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path: root/drivers/acpi/events/evxfregn.c
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Diffstat (limited to 'drivers/acpi/events/evxfregn.c')
-rw-r--r--drivers/acpi/events/evxfregn.c114
1 files changed, 55 insertions, 59 deletions
diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/events/evxfregn.c
index d058587b3427..6f28ea2db5ba 100644
--- a/drivers/acpi/events/evxfregn.c
+++ b/drivers/acpi/events/evxfregn.c
@@ -49,8 +49,7 @@
49#include <acpi/acevents.h> 49#include <acpi/acevents.h>
50 50
51#define _COMPONENT ACPI_EVENTS 51#define _COMPONENT ACPI_EVENTS
52 ACPI_MODULE_NAME ("evxfregn") 52ACPI_MODULE_NAME("evxfregn")
53
54 53
55/******************************************************************************* 54/*******************************************************************************
56 * 55 *
@@ -67,36 +66,31 @@
67 * DESCRIPTION: Install a handler for all op_regions of a given space_id. 66 * DESCRIPTION: Install a handler for all op_regions of a given space_id.
68 * 67 *
69 ******************************************************************************/ 68 ******************************************************************************/
70
71acpi_status 69acpi_status
72acpi_install_address_space_handler ( 70acpi_install_address_space_handler(acpi_handle device,
73 acpi_handle device, 71 acpi_adr_space_type space_id,
74 acpi_adr_space_type space_id, 72 acpi_adr_space_handler handler,
75 acpi_adr_space_handler handler, 73 acpi_adr_space_setup setup, void *context)
76 acpi_adr_space_setup setup,
77 void *context)
78{ 74{
79 struct acpi_namespace_node *node; 75 struct acpi_namespace_node *node;
80 acpi_status status; 76 acpi_status status;
81
82
83 ACPI_FUNCTION_TRACE ("acpi_install_address_space_handler");
84 77
78 ACPI_FUNCTION_TRACE("acpi_install_address_space_handler");
85 79
86 /* Parameter validation */ 80 /* Parameter validation */
87 81
88 if (!device) { 82 if (!device) {
89 return_ACPI_STATUS (AE_BAD_PARAMETER); 83 return_ACPI_STATUS(AE_BAD_PARAMETER);
90 } 84 }
91 85
92 status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); 86 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
93 if (ACPI_FAILURE (status)) { 87 if (ACPI_FAILURE(status)) {
94 return_ACPI_STATUS (status); 88 return_ACPI_STATUS(status);
95 } 89 }
96 90
97 /* Convert and validate the device handle */ 91 /* Convert and validate the device handle */
98 92
99 node = acpi_ns_map_handle_to_node (device); 93 node = acpi_ns_map_handle_to_node(device);
100 if (!node) { 94 if (!node) {
101 status = AE_BAD_PARAMETER; 95 status = AE_BAD_PARAMETER;
102 goto unlock_and_exit; 96 goto unlock_and_exit;
@@ -104,21 +98,23 @@ acpi_install_address_space_handler (
104 98
105 /* Install the handler for all Regions for this Space ID */ 99 /* Install the handler for all Regions for this Space ID */
106 100
107 status = acpi_ev_install_space_handler (node, space_id, handler, setup, context); 101 status =
108 if (ACPI_FAILURE (status)) { 102 acpi_ev_install_space_handler(node, space_id, handler, setup,
103 context);
104 if (ACPI_FAILURE(status)) {
109 goto unlock_and_exit; 105 goto unlock_and_exit;
110 } 106 }
111 107
112 /* Run all _REG methods for this address space */ 108 /* Run all _REG methods for this address space */
113 109
114 status = acpi_ev_execute_reg_methods (node, space_id); 110 status = acpi_ev_execute_reg_methods(node, space_id);
115 111
116unlock_and_exit: 112 unlock_and_exit:
117 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 113 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
118 return_ACPI_STATUS (status); 114 return_ACPI_STATUS(status);
119} 115}
120EXPORT_SYMBOL(acpi_install_address_space_handler);
121 116
117EXPORT_SYMBOL(acpi_install_address_space_handler);
122 118
123/******************************************************************************* 119/*******************************************************************************
124 * 120 *
@@ -135,36 +131,33 @@ EXPORT_SYMBOL(acpi_install_address_space_handler);
135 ******************************************************************************/ 131 ******************************************************************************/
136 132
137acpi_status 133acpi_status
138acpi_remove_address_space_handler ( 134acpi_remove_address_space_handler(acpi_handle device,
139 acpi_handle device, 135 acpi_adr_space_type space_id,
140 acpi_adr_space_type space_id, 136 acpi_adr_space_handler handler)
141 acpi_adr_space_handler handler)
142{ 137{
143 union acpi_operand_object *obj_desc; 138 union acpi_operand_object *obj_desc;
144 union acpi_operand_object *handler_obj; 139 union acpi_operand_object *handler_obj;
