summaryrefslogtreecommitdiff
path: root/drivers/acpi/tables.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/tables.c')
-rw-r--r--drivers/acpi/tables.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 48eabb6c2d4f..8fccbe49612a 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -473,14 +473,22 @@ static DECLARE_BITMAP(acpi_initrd_installed, NR_ACPI_INITRD_TABLES);
void __init acpi_table_upgrade(void)
{
- void *data = (void *)initrd_start;
- size_t size = initrd_end - initrd_start;
+ void *data;
+ size_t size;
int sig, no, table_nr = 0, total_offset = 0;
long offset = 0;
struct acpi_table_header *table;
char cpio_path[32] = "kernel/firmware/acpi/";
struct cpio_data file;
+ if (IS_ENABLED(CONFIG_ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD)) {
+ data = __initramfs_start;
+ size = __initramfs_size;
+ } else {
+ data = (void *)initrd_start;
+ size = initrd_end - initrd_start;
+ }
+
if (data == NULL || size == 0)
return;