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path: root/drivers/acpi/acpica/rscreate.c
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Diffstat (limited to 'drivers/acpi/acpica/rscreate.c')
-rw-r--r--drivers/acpi/acpica/rscreate.c27
1 files changed, 2 insertions, 25 deletions
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 663f692fffcf..a3c23d686d5f 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -191,8 +191,6 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
191 user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer); 191 user_prt = ACPI_CAST_PTR(struct acpi_pci_routing_table, buffer);
192 192
193 for (index = 0; index < number_of_elements; index++) { 193 for (index = 0; index < number_of_elements; index++) {
194 int source_name_index = 2;
195 int source_index_index = 3;
196 194
197 /* 195 /*
198 * Point user_prt past this current structure 196 * Point user_prt past this current structure
@@ -261,27 +259,6 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
261 return_ACPI_STATUS(AE_BAD_DATA); 259 return_ACPI_STATUS(AE_BAD_DATA);
262 } 260 }
263 261
264 /*
265 * If BIOS erroneously reversed the _PRT source_name and source_index,
266 * then reverse them back.
267 */
268 if ((sub_object_list[3])->common.type !=
269 ACPI_TYPE_INTEGER) {
270 if (acpi_gbl_enable_interpreter_slack) {
271 source_name_index = 3;
272 source_index_index = 2;
273 printk(KERN_WARNING
274 "ACPI: Handling Garbled _PRT entry\n");
275 } else {
276 ACPI_ERROR((AE_INFO,
277 "(PRT[%X].source_index) Need Integer, found %s",
278 index,
279 acpi_ut_get_object_type_name
280 (sub_object_list[3])));
281 return_ACPI_STATUS(AE_BAD_DATA);
282 }
283 }
284
285 user_prt->pin = (u32) obj_desc->integer.value; 262 user_prt->pin = (u32) obj_desc->integer.value;
286 263
287 /* 264 /*
@@ -304,7 +281,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
304 * 3) Third subobject: Dereference the PRT.source_name 281 * 3) Third subobject: Dereference the PRT.source_name
305 * The name may be unresolved (slack mode), so allow a null object 282 * The name may be unresolved (slack mode), so allow a null object
306 */ 283 */
307 obj_desc = sub_object_list[source_name_index]; 284 obj_desc = sub_object_list[2];
308 if (obj_desc) { 285 if (obj_desc) {
309 switch (obj_desc->common.type) { 286 switch (obj_desc->common.type) {
310 case ACPI_TYPE_LOCAL_REFERENCE: 287 case ACPI_TYPE_LOCAL_REFERENCE:
@@ -378,7 +355,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
378 355
379 /* 4) Fourth subobject: Dereference the PRT.source_index */ 356 /* 4) Fourth subobject: Dereference the PRT.source_index */
380 357
381 obj_desc = sub_object_list[source_index_index]; 358 obj_desc = sub_object_list[3];
382 if (obj_desc->common.type != ACPI_TYPE_INTEGER) { 359 if (obj_desc->common.type != ACPI_TYPE_INTEGER) {
383 ACPI_ERROR((AE_INFO, 360 ACPI_ERROR((AE_INFO,
384 "(PRT[%X].SourceIndex) Need Integer, found %s", 361 "(PRT[%X].SourceIndex) Need Integer, found %s",