diff --git a/[refs] b/[refs]
index bd014973f38f..69f1165ba3a3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1cca0ebbb74298958dae1d1d3e7e9287c98a720c
+refs/heads/master: 5603509137940f4cbc577281cee62110d4097b1b
diff --git a/trunk/drivers/acpi/pci_link.c b/trunk/drivers/acpi/pci_link.c
index 07bc6dfe662b..8920e8c6e246 100644
--- a/trunk/drivers/acpi/pci_link.c
+++ b/trunk/drivers/acpi/pci_link.c
@@ -812,6 +812,9 @@ static int irqrouter_resume(struct sys_device *dev)
 
 	ACPI_FUNCTION_TRACE("irqrouter_resume");
 
+	/* Make sure SCI is enabled again (Apple firmware bug?) */
+	acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK);
+
 	acpi_in_resume = 1;
 	list_for_each(node, &acpi_link.entries) {
 		link = list_entry(node, struct acpi_pci_link, node);