diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index 8693c704aea6..4fa80abfe6c0 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -117,14 +117,6 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
 
 	case ACPI_TYPE_METHOD:
 
-		/*
-		 * Print a dot for each method unless we are going to print
-		 * the entire pathname
-		 */
-		if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
-			ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
-		}
-
 		/*
 		 * Set the execution data width (32 or 64) based upon the
 		 * revision number of the parent ACPI table.
@@ -134,6 +126,21 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
 		if (info->table_desc->pointer->revision == 1) {
 			node->flags |= ANOBJ_DATA_WIDTH_32;
 		}
+#ifdef ACPI_INIT_PARSE_METHODS
+		/*
+		 * Note 11/2005: Removed this code to parse all methods during table
+		 * load because it causes problems if there are any errors during the
+		 * parse. Also, it seems like overkill and we probably don't want to
+		 * abort a table load because of an issue with a single method.
+		 */
+
+		/*
+		 * Print a dot for each method unless we are going to print
+		 * the entire pathname
+		 */
+		if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
+			ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
+		}
 
 		/*
 		 * Always parse methods to detect errors, we will delete
@@ -149,7 +156,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
 
 			/* This parse failed, but we will continue parsing more methods */
 		}
-
+#endif
 		info->method_count++;
 		break;
 
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index 411731261c29..89d318cbc8a3 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -311,7 +311,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
 	op->named.name = node->name.integer;
 
 #if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
-	op->named.path = (u8 *) path;
+	op->named.path = ACPI_CAST_PTR(u8, path);
 #endif
 
 	/*
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 04e5194989a6..fa9e75d4ec65 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -504,18 +504,12 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
 		}
 
 		/*
-		 * Perform the conversion.
+		 * Create a new string object and string buffer
 		 * (-1 because of extra separator included in string_length from above)
 		 */
-		string_length--;
-		if (string_length > ACPI_MAX_STRING_CONVERSION) {	/* ACPI limit */
-			return_ACPI_STATUS(AE_AML_STRING_LIMIT);
-		}
-
-		/* Create a new string object and string buffer */
-
 		return_desc =
-		    acpi_ut_create_string_object((acpi_size) string_length);
+		    acpi_ut_create_string_object((acpi_size)
+						 (string_length - 1));
 		if (!return_desc) {
 			return_ACPI_STATUS(AE_NO_MEMORY);
 		}
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 5a4cca171af6..17c79cd91b31 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -117,12 +117,13 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = {
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.semaphore), "Semaphore"}
 };
 
-static struct acpi_exdump_info acpi_ex_dump_method[7] = {
+static struct acpi_exdump_info acpi_ex_dump_method[8] = {
 	{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "param_count"},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"},
 	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
+	{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"},
 	{ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"},
 	{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.aml_start), "Aml Start"}
 };
@@ -339,7 +340,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
 	count = info->offset;
 
 	while (count) {
-		target = ((u8 *) obj_desc) + info->offset;
+		target = ACPI_ADD_PTR(u8, obj_desc, info->offset);
 		name = info->name;
 
 		switch (info->opcode) {
@@ -360,20 +361,19 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
 		case ACPI_EXD_UINT16:
 
 			acpi_os_printf("%20s : %4.4X\n", name,
-				       *ACPI_CAST_PTR(u16, target));
+				       ACPI_GET16(target));
 			break;
 
 		case ACPI_EXD_UINT32:
 
 			acpi_os_printf("%20s : %8.8X\n", name,
-				       *ACPI_CAST_PTR(u32, target));
+				       ACPI_GET32(target));
 			break;
 
 		case ACPI_EXD_UINT64:
 
 			acpi_os_printf("%20s : %8.8X%8.8X\n", "Value",
-				       ACPI_FORMAT_UINT64(*ACPI_CAST_PTR
-							  (u64, target)));
+				       ACPI_FORMAT_UINT64(ACPI_GET64(target)));
 			break;
 
 		case ACPI_EXD_POINTER:
@@ -969,7 +969,8 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
 		acpi_os_printf("[Buffer] Length %.2X = ",
 			       obj_desc->buffer.length);
 		if (obj_desc->buffer.length) {
-			acpi_ut_dump_buffer((u8 *) obj_desc->buffer.pointer,
+			acpi_ut_dump_buffer(ACPI_CAST_PTR
+					    (u8, obj_desc->buffer.pointer),
 					    obj_desc->buffer.length,
 					    DB_DWORD_DISPLAY, _COMPONENT);
 		} else {
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 00a25f8188f4..0778bff632bf 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -205,11 +205,9 @@ acpi_ex_concat_template(union acpi_operand_object *operand0,
 	ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length0);
 	ACPI_MEMCPY(new_buf + length0, operand1->buffer.pointer, length1);
 
-	/* Compute the new checksum */
+	/* Set the end_tag checksum to zero, means "ignore checksum" */
 
-	new_buf[return_desc->buffer.length - 1] =
-	    acpi_ut_generate_checksum(return_desc->buffer.pointer,
-				      (return_desc->buffer.length - 1));
+	new_buf[return_desc->buffer.length - 1] = 0;
 
 	/* Return the completed resource template */
 
@@ -242,7 +240,6 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
 	union acpi_operand_object *return_desc;
 	char *new_buf;
 	acpi_status status;
-	acpi_size new_length;
 
 	ACPI_FUNCTION_TRACE("ex_do_concatenate");
 
@@ -269,7 +266,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
 		break;
 
 	default:
-		ACPI_REPORT_ERROR(("Concat - invalid obj type: %X\n",
+		ACPI_REPORT_ERROR(("Concatanate - invalid object type: %X\n",
 				   ACPI_GET_OBJECT_TYPE(operand0)));
 		status = AE_AML_INTERNAL;
 	}
@@ -309,8 +306,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
 
 		/* Copy the first integer, LSB first */
 
-		ACPI_MEMCPY(new_buf,
-			    &operand0->integer.value,
+		ACPI_MEMCPY(new_buf, &operand0->integer.value,
 			    acpi_gbl_integer_byte_width);
 
 		/* Copy the second integer (LSB first) after the first */
@@ -324,14 +320,11 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
 
 		/* Result of two Strings is a String */
 
-		new_length = (acpi_size) operand0->string.length +
-		    (acpi_size) local_operand1->string.length;
-		if (new_length > ACPI_MAX_STRING_CONVERSION) {
-			status = AE_AML_STRING_LIMIT;
-			goto cleanup;
-		}
-
-		return_desc = acpi_ut_create_string_object(new_length);
+		return_desc = acpi_ut_create_string_object((acpi_size)
+							   (operand0->string.
+							    length +
+							    local_operand1->
+							    string.length));
 		if (!return_desc) {
 			status = AE_NO_MEMORY;
 			goto cleanup;
@@ -351,11 +344,10 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
 		/* Result of two Buffers is a Buffer */
 
 		return_desc = acpi_ut_create_buffer_object((acpi_size)
-							   operand0->buffer.
-							   length +
-							   (acpi_size)
-							   local_operand1->
-							   buffer.length);
+							   (operand0->buffer.
+							    length +
+							    local_operand1->
+							    buffer.length));
 		if (!return_desc) {
 			status = AE_NO_MEMORY;
 			goto cleanup;
@@ -365,8 +357,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
 
 		/* Concatenate the buffers */
 
-		ACPI_MEMCPY(new_buf,
-			    operand0->buffer.pointer, operand0->buffer.length);
+		ACPI_MEMCPY(new_buf, operand0->buffer.pointer,
+			    operand0->buffer.length);
 		ACPI_MEMCPY(new_buf + operand0->buffer.length,
 			    local_operand1->buffer.pointer,
 			    local_operand1->buffer.length);
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index dff41121a304..7bb5e17b5680 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -216,7 +216,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
 				  *aml_address, aml_address));
 	}
 
-	*in_aml_address = (u8 *) aml_address;
+	*in_aml_address = ACPI_CAST_PTR(u8, aml_address);
 	return_ACPI_STATUS(status);
 }
 
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index 8d70c6beef00..d8472842c1fd 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -344,10 +344,6 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 		       (length < operand[1]->integer.value) &&
 		       (operand[0]->buffer.pointer[length])) {
 			length++;
-			if (length > ACPI_MAX_STRING_CONVERSION) {
-				status = AE_AML_STRING_LIMIT;
-				goto cleanup;
-			}
 		}
 
