ACPICA: Update comments, no functional change

ACPICA commit 45eb6384fb47f4fdc5759f63c47a9b6799924972

Link: https://github.com/acpica/acpica/commit/45eb6384
Signed-off-by: Cao Jin <caoj.fnst@cn.fujitsu.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 7abe665..cd96026 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -141,9 +141,9 @@ void acpi_tb_check_dsdt_header(void)
  *
  * FUNCTION:    acpi_tb_copy_dsdt
  *
- * PARAMETERS:  table_desc          - Installed table to copy
+ * PARAMETERS:  table_index         - Index of installed table to copy
  *
- * RETURN:      None
+ * RETURN:      The copied DSDT
  *
  * DESCRIPTION: Implements a subsystem option to copy the DSDT to local memory.
  *              Some very bad BIOSs are known to either corrupt the DSDT or
@@ -239,7 +239,7 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size)
  *
  * FUNCTION:    acpi_tb_parse_root_table
  *
- * PARAMETERS:  rsdp                    - Pointer to the RSDP
+ * PARAMETERS:  rsdp_address        - Pointer to the RSDP
  *
  * RETURN:      Status
  *