[PATCH v3 54/57] acpi: Use defines for field lengths

Simon Glass
2020-09-06T21:44:02Z

A few fields have an open-coded length. Use the defines for this purpose
instead.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

(no changes since v1)

include/acpi/acpi_table.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h
index 9fba6536f50..3a243bf19ce 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 @@ struct acpi_rsdp {

/* 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 @@ struct __packed acpi_fadt {

/* 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 */
--
2.28.0.526.ge36021eeef-goog