 		/* Allocate a new string object */
@@ -358,8 +354,10 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
 			goto cleanup;
 		}
 
-		/* Copy the raw buffer data with no transform. NULL terminated already */
-
+		/*
+		 * Copy the raw buffer data with no transform.
+		 * (NULL terminated already)
+		 */
 		ACPI_MEMCPY(return_desc->string.pointer,
 			    operand[0]->buffer.pointer, length);
 		break;
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 1897379b5f90..80118be3f544 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -199,20 +199,20 @@ acpi_ex_system_memory_space_handler(u32 function,
 		*value = 0;
 		switch (bit_width) {
 		case 8:
-			*value = (acpi_integer) * ((u8 *) logical_addr_ptr);
+			*value = (acpi_integer) ACPI_GET8(logical_addr_ptr);
 			break;
 
 		case 16:
-			*value = (acpi_integer) * ((u16 *) logical_addr_ptr);
+			*value = (acpi_integer) ACPI_GET16(logical_addr_ptr);
 			break;
 
 		case 32:
-			*value = (acpi_integer) * ((u32 *) logical_addr_ptr);
+			*value = (acpi_integer) ACPI_GET32(logical_addr_ptr);
 			break;
 
 #if ACPI_MACHINE_WIDTH != 16
 		case 64:
-			*value = (acpi_integer) * ((u64 *) logical_addr_ptr);
+			*value = (acpi_integer) ACPI_GET64(logical_addr_ptr);
 			break;
 #endif
 		default:
@@ -225,20 +225,20 @@ acpi_ex_system_memory_space_handler(u32 function,
 
 		switch (bit_width) {
 		case 8:
-			*(u8 *) logical_addr_ptr = (u8) * value;
+			ACPI_SET8(logical_addr_ptr) = (u8) * value;
 			break;
 
 		case 16:
-			*(u16 *) logical_addr_ptr = (u16) * value;
+			ACPI_SET16(logical_addr_ptr) = (u16) * value;
 			break;
 
 		case 32:
-			*(u32 *) logical_addr_ptr = (u32) * value;
+			ACPI_SET32(logical_addr_ptr) = (u32) * value;
 			break;
 
 #if ACPI_MACHINE_WIDTH != 16
 		case 64:
-			*(u64 *) logical_addr_ptr = (u64) * value;
+			ACPI_SET64(logical_addr_ptr) = (u64) * value;
 			break;
 #endif
 
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index c4ff654a6697..855db7130751 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -71,7 +71,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
 
 	/* We know that source_desc is a buffer by now */
 
-	buffer = (u8 *) source_desc->buffer.pointer;
+	buffer = ACPI_CAST_PTR(u8, source_desc->buffer.pointer);
 	length = source_desc->buffer.length;
 
 	/*
@@ -160,7 +160,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
 
 	/* We know that source_desc is a string by now */
 
-	buffer = (u8 *) source_desc->string.pointer;
+	buffer = ACPI_CAST_PTR(u8, source_desc->string.pointer);
 	length = source_desc->string.length;
 
 	/*
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index 562d0f822ab1..6eae35febccd 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -62,61 +62,51 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
  *
  * PARAMETERS:  parser_state        - Current parser state object
  *
- * RETURN:      Decoded package length.  On completion, the AML pointer points
+ * RETURN:      Decoded package length. On completion, the AML pointer points
  *              past the length byte or bytes.
  *
- * DESCRIPTION: Decode and return a package length field
+ * DESCRIPTION: Decode and return a package length field.
+ *              Note: Largest package length is 28 bits, from ACPI specification
  *
  ******************************************************************************/
 
 static u32
 acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
 {
-	u32 encoded_length;
-	u32 length = 0;
+	u8 *aml = parser_state->aml;
+	u32 package_length = 0;
+	acpi_native_uint byte_count;
+	u8 byte_zero_mask = 0x3F;	/* Default [0:5] */
 
 	ACPI_FUNCTION_TRACE("ps_get_next_package_length");
 
-	encoded_length = (u32) ACPI_GET8(parser_state->aml);
-	parser_state->aml++;
+	/*
+	 * Byte 0 bits [6:7] contain the number of additional bytes
+	 * used to encode the package length, either 0,1,2, or 3
+	 */
+	byte_count = (aml[0] >> 6);
+	parser_state->aml += (byte_count + 1);
 
-	switch (encoded_length >> 6) {	/* bits 6-7 contain encoding scheme */
-	case 0:		/* 1-byte encoding (bits 0-5) */
+	/* Get bytes 3, 2, 1 as needed */
 
-		length = (encoded_length & 0x3F);
-		break;
+	while (byte_count) {
+		/*
+		 * Final bit positions for the package length bytes:
+		 *      Byte3->[20:27]
+		 *      Byte2->[12:19]
+		 *      Byte1->[04:11]
+		 *      Byte0->[00:03]
+		 */
+		package_length |= (aml[byte_count] << ((byte_count << 3) - 4));
 
-	case 1:		/* 2-byte encoding (next byte + bits 0-3) */
-
-		length = ((ACPI_GET8(parser_state->aml) << 04) |
-			  (encoded_length & 0x0F));
-		parser_state->aml++;
-		break;
-
-	case 2:		/* 3-byte encoding (next 2 bytes + bits 0-3) */
-
-		length = ((ACPI_GET8(parser_state->aml + 1) << 12) |
-			  (ACPI_GET8(parser_state->aml) << 04) |
-			  (encoded_length & 0x0F));
-		parser_state->aml += 2;
-		break;
-
-	case 3:		/* 4-byte encoding (next 3 bytes + bits 0-3) */
-
-		length = ((ACPI_GET8(parser_state->aml + 2) << 20) |
-			  (ACPI_GET8(parser_state->aml + 1) << 12) |
-			  (ACPI_GET8(parser_state->aml) << 04) |
-			  (encoded_length & 0x0F));
-		parser_state->aml += 3;
-		break;
-
-	default:
-
-		/* Can't get here, only 2 bits / 4 cases */
-		break;
+		byte_zero_mask = 0x0F;	/* Use bits [0:3] of byte 0 */
+		byte_count--;
 	}
 
-	return_UINT32(length);
+	/* Byte 0 is a special case, either bits [0:3] or [0:5] are used */
+
+	package_length |= (aml[0] & byte_zero_mask);
+	return_UINT32(package_length);
 }
 
 /*******************************************************************************
@@ -135,16 +125,15 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
 u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state)
 {
 	u8 *start = parser_state->aml;
-	acpi_native_uint length;
+	u32 package_length;
 
 	ACPI_FUNCTION_TRACE("ps_get_next_package_end");
 
-	/* Function below changes parser_state->Aml */
+	/* Function below updates parser_state->Aml */
 
-	length =
-	    (acpi_native_uint) acpi_ps_get_next_package_length(parser_state);
+	package_length = acpi_ps_get_next_package_length(parser_state);
 
-	return_PTR(start + length);	/* end of package */
+	return_PTR(start + package_length);	/* end of package */
 }
 
 /*******************************************************************************
@@ -169,17 +158,15 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
 
 	ACPI_FUNCTION_TRACE("ps_get_next_namestring");
 
-	/* Handle multiple prefix characters */
-
-	while (acpi_ps_is_prefix_char(ACPI_GET8(end))) {
-		/* Include prefix '\\' or '^' */
+	/* Point past any namestring prefix characters (backslash or carat) */
 
+	while (acpi_ps_is_prefix_char(*end)) {
 		end++;
 	}
 
-	/* Decode the path */
+	/* Decode the path prefix character */
 
-	switch (ACPI_GET8(end)) {
+	switch (*end) {
 	case 0:
 
 		/* null_name */
@@ -199,9 +186,9 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
 
 	case AML_MULTI_NAME_PREFIX_OP:
 
-		/* Multiple name segments, 4 chars each */
+		/* Multiple name segments, 4 chars each, count in next byte */
 
-		end += 2 + ((acpi_size) ACPI_GET8(end + 1) * ACPI_NAME_SIZE);
+		end += 2 + (*(end + 1) * ACPI_NAME_SIZE);
 		break;
 
 	default:
@@ -212,7 +199,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
 		break;
 	}
 
