ACPICA: Add const qualifier for appropriate string constants

Mostly MODULE_NAME and printf format strings.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>

5 files changed, 55 insertions, 42 deletions

diff --git a/include/acpi/acinterp.h b/include/acpi/acinterp.h
index e249ce5d3300..accd1208dfe3 100644
--- a/include/acpi/acinterp.h
+++ b/include/acpi/acinterp.h
@@ -367,9 +367,10 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth);
 void
 acpi_ex_dump_operands(union acpi_operand_object **operands,
                       acpi_interpreter_mode interpreter_mode,
-                      char *ident,
+                      const char *ident,
                       u32 num_levels,
-                      char *note, char *module_name, u32 line_number);
+                      const char *note,
+                      const char *module_name, u32 line_number);
 
 #ifdef  ACPI_FUTURE_USAGE
 void
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 62d7468ed3f9..b221c8583ddd 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -282,8 +282,8 @@ struct acpi_predefined_names {
 /* Info structure used to convert external<->internal namestrings */
 
 struct acpi_namestring_info {
-        char *external_name;
-        char *next_external_char;
+        const char *external_name;
+        const char *next_external_char;
         char *internal_name;
         u32 length;
         u32 num_segments;
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index d0494ea74b22..77439df4632b 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -414,7 +414,7 @@ struct acpi_integer_overlay {
  * error messages. The __FILE__ macro is not very useful for this, because it
  * often includes the entire pathname to the module
  */
-#define ACPI_MODULE_NAME(name)          static char ACPI_UNUSED_VAR _acpi_module_name[] = name;
+#define ACPI_MODULE_NAME(name)          static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
 #else
 #define ACPI_MODULE_NAME(name)
 #endif
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index d622c309002e..9ed70a050580 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -199,7 +199,7 @@ acpi_ns_pattern_match(struct acpi_namespace_node *obj_node, char *search_for);
 
 acpi_status
 acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
-                 char *external_pathname,
+                 const char *external_pathname,
                  u32 flags, struct acpi_namespace_node **out_node);
 
 acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node);
@@ -263,28 +263,30 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
 u32 acpi_ns_local(acpi_object_type type);
 
 void
-acpi_ns_report_error(char *module_name,
+acpi_ns_report_error(const char *module_name,
                      u32 line_number,
-                     char *internal_name, acpi_status lookup_status);
+                     const char *internal_name, acpi_status lookup_status);
 
 void
-acpi_ns_report_method_error(char *module_name,
+acpi_ns_report_method_error(const char *module_name,
                             u32 line_number,
-                            char *message,
+                            const char *message,
                             struct acpi_namespace_node *node,
-                            char *path, acpi_status lookup_status);
+                            const char *path, acpi_status lookup_status);
 
-void acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *msg);
+void
+acpi_ns_print_node_pathname(struct acpi_namespace_node *node, const char *msg);
 
 acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info);
 
 void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info);
 
-acpi_status acpi_ns_internalize_name(char *dotted_name, char **converted_name);
+acpi_status
+acpi_ns_internalize_name(const char *dotted_name, char **converted_name);
 
 acpi_status
 acpi_ns_externalize_name(u32 internal_name_length,
-                         char *internal_name,
+                         const char *internal_name,
                          u32 * converted_name_length, char **converted_name);
 
 struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle);
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index 3f663a0077be..69f8888771ff 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -245,41 +245,45 @@ void acpi_ut_track_stack_ptr(void);
 
 void
 acpi_ut_trace(u32 line_number,
-              const char *function_name, char *module_name, u32 component_id);
+              const char *function_name,
+              const char *module_name, u32 component_id);
 
 void
 acpi_ut_trace_ptr(u32 line_number,
                   const char *function_name,
-                  char *module_name, u32 component_id, void *pointer);
+                  const char *module_name, u32 component_id, void *pointer);
 
 void
 acpi_ut_trace_u32(u32 line_number,
                   const char *function_name,
-                  char *module_name, u32 component_id, u32 integer);
+                  const char *module_name, u32 component_id, u32 integer);
 
 void
 acpi_ut_trace_str(u32 line_number,
                   const char *function_name,
-                  char *module_name, u32 component_id, char *string);
+                  const char *module_name, u32 component_id, char *string);
 
