diff options
Diffstat (limited to 'drivers/acpi/resources/rscreate.c')
| -rw-r--r-- | drivers/acpi/resources/rscreate.c | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c index a3a0cbfda68d..8e0eae0d50bb 100644 --- a/drivers/acpi/resources/rscreate.c +++ b/drivers/acpi/resources/rscreate.c | |||
| @@ -87,9 +87,8 @@ acpi_rs_create_resource_list ( | |||
| 87 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "byte_stream_buffer = %p\n", | 87 | ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "byte_stream_buffer = %p\n", |
| 88 | byte_stream_buffer)); | 88 | byte_stream_buffer)); |
| 89 | 89 | ||
| 90 | /* | 90 | /* Params already validated, so we don't re-validate here */ |
| 91 | * Params already validated, so we don't re-validate here | 91 | |
| 92 | */ | ||
| 93 | byte_stream_buffer_length = byte_stream_buffer->buffer.length; | 92 | byte_stream_buffer_length = byte_stream_buffer->buffer.length; |
| 94 | byte_stream_start = byte_stream_buffer->buffer.pointer; | 93 | byte_stream_start = byte_stream_buffer->buffer.pointer; |
| 95 | 94 | ||
| @@ -171,9 +170,8 @@ acpi_rs_create_pci_routing_table ( | |||
| 171 | 170 | ||
| 172 | /* Params already validated, so we don't re-validate here */ | 171 | /* Params already validated, so we don't re-validate here */ |
| 173 | 172 | ||
| 174 | /* | 173 | /* Get the required buffer length */ |
| 175 | * Get the required buffer length | 174 | |
| 176 | */ | ||
| 177 | status = acpi_rs_get_pci_routing_table_length (package_object, | 175 | status = acpi_rs_get_pci_routing_table_length (package_object, |
| 178 | &buffer_size_needed); | 176 | &buffer_size_needed); |
| 179 | if (ACPI_FAILURE (status)) { | 177 | if (ACPI_FAILURE (status)) { |
| @@ -217,9 +215,8 @@ acpi_rs_create_pci_routing_table ( | |||
| 217 | */ | 215 | */ |
| 218 | user_prt->length = (sizeof (struct acpi_pci_routing_table) - 4); | 216 | user_prt->length = (sizeof (struct acpi_pci_routing_table) - 4); |
| 219 | 217 | ||
| 220 | /* | 218 | /* Each element of the top-level package must also be a package */ |
| 221 | * Each element of the top-level package must also be a package | 219 | |
| 222 | */ | ||
| 223 | if (ACPI_GET_OBJECT_TYPE (*top_object_list) != ACPI_TYPE_PACKAGE) { | 220 | if (ACPI_GET_OBJECT_TYPE (*top_object_list) != ACPI_TYPE_PACKAGE) { |
| 224 | ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, | 221 | ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, |
| 225 | "(PRT[%X]) Need sub-package, found %s\n", | 222 | "(PRT[%X]) Need sub-package, found %s\n", |
| @@ -243,9 +240,8 @@ acpi_rs_create_pci_routing_table ( | |||
| 243 | */ | 240 | */ |
| 244 | sub_object_list = (*top_object_list)->package.elements; | 241 | sub_object_list = (*top_object_list)->package.elements; |
| 245 | 242 | ||
| 246 | /* | 243 | /* 1) First subobject: Dereference the PRT.Address */ |
| 247 | * 1) First subobject: Dereference the PRT.Address | 244 | |
| 248 | */ | ||
| 249 | obj_desc = sub_object_list[0]; | 245 | obj_desc = sub_object_list[0]; |
| 250 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { | 246 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { |
| 251 | user_prt->address = obj_desc->integer.value; | 247 | user_prt->address = obj_desc->integer.value; |