-	parser_state->aml = (u8 *) end;
+	parser_state->aml = end;
 	return_PTR((char *)start);
 }
 
@@ -342,7 +329,6 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
 				    ("search_node %p start_node %p return_node %p\n",
 				     scope_info.scope.node,
 				     parser_state->start_node, node);
-
 			} else {
 				/*
 				 * We got a NOT_FOUND during table load or we encountered
@@ -382,59 +368,63 @@ void
 acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
 			    u32 arg_type, union acpi_parse_object *arg)
 {
+	u32 length;
+	u16 opcode;
+	u8 *aml = parser_state->aml;
 
 	ACPI_FUNCTION_TRACE_U32("ps_get_next_simple_arg", arg_type);
 
 	switch (arg_type) {
 	case ARGP_BYTEDATA:
 
-		acpi_ps_init_op(arg, AML_BYTE_OP);
-		arg->common.value.integer = (u32) ACPI_GET8(parser_state->aml);
-		parser_state->aml++;
+		/* Get 1 byte from the AML stream */
+
+		opcode = AML_BYTE_OP;
+		arg->common.value.integer = (acpi_integer) * aml;
+		length = 1;
 		break;
 
 	case ARGP_WORDDATA:
 
-		acpi_ps_init_op(arg, AML_WORD_OP);
-
 		/* Get 2 bytes from the AML stream */
 
-		ACPI_MOVE_16_TO_32(&arg->common.value.integer,
-				   parser_state->aml);
-		parser_state->aml += 2;
+		opcode = AML_WORD_OP;
+		ACPI_MOVE_16_TO_64(&arg->common.value.integer, aml);
+		length = 2;
 		break;
 
 	case ARGP_DWORDDATA:
 
-		acpi_ps_init_op(arg, AML_DWORD_OP);
-
 		/* Get 4 bytes from the AML stream */
 
-		ACPI_MOVE_32_TO_32(&arg->common.value.integer,
-				   parser_state->aml);
-		parser_state->aml += 4;
+		opcode = AML_DWORD_OP;
+		ACPI_MOVE_32_TO_64(&arg->common.value.integer, aml);
+		length = 4;
 		break;
 
 	case ARGP_QWORDDATA:
 
-		acpi_ps_init_op(arg, AML_QWORD_OP);
-
 		/* Get 8 bytes from the AML stream */
 
-		ACPI_MOVE_64_TO_64(&arg->common.value.integer,
-				   parser_state->aml);
-		parser_state->aml += 8;
+		opcode = AML_QWORD_OP;
+		ACPI_MOVE_64_TO_64(&arg->common.value.integer, aml);
+		length = 8;
 		break;
 
 	case ARGP_CHARLIST:
 
-		acpi_ps_init_op(arg, AML_STRING_OP);
-		arg->common.value.string = (char *)parser_state->aml;
+		/* Get a pointer to the string, point past the string */
 
-		while (ACPI_GET8(parser_state->aml) != '\0') {
-			parser_state->aml++;
+		opcode = AML_STRING_OP;
+		arg->common.value.string = ACPI_CAST_PTR(char, aml);
+
+		/* Find the null terminator */
+
+		length = 0;
+		while (aml[length]) {
+			length++;
 		}
-		parser_state->aml++;
+		length++;
 		break;
 
 	case ARGP_NAME:
@@ -443,14 +433,16 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
 		acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP);
 		arg->common.value.name =
 		    acpi_ps_get_next_namestring(parser_state);
-		break;
+		return_VOID;
 
 	default:
 
 		ACPI_REPORT_ERROR(("Invalid arg_type %X\n", arg_type));
-		break;
+		return_VOID;
 	}
 
+	acpi_ps_init_op(arg, opcode);
+	parser_state->aml += length;
 	return_VOID;
 }
 
@@ -540,7 +532,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
 		 * access_type is first operand, access_attribute is second
 		 */
 		field->common.value.integer =
-		    (ACPI_GET8(parser_state->aml) << 8);
+		    (((u32) ACPI_GET8(parser_state->aml) << 8));
 		parser_state->aml++;
 		field->common.value.integer |= ACPI_GET8(parser_state->aml);
 		parser_state->aml++;
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index 76d4d640d83c..7cfa7eb0dfc7 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -503,22 +503,23 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
 		} else if (status == AE_CTRL_TERMINATE) {
 			status = AE_OK;
 		} else if ((status != AE_OK) && (walk_state->method_desc)) {
-			ACPI_REPORT_METHOD_ERROR("Method execution failed",
-						 walk_state->method_node, NULL,
-						 status);
+			/* Either the method parse or actual execution failed */
 
-			/* Ensure proper cleanup */
-
-			walk_state->parse_flags |= ACPI_PARSE_EXECUTE;
+			ACPI_REPORT_METHOD_ERROR
+			    ("Method parse/execution failed",
+			     walk_state->method_node, NULL, status);
 
 			/* Check for possible multi-thread reentrancy problem */
 
 			if ((status == AE_ALREADY_EXISTS) &&
 			    (!walk_state->method_desc->method.semaphore)) {
 				/*
-				 * This method is marked not_serialized, but it tried to create
+				 * Method tried to create an object twice. The probable cause is
+				 * that the method cannot handle reentrancy.
+				 *
+				 * The method is marked not_serialized, but it tried to create
 				 * a named object, causing the second thread entrance to fail.
-				 * We will workaround this by marking the method permanently
+				 * Workaround this problem by marking the method permanently
 				 * as Serialized.
 				 */
 				walk_state->method_desc->method.method_flags |=
@@ -536,15 +537,22 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
 		acpi_ds_scope_stack_clear(walk_state);
 
 		/*
-		 * If we just returned from the execution of a control method,
-		 * there's lots of cleanup to do
+		 * If we just returned from the execution of a control method or if we
+		 * encountered an error during the method parse phase, there's lots of
+		 * cleanup to do
 		 */
-		if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
-		    ACPI_PARSE_EXECUTE) {
+		if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
+		     ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
 			if (walk_state->method_desc) {
 				/* Decrement the thread count on the method parse tree */
 
-				walk_state->method_desc->method.thread_count--;
+				if (walk_state->method_desc->method.
+				    thread_count) {
+					walk_state->method_desc->method.
+					    thread_count--;
+				} else {
+					ACPI_REPORT_ERROR(("Invalid zero thread count in method\n"));
+				}
 			}
 
 			acpi_ds_terminate_control_method(walk_state);
@@ -553,7 +561,6 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
 		/* Delete this walk state and all linked control states */
 
 		acpi_ps_cleanup_scope(&walk_state->parser_state);
-
 		previous_walk_state = walk_state;
 
 		ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 4c426f4c6af6..14d544d60867 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -87,7 +87,7 @@ acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags)
 
 	/* TBDs: Validate name, allow full path or just nameseg */
 
-	acpi_gbl_trace_method_name = *(u32 *) name;
+	acpi_gbl_trace_method_name = *ACPI_CAST_PTR(u32, name);
 	acpi_gbl_trace_flags = flags;
 
 	if (debug_level) {
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index eca7439ee9da..c2c4d9079c6c 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -300,7 +300,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
 		/* Point to the next object */
 
 		resource =
-		    ACPI_PTR_ADD(struct acpi_resource, resource,
+		    ACPI_ADD_PTR(struct acpi_resource, resource,
 				 resource->length);
 	}
 
@@ -374,8 +374,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
 			 * Get the number of bits set in the 16-bit IRQ mask
 			 */
 			ACPI_MOVE_16_TO_16(&temp16, buffer);
-			extra_struct_bytes =
-			    acpi_rs_count_set_bits(temp16) * sizeof(u32);
+			extra_struct_bytes = acpi_rs_count_set_bits(temp16);
 			break;
 
 		case ACPI_RESOURCE_NAME_DMA:
@@ -383,8 +382,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
 			 * DMA Resource:
 			 * Get the number of bits set in the 8-bit DMA mask
 			 */
-			extra_struct_bytes =
-			    acpi_rs_count_set_bits(*buffer) * sizeof(u32);
+			extra_struct_bytes = acpi_rs_count_set_bits(*buffer);
 			break;
 
 		case ACPI_RESOURCE_NAME_VENDOR_SMALL:
@@ -399,9 +397,9 @@ acpi_rs_get_list_length(u8 * aml_buffer,
 
 		case ACPI_RESOURCE_NAME_END_TAG:
 			/*
-			 * End Tag: This is the normal exit
+			 * End Tag: This is the normal exit, add size of end_tag
 			 */
-			*size_needed = buffer_size;
+			*size_needed = buffer_size + ACPI_RS_SIZE_MIN;
 			return_ACPI_STATUS(AE_OK);
 
 		case ACPI_RESOURCE_NAME_VENDOR_LARGE:
@@ -466,7 +464,7 @@ acpi_rs_get_list_length(u8 * aml_buffer,
 
 		temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] +
 				extra_struct_bytes);
-		buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE(temp16);
+		buffer_size += (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(temp16);
 
