ACPICA: Allow OS override of all ACPI tables
Previously, the table override mechanism was implemented for the
DSDT only. Now, any table in the RSDT/XSDT can be replaced by
the host OS. (including the DSDT).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index c3e841f..f3f95e3 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -491,7 +491,6 @@
static acpi_status acpi_tb_load_namespace(void)
{
acpi_status status;
- struct acpi_table_header *table;
u32 i;
ACPI_FUNCTION_TRACE(tb_load_namespace);
@@ -515,41 +514,13 @@
goto unlock_and_exit;
}
- /*
- * Find DSDT table
- */
- status =
- acpi_os_table_override(acpi_gbl_root_table_list.
- tables[ACPI_TABLE_INDEX_DSDT].pointer,
- &table);
- if (ACPI_SUCCESS(status) && table) {
- /*
- * DSDT table has been found
- */
- acpi_tb_delete_table(&acpi_gbl_root_table_list.
- tables[ACPI_TABLE_INDEX_DSDT]);
- acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer =
- table;
- acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].length =
- table->length;
- acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].flags =
- ACPI_TABLE_ORIGIN_UNKNOWN;
-
- ACPI_INFO((AE_INFO, "Table DSDT replaced by host OS"));
- acpi_tb_print_table_header(0, table);
-
- if (no_auto_ssdt == 0) {
- printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n");
- }
- }
+ /* A valid DSDT is required */
status =
acpi_tb_verify_table(&acpi_gbl_root_table_list.
tables[ACPI_TABLE_INDEX_DSDT]);
if (ACPI_FAILURE(status)) {
- /* A valid DSDT is required */
-
status = AE_NO_ACPI_TABLES;
goto unlock_and_exit;
}