 void
 acpi_ut_exit(u32 line_number,
-             const char *function_name, char *module_name, u32 component_id);
+             const char *function_name,
+             const char *module_name, u32 component_id);
 
 void
 acpi_ut_status_exit(u32 line_number,
                     const char *function_name,
-                    char *module_name, u32 component_id, acpi_status status);
+                    const char *module_name,
+                    u32 component_id, acpi_status status);
 
 void
 acpi_ut_value_exit(u32 line_number,
                    const char *function_name,
-                   char *module_name, u32 component_id, acpi_integer value);
+                   const char *module_name,
+                   u32 component_id, acpi_integer value);
 
 void
 acpi_ut_ptr_exit(u32 line_number,
                  const char *function_name,
-                 char *module_name, u32 component_id, u8 * ptr);
+                 const char *module_name, u32 component_id, u8 *ptr);
 
 void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id);
 
@@ -297,33 +301,35 @@ void ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print(u32 requested_debug_level,
                     u32 line_number,
                     const char *function_name,
-                    char *module_name,
-                    u32 component_id, char *format, ...) ACPI_PRINTF_LIKE(6);
+                    const char *module_name,
+                    u32 component_id,
+                    const char *format, ...) ACPI_PRINTF_LIKE(6);
 
 void ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print_raw(u32 requested_debug_level,
                         u32 line_number,
                         const char *function_name,
-                        char *module_name,
+                        const char *module_name,
                         u32 component_id,
-                        char *format, ...) ACPI_PRINTF_LIKE(6);
+                        const char *format, ...) ACPI_PRINTF_LIKE(6);
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_error(char *module_name,
-              u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+acpi_ut_error(const char *module_name,
+              u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_exception(char *module_name,
+acpi_ut_exception(const char *module_name,
                   u32 line_number,
-                  acpi_status status, char *format, ...) ACPI_PRINTF_LIKE(4);
+                  acpi_status status,
+                  const char *format, ...) ACPI_PRINTF_LIKE(4);
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_warning(char *module_name,
-                u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+acpi_ut_warning(const char *module_name,
+                u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 
 void ACPI_INTERNAL_VAR_XFACE
-acpi_ut_info(char *module_name,
-             u32 line_number, char *format, ...) ACPI_PRINTF_LIKE(3);
+acpi_ut_info(const char *module_name,
+             u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 
 /*
  * utdelete - Object deletion and reference counts
@@ -376,13 +382,14 @@ acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
 /*
  * utobject - internal object create/delete/cache routines
  */
-union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
+union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
+                                                              *module_name,
                                                               u32 line_number,
                                                               u32 component_id,
                                                               acpi_object_type
                                                               type);
 
-void *acpi_ut_allocate_object_desc_dbg(char *module_name,
+void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
                                        u32 line_number, u32 component_id);
 
 #define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
@@ -543,26 +550,29 @@ acpi_status
 acpi_ut_initialize_buffer(struct acpi_buffer *buffer,
                           acpi_size required_length);
 
-void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line);
+void *acpi_ut_allocate(acpi_size size,
+                       u32 component, const char *module, u32 line);
 
 void *acpi_ut_allocate_zeroed(acpi_size size,
-                              u32 component, char *module, u32 line);
+                              u32 component, const char *module, u32 line);
 
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
 void *acpi_ut_allocate_and_track(acpi_size size,
-                                 u32 component, char *module, u32 line);
+                                 u32 component, const char *module, u32 line);
 
 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
-                                        u32 component, char *module, u32 line);
+                                        u32 component,
+                                        const char *module, u32 line);
 
 void
-acpi_ut_free_and_track(void *address, u32 component, char *module, u32 line);
+acpi_ut_free_and_track(void *address,
+                       u32 component, const char *module, u32 line);
 
 #ifdef  ACPI_FUTURE_USAGE
 void acpi_ut_dump_allocation_info(void);
 #endif                          /* ACPI_FUTURE_USAGE */
 
-void acpi_ut_dump_allocations(u32 component, char *module);
+void acpi_ut_dump_allocations(u32 component, const char *module);
 
 acpi_status
 acpi_ut_create_list(char *list_name,