 		/*
 		 * Point to the next resource within the stream
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index f617ca80c5a6..cebd890d3db5 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -383,7 +383,7 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
 
 	while (count) {
 		previous_target = target;
-		target = ((u8 *) resource) + table->offset;
+		target = ACPI_ADD_PTR(u8, resource, table->offset);
 		name = table->name;
 
 		switch (table->opcode) {
@@ -410,22 +410,19 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
 			/* Data items, 8/16/32/64 bit */
 
 		case ACPI_RSD_UINT8:
-			acpi_rs_out_integer8(name, *ACPI_CAST_PTR(u8, target));
+			acpi_rs_out_integer8(name, ACPI_GET8(target));
 			break;
 
 		case ACPI_RSD_UINT16:
-			acpi_rs_out_integer16(name,
-					      *ACPI_CAST_PTR(u16, target));
+			acpi_rs_out_integer16(name, ACPI_GET16(target));
 			break;
 
 		case ACPI_RSD_UINT32:
-			acpi_rs_out_integer32(name,
-					      *ACPI_CAST_PTR(u32, target));
+			acpi_rs_out_integer32(name, ACPI_GET32(target));
 			break;
 
 		case ACPI_RSD_UINT64:
-			acpi_rs_out_integer64(name,
-					      *ACPI_CAST_PTR(u64, target));
+			acpi_rs_out_integer64(name, ACPI_GET64(target));
 			break;
 
 			/* Flags: 1-bit and 2-bit flags supported */
@@ -462,8 +459,8 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
 			 * Note: The list length is obtained from the previous table entry
 			 */
 			if (previous_target) {
-				acpi_rs_dump_byte_list(*ACPI_CAST_PTR
-						       (u16, previous_target),
+				acpi_rs_dump_byte_list(ACPI_GET16
+						       (previous_target),
 						       target);
 			}
 			break;
@@ -634,7 +631,7 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
 		/* Point to the next resource structure */
 
 		resource_list =
-		    ACPI_PTR_ADD(struct acpi_resource, resource_list,
+		    ACPI_ADD_PTR(struct acpi_resource, resource_list,
 				 resource_list->length);
 
 		/* Exit when END_TAG descriptor is reached */
@@ -675,9 +672,8 @@ void acpi_rs_dump_irq_list(u8 * route_table)
 			       count);
 		acpi_rs_dump_descriptor(prt_element, acpi_rs_dump_prt);
 
-		prt_element = ACPI_CAST_PTR(struct acpi_pci_routing_table,
-					    ((u8 *) prt_element) +
-					    prt_element->length);
+		prt_element = ACPI_ADD_PTR(struct acpi_pci_routing_table,
+					   prt_element, prt_element->length);
 	}
 }
 
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index b83996233c1d..573c06705641 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -112,7 +112,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer)
 		/* Point to the next structure in the output buffer */
 
 		resource =
-		    ACPI_PTR_ADD(struct acpi_resource, resource,
+		    ACPI_ADD_PTR(struct acpi_resource, resource,
 				 resource->length);
 	}
 
@@ -201,7 +201,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
 		/* Point to the next input resource descriptor */
 
 		resource =
-		    ACPI_PTR_ADD(struct acpi_resource, resource,
+		    ACPI_ADD_PTR(struct acpi_resource, resource,
 				 resource->length);
 	}
 
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index 16ad3bfbee2a..e1b5aa2af9a5 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -104,8 +104,9 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 		 * Source is the external AML byte stream buffer,
 		 * destination is the internal resource descriptor
 		 */
-		source = ((u8 *) aml) + info->aml_offset;
-		destination = ((u8 *) resource) + info->resource_offset;
+		source = ACPI_ADD_PTR(void, aml, info->aml_offset);
+		destination =
+		    ACPI_ADD_PTR(void, resource, info->resource_offset);
 
 		switch (info->opcode) {
 		case ACPI_RSC_INITGET:
@@ -129,22 +130,22 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 			/*
 			 * Mask and shift the flag bit
 			 */
-			*((u8 *) destination) = (u8)
-			    ((*((u8 *) source) >> info->value) & 0x01);
+			ACPI_SET8(destination) = (u8)
+			    ((ACPI_GET8(source) >> info->value) & 0x01);
 			break;
 
 		case ACPI_RSC_2BITFLAG:
 			/*
 			 * Mask and shift the flag bits
 			 */
-			*((u8 *) destination) = (u8)
-			    ((*((u8 *) source) >> info->value) & 0x03);
+			ACPI_SET8(destination) = (u8)
+			    ((ACPI_GET8(source) >> info->value) & 0x03);
 			break;
 
 		case ACPI_RSC_COUNT:
 
-			item_count = *((u8 *) source);
-			*((u8 *) destination) = (u8) item_count;
+			item_count = ACPI_GET8(source);
+			ACPI_SET8(destination) = (u8) item_count;
 
 			resource->length = resource->length +
 			    (info->value * (item_count - 1));
@@ -153,7 +154,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 		case ACPI_RSC_COUNT16:
 
 			item_count = aml_resource_length;
-			*((u16 *) destination) = item_count;
+			ACPI_SET16(destination) = item_count;
 
 			resource->length = resource->length +
 			    (info->value * (item_count - 1));
@@ -186,9 +187,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 
 		case ACPI_RSC_DATA8:
 
-			target = ((char *)resource) + info->value;
-			ACPI_MEMCPY(destination, source,
-				    *(ACPI_CAST_PTR(u16, target)));
+			target = ACPI_ADD_PTR(char, resource, info->value);
+			ACPI_MEMCPY(destination, source, ACPI_GET16(target));
 			break;
 
 		case ACPI_RSC_ADDRESS:
@@ -217,8 +217,8 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 			 * complicated case used by the Interrupt() macro
 			 */
 			target =
-			    ((char *)resource) + info->aml_offset +
-			    (item_count * 4);
+			    ACPI_ADD_PTR(char, resource,
+					 info->aml_offset + (item_count * 4));
 
 			resource->length +=
 			    acpi_rs_get_resource_source(aml_resource_length,
@@ -230,15 +230,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 			 * 8-bit encoded bitmask (DMA macro)
 			 */
 			item_count =
-			    acpi_rs_decode_bitmask(*((u8 *) source),
+			    acpi_rs_decode_bitmask(ACPI_GET8(source),
 						   destination);
 			if (item_count) {
-				resource->length +=
-				    resource->length + (item_count - 1);
+				resource->length += (item_count - 1);
 			}
 
-			target = ((char *)resource) + info->value;
-			*((u8 *) target) = (u8) item_count;
+			target = ACPI_ADD_PTR(char, resource, info->value);
+			ACPI_SET8(target) = (u8) item_count;
 			break;
 
 		case ACPI_RSC_BITMASK16:
@@ -250,12 +249,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 			item_count =
 			    acpi_rs_decode_bitmask(temp16, destination);
 			if (item_count) {
-				resource->length =
-				    resource->length + (item_count - 1);
+				resource->length += (item_count - 1);
 			}
 
