* Convert the FADT to a common format.  This allows earlier revisions of the * table to coexist with newer versions, using common access code.
* Convert the FADT to a common format.  This allows earlier revisions of * the table to coexist with newer versions, using common access code.
acpi_tb_get_required_tables (	void){	acpi_status                     status = AE_OK;	u32                             i;	struct acpi_table_desc          table_info;	struct acpi_pointer             address;	ACPI_FUNCTION_TRACE ("tb_get_required_tables");	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",		acpi_gbl_rsdt_table_count));	address.pointer_type  = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;	/*	 * Loop through all table pointers found in RSDT.	 * This will NOT include the FACS and DSDT - we must get	 * them after the loop.	 *	 * The only tables we are interested in getting here is the FADT and	 * any SSDTs.	 */	for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {		/* Get the table address from the common internal XSDT */		address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];		/*		 * Get the tables needed by this subsystem (FADT and any SSDTs).		 * NOTE: All other tables are completely ignored at this time.		 */		status = acpi_tb_get_primary_table (&address, &table_info);		if ((status != AE_OK) && (status != AE_TABLE_NOT_SUPPORTED)) {			ACPI_REPORT_WARNING (("%s, while getting table at %8.8X%8.8X\n",				acpi_format_exception (status),				ACPI_FORMAT_UINT64 (address.pointer.value)));		}	}	/* We must have a FADT to continue */	if (!acpi_gbl_FADT) {		ACPI_REPORT_ERROR (("No FADT present in RSDT/XSDT\n"));		return_ACPI_STATUS (AE_NO_ACPI_TABLES);	}	/*	 * Convert the FADT to a common format.  This allows earlier revisions of the	 * table to coexist with newer versions, using common access code.	 */	status = acpi_tb_convert_table_fadt ();	if (ACPI_FAILURE (status)) {		ACPI_REPORT_ERROR (("Could not convert FADT to internal common format\n"));		return_ACPI_STATUS (status);	}	/*	 * Get the FACS (Pointed to by the FADT)	 */	address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl;	status = acpi_tb_get_secondary_table (&address, FACS_SIG, &table_info);	if (ACPI_FAILURE (status)) {		ACPI_REPORT_ERROR (("Could not get/install the FACS, %s\n",			acpi_format_exception (status)));		return_ACPI_STATUS (status);	}	/*	 * Create the common FACS pointer table	 * (Contains pointers to the original table)	 */	status = acpi_tb_build_common_facs (&table_info);	if (ACPI_FAILURE (status)) {		return_ACPI_STATUS (status);	}	/*	 * Get/install the DSDT (Pointed to by the FADT)	 */	address.pointer.value = acpi_gbl_FADT->Xdsdt;	status = acpi_tb_get_secondary_table (&address, DSDT_SIG, &table_info);	if (ACPI_FAILURE (status)) {		ACPI_REPORT_ERROR (("Could not get/install the DSDT\n"));		return_ACPI_STATUS (status);	}	/* Set Integer Width (32/64) based upon DSDT revision */	acpi_ut_set_integer_width (acpi_gbl_DSDT->revision);	/* Dump the entire DSDT */	ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,		"Hex dump of entire DSDT, size %d (0x%X), Integer width = %d\n",		acpi_gbl_DSDT->length, acpi_gbl_DSDT->length, acpi_gbl_integer_bit_width));	ACPI_DUMP_BUFFER ((u8 *) acpi_gbl_DSDT, acpi_gbl_DSDT->length);	/* Always delete the RSDP mapping, we are done with it */	acpi_tb_delete_tables_by_type (ACPI_TABLE_RSDP);	return_ACPI_STATUS (status);}