diff options
Diffstat (limited to 'drivers/acpi/namespace/nsnames.c')
| -rw-r--r-- | drivers/acpi/namespace/nsnames.c | 118 |
1 files changed, 46 insertions, 72 deletions
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c index d8ce7e39795f..d5e8dea61c27 100644 --- a/drivers/acpi/namespace/nsnames.c +++ b/drivers/acpi/namespace/nsnames.c @@ -41,23 +41,17 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/amlcode.h> #include <acpi/acnamesp.h> - #define _COMPONENT ACPI_NAMESPACE - ACPI_MODULE_NAME ("nsnames") +ACPI_MODULE_NAME("nsnames") /* Local prototypes */ - static void -acpi_ns_build_external_path ( - struct acpi_namespace_node *node, - acpi_size size, - char *name_buffer); - +acpi_ns_build_external_path(struct acpi_namespace_node *node, + acpi_size size, char *name_buffer); /******************************************************************************* * @@ -75,17 +69,13 @@ acpi_ns_build_external_path ( ******************************************************************************/ static void -acpi_ns_build_external_path ( - struct acpi_namespace_node *node, - acpi_size size, - char *name_buffer) +acpi_ns_build_external_path(struct acpi_namespace_node *node, + acpi_size size, char *name_buffer) { - acpi_size index; - struct acpi_namespace_node *parent_node; - - - ACPI_FUNCTION_NAME ("ns_build_external_path"); + acpi_size index; + struct acpi_namespace_node *parent_node; + ACPI_FUNCTION_NAME("ns_build_external_path"); /* Special case for root */ @@ -106,8 +96,8 @@ acpi_ns_build_external_path ( /* Put the name into the buffer */ - ACPI_MOVE_32_TO_32 ((name_buffer + index), &parent_node->name); - parent_node = acpi_ns_get_parent_node (parent_node); + ACPI_MOVE_32_TO_32((name_buffer + index), &parent_node->name); + parent_node = acpi_ns_get_parent_node(parent_node); /* Prefix name with the path separator */ @@ -120,15 +110,14 @@ acpi_ns_build_external_path ( name_buffer[index] = AML_ROOT_PREFIX; if (index != 0) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not construct pathname; index=%X, size=%X, Path=%s\n", - (u32) index, (u32) size, &name_buffer[size])); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Could not construct pathname; index=%X, size=%X, Path=%s\n", + (u32) index, (u32) size, &name_buffer[size])); } return; } - #ifdef ACPI_DEBUG_OUTPUT /******************************************************************************* * @@ -144,37 +133,32 @@ acpi_ns_build_external_path ( * ******************************************************************************/ -char * -acpi_ns_get_external_pathname ( - struct acpi_namespace_node *node) +char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) { - char *name_buffer; - acpi_size size; - - - ACPI_FUNCTION_TRACE_PTR ("ns_get_external_pathname", node); + char *name_buffer; + acpi_size size; + ACPI_FUNCTION_TRACE_PTR("ns_get_external_pathname", node); /* Calculate required buffer size based on depth below root */ - size = acpi_ns_get_pathname_length (node); + size = acpi_ns_get_pathname_length(node); /* Allocate a buffer to be returned to caller */ - name_buffer = ACPI_MEM_CALLOCATE (size); + name_buffer = ACPI_MEM_CALLOCATE(size); if (!name_buffer) { - ACPI_REPORT_ERROR (("ns_get_table_pathname: allocation failure\n")); - return_PTR (NULL); + ACPI_REPORT_ERROR(("ns_get_table_pathname: allocation failure\n")); + return_PTR(NULL); } /* Build the path in the allocated buffer */ - acpi_ns_build_external_path (node, size, name_buffer); - return_PTR (name_buffer); + acpi_ns_build_external_path(node, size, name_buffer); + return_PTR(name_buffer); } #endif - /******************************************************************************* * * FUNCTION: acpi_ns_get_pathname_length @@ -187,16 +171,12 @@ acpi_ns_get_external_pathname ( * ******************************************************************************/ -acpi_size -acpi_ns_get_pathname_length ( - struct acpi_namespace_node *node) +acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) { - acpi_size size; - struct acpi_namespace_node *next_node; - - - ACPI_FUNCTION_ENTRY (); + acpi_size size; + struct acpi_namespace_node *next_node; + ACPI_FUNCTION_ENTRY(); /* * Compute length of pathname as 5 * number of name segments. @@ -207,17 +187,16 @@ acpi_ns_get_pathname_length ( while (next_node && (next_node != acpi_gbl_root_node)) { size += ACPI_PATH_SEGMENT_LENGTH; - next_node = acpi_ns_get_parent_node (next_node); + next_node = acpi_ns_get_parent_node(next_node); } if (!size) { - size = 1; /* Root node case */ + size = 1; /* Root node case */ } - return (size + 1); /* +1 for null string terminator */ + return (size + 1); /* +1 for null string terminator */ } - /******************************************************************************* * * FUNCTION: acpi_ns_handle_to_pathname @@ -233,41 +212,36 @@ acpi_ns_get_pathname_length ( ******************************************************************************/ acpi_status -acpi_ns_handle_to_pathname ( - acpi_handle target_handle, - struct acpi_buffer *buffer) +acpi_ns_handle_to_pathname(acpi_handle target_handle, + struct acpi_buffer * buffer) { - acpi_status status; - struct acpi_namespace_node *node; - acpi_size required_size; + acpi_status status; + struct acpi_namespace_node *node; + acpi_size required_size; + ACPI_FUNCTION_TRACE_PTR("ns_handle_to_pathname", target_handle); - ACPI_FUNCTION_TRACE_PTR ("ns_handle_to_pathname", target_handle); - - - node = acpi_ns_map_handle_to_node (target_handle); + node = acpi_ns_map_handle_to_node(target_handle); if (!node) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Determine size required for the caller buffer */ - required_size = acpi_ns_get_pathname_length (node); + required_size = acpi_ns_get_pathname_length(node); /* Validate/Allocate/Clear caller buffer */ - status = acpi_ut_initialize_buffer (buffer, required_size); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_initialize_buffer(buffer, required_size); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Build the path in the caller buffer */ - acpi_ns_build_external_path (node, required_size, buffer->pointer); + acpi_ns_build_external_path(node, required_size, buffer->pointer); - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s [%X] \n", - (char *) buffer->pointer, (u32) required_size)); - return_ACPI_STATUS (AE_OK); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%X] \n", + (char *)buffer->pointer, (u32) required_size)); + return_ACPI_STATUS(AE_OK); } - - |