:/pub/scm/linux/kernel/git/lenb/to-linus

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index d9a9b86ecb28..65cea07abbc3 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -692,7 +692,18 @@ acpi_pci_link_free_irq(acpi_handle handle)
 		return_VALUE(-1);
 	}
 
+#ifdef	FUTURE_USE
+	/*
+	 * The Link reference count allows us to _DISable an unused link
+	 * and suspend time, and set it again  on resume.
+	 * However, 2.6.12 still has irq_router.resume
+	 * which blindly restores the link state.
+	 * So we disable the reference count method
+	 * to prevent duplicate acpi_pci_link_set()
+	 * which would harm some systems
+	 */
 	link->refcnt --;
+#endif
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 		"Link %s is dereferenced\n", acpi_device_bid(link->device)));