Commit 4efeeecd884de36b77c64489dee7eb7ca4d6bed0

Authored by Bob Moore
Committed by Len Brown
1 parent dd0228e922

ACPICA: Clarify METHOD_NAME* defines for full-pathname cases

Changed the METHOD_NAME* defines that define a full pathname to
the method to METHOD_PATHNAME* in order to make it clear that
it is not a simple 4-character ACPI name. Used for the various
sleep/wake methods.

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>

Showing 6 changed files with 28 additions and 27 deletions Side-by-side Diff

drivers/acpi/acpica/hwesleep.c
... ... @@ -59,7 +59,7 @@
59 59 *
60 60 * FUNCTION: acpi_hw_execute_sleep_method
61 61 *
62   - * PARAMETERS: method_name - Pathname of method to execute
  62 + * PARAMETERS: method_pathname - Pathname of method to execute
63 63 * integer_argument - Argument to pass to the method
64 64 *
65 65 * RETURN: None
... ... @@ -68,7 +68,7 @@
68 68 * and no return value.
69 69 *
70 70 ******************************************************************************/
71   -void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument)
  71 +void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
72 72 {
73 73 struct acpi_object_list arg_list;
74 74 union acpi_object arg;
75 75  
... ... @@ -76,10 +76,10 @@
76 76  
77 77 ACPI_FUNCTION_TRACE(hw_execute_sleep_method);
78 78  
79   - if (!ACPI_STRCMP(METHOD_NAME__GTS, method_name) && !gts)
  79 + if (!ACPI_STRCMP(METHOD_PATHNAME__GTS, method_pathname) && !gts)
80 80 return_VOID;
81 81  
82   - if (!ACPI_STRCMP(METHOD_NAME__BFS, method_name) && !bfs)
  82 + if (!ACPI_STRCMP(METHOD_PATHNAME__BFS, method_pathname) && !bfs)
83 83 return_VOID;
84 84  
85 85 /* One argument, integer_argument; No return value expected */
86 86  
... ... @@ -89,10 +89,10 @@
89 89 arg.type = ACPI_TYPE_INTEGER;
90 90 arg.integer.value = (u64)integer_argument;
91 91  
92   - status = acpi_evaluate_object(NULL, method_name, &arg_list, NULL);
  92 + status = acpi_evaluate_object(NULL, method_pathname, &arg_list, NULL);
93 93 if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
94 94 ACPI_EXCEPTION((AE_INFO, status, "While executing method %s",
95   - method_name));
  95 + method_pathname));
96 96 }
97 97  
98 98 return_VOID;
... ... @@ -138,7 +138,7 @@
138 138  
139 139 /* Execute the _GTS method (Going To Sleep) */
140 140  
141   - acpi_hw_execute_sleep_method(METHOD_NAME__GTS, sleep_state);
  141 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
142 142  
143 143 /* Flush caches, as per ACPI specification */
144 144  
... ... @@ -208,7 +208,7 @@
208 208 &acpi_gbl_FADT.sleep_control);
209 209 }
210 210  
211   - acpi_hw_execute_sleep_method(METHOD_NAME__BFS, sleep_state);
  211 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
212 212 return_ACPI_STATUS(AE_OK);
213 213 }
214 214  
... ... @@ -235,8 +235,8 @@
235 235  
236 236 /* Execute the wake methods */
237 237  
238   - acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WAKING);
239   - acpi_hw_execute_sleep_method(METHOD_NAME__WAK, sleep_state);
  238 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING);
  239 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state);
240 240  
241 241 /*
242 242 * Some BIOS code assumes that WAK_STS will be cleared on resume
... ... @@ -246,7 +246,7 @@
246 246 (void)acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status);
247 247 acpi_gbl_system_awake_and_running = TRUE;
248 248  
249   - acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WORKING);
  249 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
250 250 return_ACPI_STATUS(AE_OK);
251 251 }
drivers/acpi/acpica/hwsleep.c
... ... @@ -123,7 +123,7 @@
123 123  
124 124 /* Execute the _GTS method (Going To Sleep) */
125 125  
126   - acpi_hw_execute_sleep_method(METHOD_NAME__GTS, sleep_state);
  126 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
127 127  
128 128 /* Get current value of PM1A control */
129 129  
... ... @@ -279,7 +279,7 @@
279 279 }
280 280 }
281 281  
282   - acpi_hw_execute_sleep_method(METHOD_NAME__BFS, sleep_state);
  282 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