145 union acpi_operand_object *region_obj; 140 union acpi_operand_object *region_obj;
146 union acpi_operand_object **last_obj_ptr; 141 union acpi_operand_object **last_obj_ptr;
147 struct acpi_namespace_node *node; 142 struct acpi_namespace_node *node;
148 acpi_status status; 143 acpi_status status;
149
150
151 ACPI_FUNCTION_TRACE ("acpi_remove_address_space_handler");
152 144
145 ACPI_FUNCTION_TRACE("acpi_remove_address_space_handler");
153 146
154 /* Parameter validation */ 147 /* Parameter validation */
155 148
156 if (!device) { 149 if (!device) {
157 return_ACPI_STATUS (AE_BAD_PARAMETER); 150 return_ACPI_STATUS(AE_BAD_PARAMETER);
158 } 151 }
159 152
160 status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); 153 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
161 if (ACPI_FAILURE (status)) { 154 if (ACPI_FAILURE(status)) {
162 return_ACPI_STATUS (status); 155 return_ACPI_STATUS(status);
163 } 156 }
164 157
165 /* Convert and validate the device handle */ 158 /* Convert and validate the device handle */
166 159
167 node = acpi_ns_map_handle_to_node (device); 160 node = acpi_ns_map_handle_to_node(device);
168 if (!node) { 161 if (!node) {
169 status = AE_BAD_PARAMETER; 162 status = AE_BAD_PARAMETER;
170 goto unlock_and_exit; 163 goto unlock_and_exit;
@@ -172,7 +165,7 @@ acpi_remove_address_space_handler (
172 165
173 /* Make sure the internal object exists */ 166 /* Make sure the internal object exists */
174 167
175 obj_desc = acpi_ns_get_attached_object (node); 168 obj_desc = acpi_ns_get_attached_object(node);
176 if (!obj_desc) { 169 if (!obj_desc) {
177 status = AE_NOT_EXIST; 170 status = AE_NOT_EXIST;
178 goto unlock_and_exit; 171 goto unlock_and_exit;
@@ -188,10 +181,11 @@ acpi_remove_address_space_handler (
188 if (handler_obj->address_space.space_id == space_id) { 181 if (handler_obj->address_space.space_id == space_id) {
189 /* Matched space_id, first dereference this in the Regions */ 182 /* Matched space_id, first dereference this in the Regions */
190 183
191 ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, 184 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
192 "Removing address handler %p(%p) for region %s on Device %p(%p)\n", 185 "Removing address handler %p(%p) for region %s on Device %p(%p)\n",
193 handler_obj, handler, acpi_ut_get_region_name (space_id), 186 handler_obj, handler,
194 node, obj_desc)); 187 acpi_ut_get_region_name(space_id),
188 node, obj_desc));
195 189
196 region_obj = handler_obj->address_space.region_list; 190 region_obj = handler_obj->address_space.region_list;
197 191
@@ -205,13 +199,14 @@ acpi_remove_address_space_handler (
205 * The region is just inaccessible as indicated to 199 * The region is just inaccessible as indicated to
206 * the _REG method 200 * the _REG method
207 */ 201 */
208 acpi_ev_detach_region (region_obj, TRUE); 202 acpi_ev_detach_region(region_obj, TRUE);
209 203
210 /* 204 /*
211 * Walk the list: Just grab the head because the 205 * Walk the list: Just grab the head because the
212 * detach_region removed the previous head. 206 * detach_region removed the previous head.
213 */ 207 */
214 region_obj = handler_obj->address_space.region_list; 208 region_obj =
209 handler_obj->address_space.region_list;
215 210
216 } 211 }
217 212
@@ -221,7 +216,7 @@ acpi_remove_address_space_handler (
221 216
222 /* Now we can delete the handler object */ 217 /* Now we can delete the handler object */
223 218
224 acpi_ut_remove_reference (handler_obj); 219 acpi_ut_remove_reference(handler_obj);
225 goto unlock_and_exit; 220 goto unlock_and_exit;
226 } 221 }
227 222
@@ -233,15 +228,16 @@ acpi_remove_address_space_handler (
233 228
234 /* The handler does not exist */ 229 /* The handler does not exist */
235 230
236 ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, 231 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
237 "Unable to remove address handler %p for %s(%X), dev_node %p, obj %p\n", 232 "Unable to remove address handler %p for %s(%X), dev_node %p, obj %p\n",
238 handler, acpi_ut_get_region_name (space_id), space_id, node, obj_desc)); 233 handler, acpi_ut_get_region_name(space_id), space_id,
234 node, obj_desc));
239 235
240 status = AE_NOT_EXIST; 236 status = AE_NOT_EXIST;
241 237
242unlock_and_exit: 238 unlock_and_exit:
243 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 239 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
244 return_ACPI_STATUS (status); 240 return_ACPI_STATUS(status);
245} 241}
246EXPORT_SYMBOL(acpi_remove_address_space_handler);
247 242
243EXPORT_SYMBOL(acpi_remove_address_space_handler);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 22:59:21 -0500