[IA64] use common pxm function
This patch simplifies a couple places where we search for _PXM
values in ACPI namespace. Thanks,
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index a8e99c5..72dfd9e 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -779,7 +779,7 @@
union acpi_object *obj;
struct acpi_table_iosapic *iosapic;
unsigned int gsi_base;
- int node;
+ int pxm, node;
/* Only care about objects w/ a method that returns the MADT */
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
@@ -805,29 +805,16 @@
gsi_base = iosapic->global_irq_base;
acpi_os_free(buffer.pointer);
- buffer.length = ACPI_ALLOCATE_BUFFER;
- buffer.pointer = NULL;
/*
- * OK, it's an IOSAPIC MADT entry, look for a _PXM method to tell
+ * OK, it's an IOSAPIC MADT entry, look for a _PXM value to tell
* us which node to associate this with.
*/
- if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PXM", NULL, &buffer)))
+ pxm = acpi_get_pxm(handle);
+ if (pxm < 0)
return AE_OK;
- if (!buffer.length || !buffer.pointer)
- return AE_OK;
-
- obj = buffer.pointer;
-
- if (obj->type != ACPI_TYPE_INTEGER ||
- obj->integer.value >= MAX_PXM_DOMAINS) {
- acpi_os_free(buffer.pointer);
- return AE_OK;
- }
-
- node = pxm_to_nid_map[obj->integer.value];
- acpi_os_free(buffer.pointer);
+ node = pxm_to_nid_map[pxm];
if (node >= MAX_NUMNODES || !node_online(node) ||
cpus_empty(node_to_cpumask(node)))