-			target = ((char *)resource) + info->value;
-			*((u8 *) target) = (u8) item_count;
+			target = ACPI_ADD_PTR(char, resource, info->value);
+			ACPI_SET8(target) = (u8) item_count;
 			break;
 
 		case ACPI_RSC_EXIT_NE:
@@ -270,7 +268,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
 				break;
 
 			case ACPI_RSC_COMPARE_VALUE:
-				if (*((u8 *) source) != info->value) {
+				if (ACPI_GET8(source) != info->value) {
 					goto exit;
 				}
 				break;
@@ -349,8 +347,8 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 		 * Source is the internal resource descriptor,
 		 * destination is the external AML byte stream buffer
 		 */
-		source = ((u8 *) resource) + info->resource_offset;
-		destination = ((u8 *) aml) + info->aml_offset;
+		source = ACPI_ADD_PTR(void, resource, info->resource_offset);
+		destination = ACPI_ADD_PTR(void, aml, info->aml_offset);
 
 		switch (info->opcode) {
 		case ACPI_RSC_INITSET:
@@ -368,37 +366,38 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 			/*
 			 * Clear the flag byte
 			 */
-			*((u8 *) destination) = 0;
+			ACPI_SET8(destination) = 0;
 			break;
 
 		case ACPI_RSC_1BITFLAG:
 			/*
 			 * Mask and shift the flag bit
 			 */
-			*((u8 *) destination) |= (u8)
-			    ((*((u8 *) source) & 0x01) << info->value);
+			ACPI_SET8(destination) |= (u8)
+			    ((ACPI_GET8(source) & 0x01) << info->value);
 			break;
 
 		case ACPI_RSC_2BITFLAG:
 			/*
 			 * Mask and shift the flag bits
 			 */
-			*((u8 *) destination) |= (u8)
-			    ((*((u8 *) source) & 0x03) << info->value);
+			ACPI_SET8(destination) |= (u8)
+			    ((ACPI_GET8(source) & 0x03) << info->value);
 			break;
 
 		case ACPI_RSC_COUNT:
 
-			item_count = *((u8 *) source);
-			*((u8 *) destination) = (u8) item_count;
+			item_count = ACPI_GET8(source);
+			ACPI_SET8(destination) = (u8) item_count;
 
-			aml_length = (u16) (aml_length +
-					    (info->value * (item_count - 1)));
+			aml_length =
+			    (u16) (aml_length +
+				   (info->value * (item_count - 1)));
 			break;
 
 		case ACPI_RSC_COUNT16:
 
-			item_count = *((u16 *) source);
+			item_count = ACPI_GET16(source);
 			aml_length = (u16) (aml_length + item_count);
 			acpi_rs_set_resource_length(aml_length, aml);
 			break;
@@ -453,20 +452,21 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 			/*
 			 * 8-bit encoded bitmask (DMA macro)
 			 */
-			*((u8 *) destination) = (u8)
+			ACPI_SET8(destination) = (u8)
 			    acpi_rs_encode_bitmask(source,
-						   *(((u8 *) resource) +
-						     info->value));
+						   *ACPI_ADD_PTR(u8, resource,
+								 info->value));
 			break;
 
 		case ACPI_RSC_BITMASK16:
 			/*
 			 * 16-bit encoded bitmask (IRQ macro)
 			 */
-			temp16 =
-			    acpi_rs_encode_bitmask(source,
-						   *(((u8 *) resource) +
-						     info->value));
+			temp16 = acpi_rs_encode_bitmask(source,
+							*ACPI_ADD_PTR(u8,
+								      resource,
+								      info->
+								      value));
 			ACPI_MOVE_16_TO_16(destination, &temp16);
 			break;
 
@@ -485,9 +485,9 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
 			 */
 			switch (COMPARE_OPCODE(info)) {
 			case ACPI_RSC_COMPARE_VALUE:
-				if (*
-				    ((u8 *) (((u8 *) resource) +
-					     COMPARE_TARGET(info))) !=
+
+				if (*ACPI_ADD_PTR(u8, resource,
+						  COMPARE_TARGET(info)) !=
 				    COMPARE_VALUE(info)) {
 					goto exit;
 				}
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index a1eac0f1df54..2236a0c90daa 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -152,18 +152,18 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
 			 * misaligned memory transfers
 			 */
 		case ACPI_RSC_MOVE16:
-			ACPI_MOVE_16_TO_16(&((u16 *) destination)[i],
-					   &((u16 *) source)[i]);
+			ACPI_MOVE_16_TO_16(&ACPI_CAST_PTR(u16, destination)[i],
+					   &ACPI_CAST_PTR(u16, source)[i]);
 			break;
 
 		case ACPI_RSC_MOVE32:
-			ACPI_MOVE_32_TO_32(&((u32 *) destination)[i],
-					   &((u32 *) source)[i]);
+			ACPI_MOVE_32_TO_32(&ACPI_CAST_PTR(u32, destination)[i],
+					   &ACPI_CAST_PTR(u32, source)[i]);
 			break;
 
 		case ACPI_RSC_MOVE64:
-			ACPI_MOVE_64_TO_64(&((u64 *) destination)[i],
-					   &((u64 *) source)[i]);
+			ACPI_MOVE_64_TO_64(&ACPI_CAST_PTR(u64, destination)[i],
+					   &ACPI_CAST_PTR(u64, source)[i]);
 			break;
 
 		default:
@@ -318,7 +318,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
 
 	total_length =
 	    resource_length + sizeof(struct aml_resource_large_header);
-	aml_resource_source = ((u8 *) aml) + minimum_length;
+	aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
 
 	/*
 	 * resource_source is present if the length of the descriptor is longer than
@@ -338,9 +338,9 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
 			 * String destination pointer is not specified; Set the String
 			 * pointer to the end of the current resource_source structure.
 			 */
-			resource_source->string_ptr = (char *)
-			    ((u8 *) resource_source) +
-			    sizeof(struct acpi_resource_source);
+			resource_source->string_ptr =
+			    ACPI_ADD_PTR(char, resource_source,
+					 sizeof(struct acpi_resource_source));
 		}
 
 		/*
@@ -407,7 +407,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
 	if (resource_source->string_length) {
 		/* Point to the end of the AML descriptor */
 
-		aml_resource_source = ((u8 *) aml) + minimum_length;
+		aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
 
 		/* Copy the resource_source_index */
 
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 09d250ab9872..50a956b705b0 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -64,6 +64,10 @@ ACPI_MODULE_NAME("rsxface")
 	ACPI_COPY_FIELD(out, in, translation_offset);        \
 	ACPI_COPY_FIELD(out, in, address_length);            \
 	ACPI_COPY_FIELD(out, in, resource_source);
+/* Local prototypes */
+static acpi_status
+acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_get_irq_routing_table
@@ -86,6 +90,7 @@ ACPI_MODULE_NAME("rsxface")
  *              the object indicated by the passed device_handle.
  *
  ******************************************************************************/
+
 acpi_status
 acpi_get_irq_routing_table(acpi_handle device_handle,
 			   struct acpi_buffer *ret_buffer)
@@ -222,12 +227,12 @@ EXPORT_SYMBOL(acpi_get_possible_resources);
  *
  * FUNCTION:    acpi_walk_resources
  *
- * PARAMETERS:  device_handle   - a handle to the device object for the
+ * PARAMETERS:  device_handle   - Handle to the device object for the
  *                                device we are querying
- *              Path            - method name of the resources we want
+ *              Name            - Method name of the resources we want
  *                                (METHOD_NAME__CRS or METHOD_NAME__PRS)
- *              user_function   - called for each resource
- *              Context         - passed to user_function
+ *              user_function   - Called for each resource
+ *              Context         - Passed to user_function
  *
  * RETURN:      Status
  *
@@ -239,79 +244,74 @@ EXPORT_SYMBOL(acpi_get_possible_resources);
 
 acpi_status
 acpi_walk_resources(acpi_handle device_handle,
-		    char *path,
+		    char *name,
 		    ACPI_WALK_RESOURCE_CALLBACK user_function, void *context)
 {
 	acpi_status status;
-	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	struct acpi_buffer buffer;
 	struct acpi_resource *resource;
-	struct acpi_resource *buffer_end;
+	struct acpi_resource *resource_end;
 
 	ACPI_FUNCTION_TRACE("acpi_walk_resources");
 
-	if (!device_handle ||
-	    (ACPI_STRNCMP(path, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
-	     ACPI_STRNCMP(path, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
+	/* Parameter validation */
+
+	if (!device_handle || !user_function || !name ||
+	    (ACPI_STRNCMP(name, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
+	     ACPI_STRNCMP(name, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
-	status = acpi_rs_get_method_data(device_handle, path, &buffer);
+	/* Get the _CRS or _PRS resource list */
+
+	buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+	status = acpi_rs_get_method_data(device_handle, name, &buffer);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
 
