acpi: Use defines for field lengths
A few fields have an open-coded length. Use the defines for this purpose
instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h
index 9fba653..3a243bf 100644
--- a/include/acpi/acpi_table.h
+++ b/include/acpi/acpi_table.h
@@ -13,6 +13,7 @@
#ifndef __ACPI_TABLE_H__
#define __ACPI_TABLE_H__
+#include <dm/acpi.h>
#include <linux/bitops.h>
#define RSDP_SIG "RSD PTR " /* RSDP pointer signature */
@@ -48,7 +49,7 @@
/* Generic ACPI header, provided by (almost) all tables */
struct __packed acpi_table_header {
- char signature[4]; /* ACPI signature (4 ASCII characters) */
+ char signature[ACPI_NAME_LEN]; /* ACPI signature (4 ASCII chars) */
u32 length; /* Table length in bytes (incl. header) */
u8 revision; /* Table version (not ACPI version!) */
volatile u8 checksum; /* To make sum of entire table == 0 */
@@ -263,7 +264,7 @@
/* FACS (Firmware ACPI Control Structure) */
struct acpi_facs {
- char signature[4]; /* "FACS" */
+ char signature[ACPI_NAME_LEN]; /* "FACS" */
u32 length; /* Length in bytes (>= 64) */
u32 hardware_signature; /* Hardware signature */
u32 firmware_waking_vector; /* Firmware waking vector */