From 69e61d46d2dcdcf84a3a7aed7cf74ac3b3b850fd Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Date: Sat, 22 Mar 2025 00:21:16 +0100
Subject: acpi: new function acpi_update_checksum()

Introduce a new function to update ACPI table headers.
This allows to simplify the existing code.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---
 lib/acpi/acpi.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib')

diff --git a/lib/acpi/acpi.c b/lib/acpi/acpi.c
index f4d5c1e25d0..596301a43fe 100644
--- a/lib/acpi/acpi.c
+++ b/lib/acpi/acpi.c
@@ -6,11 +6,18 @@
  */
 
 #include <mapmem.h>
+#include <tables_csum.h>
 #include <acpi/acpi_table.h>
 #include <asm/global_data.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+void acpi_update_checksum(struct acpi_table_header *header)
+{
+	header->checksum = 0;
+	header->checksum = table_compute_checksum(header, header->length);
+}
+
 struct acpi_table_header *acpi_find_table(const char *sig)
 {
 	struct acpi_rsdp *rsdp;
-- 
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