-	/* Setup pointers */
+	/* Buffer now contains the resource list */
 
-	resource = (struct acpi_resource *)buffer.pointer;
-	buffer_end = ACPI_CAST_PTR(struct acpi_resource,
-				   ((u8 *) buffer.pointer + buffer.length));
+	resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
+	resource_end =
+	    ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
 
-	/* Walk the resource list */
+	/* Walk the resource list until the end_tag is found (or buffer end) */
 
-	for (;;) {
-		if (!resource || resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+	while (resource < resource_end) {
+		/* Sanity check the resource */
+
+		if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
+			status = AE_AML_INVALID_RESOURCE_TYPE;
 			break;
 		}
 
+		/* Invoke the user function, abort on any error returned */
+
 		status = user_function(resource, context);
+		if (ACPI_FAILURE(status)) {
+			if (status == AE_CTRL_TERMINATE) {
+				/* This is an OK termination by the user function */
 
-		switch (status) {
-		case AE_OK:
-		case AE_CTRL_DEPTH:
-
-			/* Just keep going */
-
-			status = AE_OK;
+				status = AE_OK;
+			}
 			break;
+		}
 
-		case AE_CTRL_TERMINATE:
+		/* end_tag indicates end-of-list */
 
-			/* Exit now, with OK stats */
-
-			status = AE_OK;
-			goto cleanup;
-
-		default:
-
-			/* All others are valid exceptions */
-
-			goto cleanup;
+		if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
+			break;
 		}
 
 		/* Get the next resource descriptor */
 
-		resource = ACPI_NEXT_RESOURCE(resource);
-
-		/* Check for end-of-buffer */
-
-		if (resource >= buffer_end) {
-			goto cleanup;
-		}
+		resource =
+		    ACPI_ADD_PTR(struct acpi_resource, resource,
+				 resource->length);
 	}
 
-      cleanup:
-
-	acpi_os_free(buffer.pointer);
+	ACPI_MEM_FREE(buffer.pointer);
 	return_ACPI_STATUS(status);
 }
 
@@ -381,6 +381,12 @@ acpi_resource_to_address64(struct acpi_resource *resource,
 	struct acpi_resource_address16 *address16;
 	struct acpi_resource_address32 *address32;
 
+	if (!resource || !out) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/* Convert 16 or 32 address descriptor to 64 */
+
 	switch (resource->type) {
 	case ACPI_RESOURCE_TYPE_ADDRESS16:
 
@@ -410,3 +416,113 @@ acpi_resource_to_address64(struct acpi_resource *resource,
 }
 
 EXPORT_SYMBOL(acpi_resource_to_address64);
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_get_vendor_resource
+ *
+ * PARAMETERS:  device_handle       - Handle for the parent device object
+ *              Name                - Method name for the parent resource
+ *                                    (METHOD_NAME__CRS or METHOD_NAME__PRS)
+ *              Uuid                - Pointer to the UUID to be matched.
+ *                                    includes both subtype and 16-byte UUID
+ *              ret_buffer          - Where the vendor resource is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Walk a resource template for the specified evice to find a
+ *              vendor-defined resource that matches the supplied UUID and
+ *              UUID subtype. Returns a struct acpi_resource of type Vendor.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_get_vendor_resource(acpi_handle device_handle,
+			 char *name,
+			 struct acpi_vendor_uuid * uuid,
+			 struct acpi_buffer * ret_buffer)
+{
+	struct acpi_vendor_walk_info info;
+	acpi_status status;
+
+	/* Other parameters are validated by acpi_walk_resources */
+
+	if (!uuid || !ret_buffer) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	info.uuid = uuid;
+	info.buffer = ret_buffer;
+	info.status = AE_NOT_EXIST;
+
+	/* Walk the _CRS or _PRS resource list for this device */
+
+	status =
+	    acpi_walk_resources(device_handle, name,
+				acpi_rs_match_vendor_resource, &info);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	return (info.status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_rs_match_vendor_resource
+ *
+ * PARAMETERS:  ACPI_WALK_RESOURCE_CALLBACK
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
+{
+	struct acpi_vendor_walk_info *info = context;
+	struct acpi_resource_vendor_typed *vendor;
+	struct acpi_buffer *buffer;
+	acpi_status status;
+
+	/* Ignore all descriptors except Vendor */
+
+	if (resource->type != ACPI_RESOURCE_TYPE_VENDOR) {
+		return (AE_OK);
+	}
+
+	vendor = &resource->data.vendor_typed;
+
+	/*
+	 * For a valid match, these conditions must hold:
+	 *
+	 * 1) Length of descriptor data must be at least as long as a UUID struct
+	 * 2) The UUID subtypes must match
+	 * 3) The UUID data must match
+	 */
+	if ((vendor->byte_length < (ACPI_UUID_LENGTH + 1)) ||
+	    (vendor->uuid_subtype != info->uuid->subtype) ||
+	    (ACPI_MEMCMP(vendor->uuid, info->uuid->data, ACPI_UUID_LENGTH))) {
+		return (AE_OK);
+	}
+
+	/* Validate/Allocate/Clear caller buffer */
+
+	buffer = info->buffer;
+	status = acpi_ut_initialize_buffer(buffer, resource->length);
+	if (ACPI_FAILURE(status)) {
+		return (status);
+	}
+
+	/* Found the correct resource, copy and return it */
+
+	ACPI_MEMCPY(buffer->pointer, resource, resource->length);
+	buffer->length = resource->length;
+
+	/* Found the desired descriptor, terminate resource walk */
+
+	info->status = AE_OK;
+	return (AE_CTRL_TERMINATE);
+}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 31218e1d2a18..e332306ae2b9 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -844,7 +844,7 @@ static void acpi_device_set_id(struct acpi_device *device,
 	 * ----
 	 * Fix for the system root bus device -- the only root-level device.
 	 */
-	if ((parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) {
+	if (((acpi_handle)parent == ACPI_ROOT_OBJECT) && (type == ACPI_BUS_TYPE_DEVICE)) {
 		hid = ACPI_BUS_HID;
 		strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
 		strcpy(device->pnp.device_class, ACPI_BUS_CLASS);
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index a03939399fa9..cd33397d9231 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -554,7 +554,9 @@ acpi_status acpi_tb_convert_table_fadt(void)
 	ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
 			  "Hex dump of common internal FADT, size %d (%X)\n",
 			  acpi_gbl_FADT->length, acpi_gbl_FADT->length));
-	ACPI_DUMP_BUFFER((u8 *) (acpi_gbl_FADT), acpi_gbl_FADT->length);
+
+	ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_FADT),
+			 acpi_gbl_FADT->length);
 
 	return_ACPI_STATUS(AE_OK);
 }
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
index 8d72343537e7..33c9ed8a6f99 100644
--- a/drivers/acpi/tables/tbgetall.c
+++ b/drivers/acpi/tables/tbgetall.c
@@ -292,7 +292,9 @@ acpi_status acpi_tb_get_required_tables(void)
 			  "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);
+
+	ACPI_DUMP_BUFFER(ACPI_CAST_PTR(u8, acpi_gbl_DSDT),
+			 acpi_gbl_DSDT->length);
 
 	/* Always delete the RSDP mapping, we are done with it */
 
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index e6dfe688b76b..9d0bf536d674 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -240,16 +240,16 @@ acpi_tb_verify_table_checksum(struct acpi_table_header * table_header)
 
 u8 acpi_tb_generate_checksum(void *buffer, u32 length)
 {
-	const u8 *limit;
-	const u8 *rover;
+	u8 *end_buffer;
+	u8 *rover;
 	u8 sum = 0;
 
 	if (buffer && length) {
 		/*  Buffer and Length are valid   */
 
-		limit = (u8 *) buffer + length;
+		end_buffer = ACPI_ADD_PTR(u8, buffer, length);
 