| @@ -257,9 +253,8 @@ acpi_rs_create_pci_routing_table ( | |||
| 257 | return_ACPI_STATUS (AE_BAD_DATA); | 253 | return_ACPI_STATUS (AE_BAD_DATA); |
| 258 | } | 254 | } |
| 259 | 255 | ||
| 260 | /* | 256 | /* 2) Second subobject: Dereference the PRT.Pin */ |
| 261 | * 2) Second subobject: Dereference the PRT.Pin | 257 | |
| 262 | */ | ||
| 263 | obj_desc = sub_object_list[1]; | 258 | obj_desc = sub_object_list[1]; |
| 264 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { | 259 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { |
| 265 | user_prt->pin = (u32) obj_desc->integer.value; | 260 | user_prt->pin = (u32) obj_desc->integer.value; |
| @@ -271,9 +266,8 @@ acpi_rs_create_pci_routing_table ( | |||
| 271 | return_ACPI_STATUS (AE_BAD_DATA); | 266 | return_ACPI_STATUS (AE_BAD_DATA); |
| 272 | } | 267 | } |
| 273 | 268 | ||
| 274 | /* | 269 | /* 3) Third subobject: Dereference the PRT.source_name */ |
| 275 | * 3) Third subobject: Dereference the PRT.source_name | 270 | |
| 276 | */ | ||
| 277 | obj_desc = sub_object_list[2]; | 271 | obj_desc = sub_object_list[2]; |
| 278 | switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { | 272 | switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { |
| 279 | case ACPI_TYPE_LOCAL_REFERENCE: | 273 | case ACPI_TYPE_LOCAL_REFERENCE: |
| @@ -296,7 +290,9 @@ acpi_rs_create_pci_routing_table ( | |||
| 296 | 290 | ||
| 297 | status = acpi_ns_handle_to_pathname ((acpi_handle) node, &path_buffer); | 291 | status = acpi_ns_handle_to_pathname ((acpi_handle) node, &path_buffer); |
| 298 | 292 | ||
| 299 | user_prt->length += (u32) ACPI_STRLEN (user_prt->source) + 1; /* include null terminator */ | 293 | /* +1 to include null terminator */ |
| 294 | |||
| 295 | user_prt->length += (u32) ACPI_STRLEN (user_prt->source) + 1; | ||
| 300 | break; | 296 | break; |
| 301 | 297 | ||
| 302 | 298 | ||
| @@ -304,8 +300,10 @@ acpi_rs_create_pci_routing_table ( | |||
| 304 | 300 | ||
| 305 | ACPI_STRCPY (user_prt->source, obj_desc->string.pointer); | 301 | ACPI_STRCPY (user_prt->source, obj_desc->string.pointer); |
| 306 | 302 | ||
| 307 | /* Add to the Length field the length of the string (add 1 for terminator) */ | 303 | /* |
| 308 | 304 | * Add to the Length field the length of the string | |
| 305 | * (add 1 for terminator) | ||
| 306 | */ | ||
| 309 | user_prt->length += obj_desc->string.length + 1; | 307 | user_prt->length += obj_desc->string.length + 1; |
| 310 | break; | 308 | break; |
| 311 | 309 | ||
| @@ -333,9 +331,8 @@ acpi_rs_create_pci_routing_table ( | |||
| 333 | 331 | ||
| 334 | user_prt->length = (u32) ACPI_ROUND_UP_to_64_bITS (user_prt->length); | 332 | user_prt->length = (u32) ACPI_ROUND_UP_to_64_bITS (user_prt->length); |
| 335 | 333 | ||
| 336 | /* | 334 | /* 4) Fourth subobject: Dereference the PRT.source_index */ |
| 337 | * 4) Fourth subobject: Dereference the PRT.source_index | 335 | |
| 338 | */ | ||
| 339 | obj_desc = sub_object_list[3]; | 336 | obj_desc = sub_object_list[3]; |
| 340 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { | 337 | if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) { |
| 341 | user_prt->source_index = (u32) obj_desc->integer.value; | 338 | user_prt->source_index = (u32) obj_desc->integer.value; |
