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path: root/drivers/acpi/processor_core.c
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Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r--drivers/acpi/processor_core.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index b3171f30b319..a4eea9a508d3 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -10,8 +10,7 @@
#include <linux/export.h>
#include <linux/dmi.h>
#include <linux/slab.h>
-
-#include <acpi/acpi_drivers.h>
+#include <linux/acpi.h>
#include <acpi/processor.h>
#include "internal.h"
@@ -45,13 +44,13 @@ static int map_lapic_id(struct acpi_subtable_header *entry,
(struct acpi_madt_local_apic *)entry;
if (!(lapic->lapic_flags & ACPI_MADT_ENABLED))
- return 0;
+ return -ENODEV;
if (lapic->processor_id != acpi_id)
- return 0;
+ return -EINVAL;
*apic_id = lapic->id;
- return 1;
+ return 0;
}
static int map_x2apic_id(struct acpi_subtable_header *entry,
@@ -61,14 +60,14 @@ static int map_x2apic_id(struct acpi_subtable_header *entry,
(struct acpi_madt_local_x2apic *)entry;
if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
- return 0;
+ return -ENODEV;
if (device_declaration && (apic->uid == acpi_id)) {
*apic_id = apic->local_apic_id;
- return 1;
+ return 0;
}
- return 0;
+ return -EINVAL;
}
static int map_lsapic_id(struct acpi_subtable_header *entry,
@@ -78,16 +77,16 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
(struct acpi_madt_local_sapic *)entry;
if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))
- return 0;
+ return -ENODEV;
if (device_declaration) {
if ((entry->length < 16) || (lsapic->uid != acpi_id))
- return 0;
+ return -EINVAL;
} else if (lsapic->processor_id != acpi_id)
- return 0;
+ return -EINVAL;
*apic_id = (lsapic->id << 8) | lsapic->eid;
- return 1;
+ return 0;
}
static int map_madt_entry(int type, u32 acpi_id)
@@ -117,13 +116,13 @@ static int map_madt_entry(int type, u32 acpi_id)
struct acpi_subtable_header *header =
(struct acpi_subtable_header *)entry;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
- if (map_lapic_id(header, acpi_id, &apic_id))
+ 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))
+ 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))
+ if (!map_lsapic_id(header, type, acpi_id, &apic_id))
break;
}
entry += header->length;