-		for (rover = buffer; rover < limit; rover++) {
+		for (rover = buffer; rover < end_buffer; rover++) {
 			sum = (u8) (sum + *rover);
 		}
 	}
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 5442b32de611..568df9e42f89 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -398,14 +398,17 @@ acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object,
 		 * Build a simple object (no nested objects)
 		 */
 		status = acpi_ut_copy_isimple_to_esimple(internal_object,
-							 (union acpi_object *)
-							 ret_buffer->pointer,
-							 ((u8 *) ret_buffer->
-							  pointer +
-							  ACPI_ROUND_UP_TO_NATIVE_WORD
-							  (sizeof
-							   (union
-							    acpi_object))),
+							 ACPI_CAST_PTR(union
+								       acpi_object,
+								       ret_buffer->
+								       pointer),
+							 ACPI_ADD_PTR(u8,
+								      ret_buffer->
+								      pointer,
+								      ACPI_ROUND_UP_TO_NATIVE_WORD
+								      (sizeof
+								       (union
+									acpi_object))),
 							 &ret_buffer->length);
 		/*
 		 * build simple does not include the object size in the length
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 413e1dd8ae36..d6813d88a104 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -638,7 +638,7 @@ char *acpi_ut_get_node_name(void *object)
 
 	/* Name must be a valid ACPI name */
 
-	if (!acpi_ut_valid_acpi_name(*(u32 *) node->name.ascii)) {
+	if (!acpi_ut_valid_acpi_name(node->name.integer)) {
 		return ("????");
 	}
 
@@ -831,6 +831,7 @@ void acpi_ut_init_globals(void)
 	acpi_gbl_ps_find_count = 0;
 	acpi_gbl_acpi_hardware_present = TRUE;
 	acpi_gbl_owner_id_mask = 0;
+	acpi_gbl_last_owner_id = 0;
 	acpi_gbl_trace_method_name = 0;
 	acpi_gbl_trace_dbg_level = 0;
 	acpi_gbl_trace_dbg_layer = 0;
@@ -845,7 +846,6 @@ void acpi_ut_init_globals(void)
 	/* Namespace */
 
 	acpi_gbl_root_node = NULL;
-
 	acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
 	acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED;
 	acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 2a9110c06391..89efba7bf449 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -63,6 +63,7 @@ ACPI_MODULE_NAME("utmisc")
 acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
 {
 	acpi_native_uint i;
+	acpi_native_uint j;
 	acpi_status status;
 
 	ACPI_FUNCTION_TRACE("ut_allocate_owner_id");
@@ -82,29 +83,46 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
 		return_ACPI_STATUS(status);
 	}
 
-	/* Find a free owner ID */
+	/*
+	 * Find a free owner ID, cycle through all possible IDs on repeated
+	 * allocations. Note: Index for next possible ID is equal to the value
+	 * of the last allocated ID.
+	 */
+	for (i = 0, j = acpi_gbl_last_owner_id; i < 32; i++, j++) {
+		if (j >= 32) {
+			j = 0;	/* Wraparound to ID start */
+		}
+
+		if (!(acpi_gbl_owner_id_mask & (1 << j))) {
+			/*
+			 * Found a free ID. The actual ID is the bit index plus one,
+			 * making zero an invalid Owner ID. Save this as the last ID
+			 * allocated and update the global ID mask.
+			 */
+			acpi_gbl_last_owner_id = (acpi_owner_id) (j + 1);
+			*owner_id = acpi_gbl_last_owner_id;
 
-	for (i = 0; i < 32; i++) {
-		if (!(acpi_gbl_owner_id_mask & (1 << i))) {
 			ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
 					  "Current owner_id mask: %8.8X New ID: %2.2X\n",
 					  acpi_gbl_owner_id_mask,
-					  (unsigned int)(i + 1)));
+					  (unsigned int)
+					  acpi_gbl_last_owner_id));
 
-			acpi_gbl_owner_id_mask |= (1 << i);
-			*owner_id = (acpi_owner_id) (i + 1);
+			acpi_gbl_owner_id_mask |= (1 << j);
 			goto exit;
 		}
 	}
 
 	/*
-	 * If we are here, all owner_ids have been allocated. This probably should
+	 * All owner_ids have been allocated. This typically should
 	 * not happen since the IDs are reused after deallocation. The IDs are
 	 * allocated upon table load (one per table) and method execution, and
 	 * they are released when a table is unloaded or a method completes
 	 * execution.
+	 *
+	 * If this error happens, there may be very deep nesting of invoked control
+	 * methods, or there may be a bug where the IDs are not released.
 	 */
-	*owner_id = 0;
 	status = AE_OWNER_ID_LIMIT;
 	ACPI_REPORT_ERROR(("Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
 
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 07a314c710d8..6c0ce7b12194 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -157,7 +157,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
 	/*
 	 * 1) Validate the resource_type field (Byte 0)
 	 */
-	resource_type = *((u8 *) aml);
+	resource_type = ACPI_GET8(aml);
 
 	/*
 	 * Byte 0 contains the descriptor name (Resource Type)
@@ -266,14 +266,14 @@ u8 acpi_ut_get_resource_type(void *aml)
 	 * Byte 0 contains the descriptor name (Resource Type)
 	 * Examine the large/small bit in the resource header
 	 */
-	if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+	if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
 		/* Large Resource Type -- bits 6:0 contain the name */
 
-		return (*((u8 *) aml));
+		return (ACPI_GET8(aml));
 	} else {
 		/* Small Resource Type -- bits 6:3 contain the name */
 
-		return ((u8) (*((u8 *) aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
+		return ((u8) (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_SMALL_MASK));
 	}
 }
 
@@ -301,15 +301,15 @@ u16 acpi_ut_get_resource_length(void *aml)
 	 * Byte 0 contains the descriptor name (Resource Type)
 	 * Examine the large/small bit in the resource header
 	 */
-	if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+	if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
 		/* Large Resource type -- bytes 1-2 contain the 16-bit length */
 
-		ACPI_MOVE_16_TO_16(&resource_length, &((u8 *) aml)[1]);
+		ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1));
 
 	} else {
 		/* Small Resource type -- bits 2:0 of byte 0 contain the length */
 
-		resource_length = (u16) (*((u8 *) aml) &
+		resource_length = (u16) (ACPI_GET8(aml) &
 					 ACPI_RESOURCE_NAME_SMALL_LENGTH_MASK);
 	}
 
@@ -334,7 +334,7 @@ u8 acpi_ut_get_resource_header_length(void *aml)
 
 	/* Examine the large/small bit in the resource header */
 
-	if (*((u8 *) aml) & ACPI_RESOURCE_NAME_LARGE) {
+	if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
 		return (sizeof(struct aml_resource_large_header));
 	} else {
 		return (sizeof(struct aml_resource_small_header));
@@ -372,8 +372,9 @@ u32 acpi_ut_get_descriptor_length(void *aml)
  * FUNCTION:    acpi_ut_get_resource_end_tag
  *
  * PARAMETERS:  obj_desc        - The resource template buffer object
+ *              end_tag         - Where the pointer to the end_tag is returned
  *
- * RETURN:      Pointer to the end tag
+ * RETURN:      Status, pointer to the end tag
  *
  * DESCRIPTION: Find the end_tag resource descriptor in an AML resource template
  *
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index d371ec6b9812..08eafece3eed 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20051102
+#define ACPI_CA_VERSION                 0x20051117
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
@@ -98,11 +98,6 @@
 
 #define ACPI_CA_SUPPORT_LEVEL           3
 
-/* String size constants */
-
-#define ACPI_MAX_STRING_LENGTH          512
-#define ACPI_PATHNAME_MAX               256	/* A full namespace pathname */
-
 /* Maximum count for a semaphore object */
 
 #define ACPI_MAX_SEMAPHORE_COUNT        256
@@ -134,14 +129,11 @@
 #define ACPI_METHOD_NUM_ARGS            7
 #define ACPI_METHOD_MAX_ARG             6
 
-/* Maximum length of resulting string when converting from a buffer */
-
-#define ACPI_MAX_STRING_CONVERSION      200
-
-/* Length of _HID, _UID, and _CID values */
+/* Length of _HID, _UID, _CID, and UUID values */
 
 #define ACPI_DEVICE_ID_LENGTH           0x09
 #define ACPI_MAX_CID_LENGTH             48
+#define ACPI_UUID_LENGTH                16
 