283 283 return_ACPI_STATUS(status);
284 284 }
285 285  
... ... @@ -305,7 +305,7 @@
305 305 /* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
306 306  
307 307 acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
308   - acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WAKING);
  308 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING);
309 309  
310 310 /*
311 311 * GPEs must be enabled before _WAK is called as GPEs
... ... @@ -329,7 +329,7 @@
329 329 * Now we can execute _WAK, etc. Some machines require that the GPEs
330 330 * are enabled before the wake methods are executed.
331 331 */
332   - acpi_hw_execute_sleep_method(METHOD_NAME__WAK, sleep_state);
  332 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state);
333 333  
334 334 /*
335 335 * Some BIOS code assumes that WAK_STS will be cleared on resume
... ... @@ -361,7 +361,7 @@
361 361 return_ACPI_STATUS(status);
362 362 }
363 363  
364   - acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WORKING);
  364 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
365 365 return_ACPI_STATUS(status);
366 366 }
367 367  
drivers/acpi/acpica/hwxfsleep.c
... ... @@ -306,7 +306,8 @@
306 306 arg.type = ACPI_TYPE_INTEGER;
307 307 arg.integer.value = sleep_state;
308 308  
309   - status = acpi_evaluate_object(NULL, METHOD_NAME__PTS, &arg_list, NULL);
  309 + status =
  310 + acpi_evaluate_object(NULL, METHOD_PATHNAME__PTS, &arg_list, NULL);
310 311 if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
311 312 return_ACPI_STATUS(status);
312 313 }
... ... @@ -337,7 +338,7 @@
337 338 * Set the system indicators to show the desired sleep state.
338 339 * _SST is an optional method (return no error if not found)
339 340 */
340   - acpi_hw_execute_sleep_method(METHOD_NAME__SST, sst_value);
  341 + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, sst_value);
341 342 return_ACPI_STATUS(AE_OK);
342 343 }
343 344  
drivers/acpi/acpica/nsdumpdv.c
... ... @@ -121,7 +121,7 @@
121 121 return;
122 122 }
123 123  
124   - status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
  124 + status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
125 125 if (ACPI_FAILURE(status)) {
126 126 return;
127 127 }
drivers/acpi/sleep.c
... ... @@ -788,13 +788,13 @@
788 788 {
789 789 acpi_handle dummy;
790 790  
791   - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__GTS, &dummy)))
  791 + if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__GTS, &dummy)))
792 792 {
793 793 printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n");
794 794 printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, "
795 795 "please notify linux-acpi@vger.kernel.org\n");
796 796 }
797   - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__BFS, &dummy)))
  797 + if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__BFS, &dummy)))
798 798 {
799 799 printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n");
800 800 printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, "
include/acpi/acnames.h
... ... @@ -46,6 +46,7 @@
46 46  
47 47 /* Method names - these methods can appear anywhere in the namespace */
48 48  
  49 +#define METHOD_NAME__SB_ "_SB_"
49 50 #define METHOD_NAME__HID "_HID"
50 51 #define METHOD_NAME__CID "_CID"
51 52 #define METHOD_NAME__UID "_UID"
... ... @@ -64,11 +65,11 @@
64 65  
65 66 /* Method names - these methods must appear at the namespace root */
66 67  
67   -#define METHOD_NAME__BFS "\\_BFS"
68   -#define METHOD_NAME__GTS "\\_GTS"
69   -#define METHOD_NAME__PTS "\\_PTS"
70   -#define METHOD_NAME__SST "\\_SI._SST"
71   -#define METHOD_NAME__WAK "\\_WAK"
  68 +#define METHOD_PATHNAME__BFS "\\_BFS"
  69 +#define METHOD_PATHNAME__GTS "\\_GTS"
  70 +#define METHOD_PATHNAME__PTS "\\_PTS"
  71 +#define METHOD_PATHNAME__SST "\\_SI._SST"
  72 +#define METHOD_PATHNAME__WAK "\\_WAK"
72 73  
73 74 /* Definitions of the predefined namespace names */
74 75  
... ... @@ -79,7 +80,6 @@
79 80 #define ACPI_PREFIX_LOWER (u32) 0x69706361 /* "acpi" */
80 81  
81 82 #define ACPI_NS_ROOT_PATH "\\"
82   -#define ACPI_NS_SYSTEM_BUS "_SB_"
83 83  
84 84 #endif /* __ACNAMES_H__ */