X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fprocessor_core.c;h=8e683f8cc573c2129ec3869dcada94507d7e6829;hb=478c6a43fcbc6c11609f8cee7c7b57223907754f;hp=fa2f7422d23de1e2bec5ee3702fa15e2a5ca284c;hpb=5fba0925fd6b67d94181055b7222e3d934b4efee;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index fa2f7422d23..8e683f8cc57 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -426,6 +426,29 @@ static int map_lapic_id(struct acpi_subtable_header *entry,
 	return 0;
 }
 
+static int map_x2apic_id(struct acpi_subtable_header *entry,
+			 int device_declaration, u32 acpi_id, int *apic_id)
+{
+	struct acpi_madt_local_x2apic *apic =
+		(struct acpi_madt_local_x2apic *)entry;
+	u32 tmp = apic->local_apic_id;
+
+	/* Only check enabled APICs*/
+	if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
+		return 0;
+
+	/* Device statement declaration type */
+	if (device_declaration) {
+		if (apic->uid == acpi_id)
+			goto found;
+	}
+
+	return 0;
+found:
+	*apic_id = tmp;
+	return 1;
+}
+
 static int map_lsapic_id(struct acpi_subtable_header *entry,
 		int device_declaration, u32 acpi_id, int *apic_id)
 {
@@ -475,6 +498,9 @@ static int map_madt_entry(int type, u32 acpi_id)
 		if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
 			if (map_lapic_id(header, acpi_id, &apic_id))
 				break;
+		} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
+			if (map_x2apic_id(header, type, acpi_id, &apic_id))
+				break;
 		} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
 			if (map_lsapic_id(header, type, acpi_id, &apic_id))
 				break;