 /*
  * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index cef51b1ddf94..bd344e51313b 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -223,6 +223,7 @@ ACPI_EXTERN u32 acpi_gbl_ps_find_count;
 ACPI_EXTERN u32 acpi_gbl_owner_id_mask;
 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
 ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
+ACPI_EXTERN u8 acpi_gbl_last_owner_id;
 ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
 ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index dca0d40ea395..0cb61a72d971 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -573,6 +573,8 @@ struct acpi_parse_obj_named {
 
 /* The parse node is the fundamental element of the parse tree */
 
+#define ACPI_MAX_PARSEOP_NAME   20
+
 struct acpi_parse_obj_asl {
 	ACPI_PARSE_COMMON union acpi_parse_object *child;
 	union acpi_parse_object *parent_method;
@@ -597,7 +599,7 @@ struct acpi_parse_obj_asl {
 	u8 aml_opcode_length;
 	u8 aml_pkg_len_bytes;
 	u8 extra;
-	char parse_op_name[12];
+	char parse_op_name[ACPI_MAX_PARSEOP_NAME];
 };
 
 union acpi_parse_object {
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index e42222c3d34c..5b78ff4091b9 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -107,23 +107,29 @@
  * Extract a byte of data using a pointer.  Any more than a byte and we
  * get into potential aligment issues -- see the STORE macros below
  */
-#define ACPI_GET8(addr)                 (*(u8*)(addr))
+#define ACPI_GET8(ptr)                  *ACPI_CAST_PTR (u8, ptr)
+#define ACPI_GET16(ptr)                 *ACPI_CAST_PTR (u16, ptr)
+#define ACPI_GET32(ptr)                 *ACPI_CAST_PTR (u32, ptr)
+#define ACPI_GET64(ptr)                 *ACPI_CAST_PTR (u64, ptr)
+#define ACPI_SET8(ptr)                  *ACPI_CAST_PTR (u8, ptr)
+#define ACPI_SET16(ptr)                 *ACPI_CAST_PTR (u16, ptr)
+#define ACPI_SET32(ptr)                 *ACPI_CAST_PTR (u32, ptr)
+#define ACPI_SET64(ptr)                 *ACPI_CAST_PTR (u64, ptr)
 
-/* Pointer arithmetic */
+/* Pointer manipulation */
 
-#define ACPI_PTR_ADD(t,a,b)             (t *) (void *)((char *)(a) + (acpi_native_uint)(b))
+#define ACPI_CAST_PTR(t, p)             ((t *)(void *)(p))
+#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **)(void *)(p))
+#define ACPI_ADD_PTR(t,a,b)             ACPI_CAST_PTR (t, (ACPI_CAST_PTR (u8, (a)) + (acpi_native_uint)(b)))
 #define ACPI_PTR_DIFF(a,b)              (acpi_native_uint) ((char *)(a) - (char *)(b))
 
 /* Pointer/Integer type conversions */
 
-#define ACPI_TO_POINTER(i)              ACPI_PTR_ADD (void, (void *) NULL,(acpi_native_uint)i)
+#define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void, (void *) NULL,(acpi_native_uint)i)
 #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
 #define ACPI_OFFSET(d,f)                (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
 #define ACPI_FADT_OFFSET(f)             ACPI_OFFSET (FADT_DESCRIPTOR, f)
 
-#define ACPI_CAST_PTR(t, p)             ((t *)(void *)(p))
-#define ACPI_CAST_INDIRECT_PTR(t, p)    ((t **)(void *)(p))
-
 #if ACPI_MACHINE_WIDTH == 16
 #define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_32_TO_32(d,s)
 #define ACPI_PHYSADDR_TO_PTR(i)         (void *)(i)
@@ -365,6 +371,13 @@
 #define ACPI_REGISTER_PREPARE_BITS(val, pos, mask)      ((val << pos) & mask)
 #define ACPI_REGISTER_INSERT_VALUE(reg, pos, mask, val)  reg = (reg & (~(mask))) | ACPI_REGISTER_PREPARE_BITS(val, pos, mask)
 
+/* Generate a UUID */
+
+#define ACPI_INIT_UUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7)   (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \
+												  (b) & 0xFF, ((b) >> 8) & 0xFF, \
+												  (c) & 0xFF, ((c) >> 8) & 0xFF, \
+												  (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7)
+
 /*
  * An struct acpi_namespace_node * can appear in some contexts,
  * where a pointer to an union acpi_operand_object    can also
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 02f00a8fee03..2a88429bc4ec 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -271,6 +271,12 @@ typedef
 acpi_status(*ACPI_WALK_RESOURCE_CALLBACK) (struct acpi_resource * resource,
 					   void *context);
 
+acpi_status
+acpi_get_vendor_resource(acpi_handle device_handle,
+			 char *name,
+			 struct acpi_vendor_uuid *uuid,
+			 struct acpi_buffer *ret_buffer);
+
 acpi_status
 acpi_get_current_resources(acpi_handle device_handle,
 			   struct acpi_buffer *ret_buffer);
@@ -283,7 +289,7 @@ acpi_get_possible_resources(acpi_handle device_handle,
 
 acpi_status
 acpi_walk_resources(acpi_handle device_handle,
-		    char *path,
+		    char *name,
 		    ACPI_WALK_RESOURCE_CALLBACK user_function, void *context);
 
 acpi_status
diff --git a/include/acpi/acresrc.h b/include/acpi/acresrc.h
index 2bf53940f259..ba281f7740a0 100644
--- a/include/acpi/acresrc.h
+++ b/include/acpi/acresrc.h
@@ -137,9 +137,14 @@ extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
 
 /* Resource tables indexed by raw AML resource descriptor type */
 
+extern const u8 acpi_gbl_resource_struct_sizes[];
 extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
 
-extern const u8 acpi_gbl_resource_struct_sizes[];
+struct acpi_vendor_walk_info {
+	struct acpi_vendor_uuid *uuid;
+	struct acpi_buffer *buffer;
+	acpi_status status;
+};
 
 /*
  * rscreate
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 29b887017b18..11847592ed1b 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -326,7 +326,7 @@ typedef u64 acpi_integer;
 /*
  * Constants with special meanings
  */
-#define ACPI_ROOT_OBJECT                (acpi_handle) ACPI_PTR_ADD (char, NULL, ACPI_MAX_PTR)
+#define ACPI_ROOT_OBJECT                ACPI_ADD_PTR (acpi_handle, NULL, ACPI_MAX_PTR)
 
 /*
  * Initialization sequence
@@ -986,6 +986,17 @@ typedef u32 acpi_rsdesc_size;	/* Max Resource Descriptor size is (length+3) = (6
 #pragma pack(1)
 #endif
 
+/* UUID data structures for use in vendor-defined resource descriptors */
+
+struct acpi_uuid {
+	u8 data[ACPI_UUID_LENGTH];
+};
+
+struct acpi_vendor_uuid {
+	u8 subtype;
+	u8 data[ACPI_UUID_LENGTH];
+};
+
 /*
  *  Structures used to describe device resources
  */
@@ -1033,6 +1044,15 @@ struct acpi_resource_vendor {
 	u8 byte_data[1];
 };
 
+/* Vendor resource with UUID info (introduced in ACPI 3.0) */
+
+struct acpi_resource_vendor_typed {
+	u16 byte_length;
+	u8 uuid_subtype;
+	u8 uuid[ACPI_UUID_LENGTH];
+	u8 byte_data[1];
+};
+
 struct acpi_resource_end_tag {
 	u8 checksum;
 };
@@ -1184,6 +1204,7 @@ union acpi_resource_data {
 	struct acpi_resource_io io;
 	struct acpi_resource_fixed_io fixed_io;
 	struct acpi_resource_vendor vendor;
+	struct acpi_resource_vendor_typed vendor_typed;
 	struct acpi_resource_end_tag end_tag;
 	struct acpi_resource_memory24 memory24;
 	struct acpi_resource_memory32 memory32;
diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
index c93e6562f0e1..1b9cbf05b79e 100644
--- a/include/acpi/platform/aclinux.h
+++ b/include/acpi/platform/aclinux.h
@@ -71,6 +71,10 @@
 #define acpi_cache_t	kmem_cache_t
 #endif
 
+/* Full namespace pathname length limit - arbitrary */
+
+#define ACPI_PATHNAME_MAX              256
+
 #else				/* !__KERNEL__ */
 
 #include <stdarg.h>