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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-11-26 10:29:54 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-11-26 10:29:54 +0100
commit713608a30b0a5f5b0866a7c4f462e51b362ee06d (patch)
treeb244dbb0703b7a2bc968d76c6c186a84e5a12499 /drivers
parentb4447c0dcd0d270e98a88e34df52cb097acd0fd2 (diff)
parentc7ccf10bb92e68d8eb09f1b9635df7fbce0190d9 (diff)
downloadlinux-713608a30b0a5f5b0866a7c4f462e51b362ee06d.tar.bz2
Merge branch 'acpica'
* acpica: ACPICA: Update version to 20191018 ACPICA: debugger: remove leading whitespaces when converting a string to a buffer ACPICA: acpiexec: initialize all simple types and field units from user input ACPICA: debugger: add field unit support for acpi_db_get_next_token ACPICA: debugger: surround field unit output with braces '{' ACPICA: debugger: add command to dump all fields of particular subtype ACPICA: utilities: add flag to only display data when dumping buffers ACPICA: make acpi_load_table() return table index ACPICA: Add new external interface, acpi_unload_table() ACPICA: More Clang changes ACPICA: Win OSL: Replace get_tick_count with get_tick_count64 ACPICA: Results from Clang
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/acpi_configfs.c4
-rw-r--r--drivers/acpi/acpica/acdebug.h2
-rw-r--r--drivers/acpi/acpica/acstruct.h10
-rw-r--r--drivers/acpi/acpica/acutils.h9
-rw-r--r--drivers/acpi/acpica/dbconvert.c4
-rw-r--r--drivers/acpi/acpica/dbdisply.c2
-rw-r--r--drivers/acpi/acpica/dbfileio.c2
-rw-r--r--drivers/acpi/acpica/dbinput.c36
-rw-r--r--drivers/acpi/acpica/dbmethod.c4
-rw-r--r--drivers/acpi/acpica/dbnames.c114
-rw-r--r--drivers/acpi/acpica/dbobject.c1
-rw-r--r--drivers/acpi/acpica/dscontrol.c2
-rw-r--r--drivers/acpi/acpica/dsfield.c12
-rw-r--r--drivers/acpi/acpica/evgpeblk.c11
-rw-r--r--drivers/acpi/acpica/evgpeinit.c3
-rw-r--r--drivers/acpi/acpica/evmisc.c12
-rw-r--r--drivers/acpi/acpica/evregion.c4
-rw-r--r--drivers/acpi/acpica/evrgnini.c1
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c3
-rw-r--r--drivers/acpi/acpica/nsconvert.c2
-rw-r--r--drivers/acpi/acpica/nsdump.c6
-rw-r--r--drivers/acpi/acpica/nsxfname.c4
-rw-r--r--drivers/acpi/acpica/psobject.c7
-rw-r--r--drivers/acpi/acpica/rscreate.c3
-rw-r--r--drivers/acpi/acpica/tbdata.c3
-rw-r--r--drivers/acpi/acpica/tbxfload.c40
-rw-r--r--drivers/acpi/acpica/utbuffer.c52
-rw-r--r--drivers/acpi/acpica/utids.c2
-rw-r--r--drivers/acpi/acpica/uttrack.c2
-rw-r--r--drivers/firmware/efi/efi.c2
30 files changed, 286 insertions, 73 deletions
diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c
index 57d9d574d4dd..ece8c1a921cc 100644
--- a/drivers/acpi/acpi_configfs.c
+++ b/drivers/acpi/acpi_configfs.c
@@ -53,7 +53,7 @@ static ssize_t acpi_table_aml_write(struct config_item *cfg,
if (!table->header)
return -ENOMEM;
- ret = acpi_load_table(table->header);
+ ret = acpi_load_table(table->header, &table->index);
if (ret) {
kfree(table->header);
table->header = NULL;
@@ -223,7 +223,7 @@ static void acpi_table_drop_item(struct config_group *group,
struct acpi_table *table = container_of(cfg, struct acpi_table, cfg);
ACPI_INFO(("Host-directed Dynamic ACPI Table Unload"));
- acpi_tb_unload_table(table->index);
+ acpi_unload_table(table->index);
}
static struct configfs_group_operations acpi_table_group_ops = {
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 32f2e38c7570..694cf206fa9a 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -148,6 +148,8 @@ void acpi_db_find_references(char *object_arg);
void acpi_db_get_bus_info(void);
+acpi_status acpi_db_display_fields(u32 address_space_id);
+
/*
* dbdisply - debug display commands
*/
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 218ff4c8b817..2043dff370b1 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -192,6 +192,16 @@ struct acpi_device_walk_info {
u32 num_INI;
};
+/* Info used by Acpi acpi_db_display_fields */
+
+struct acpi_region_walk_info {
+ u32 debug_level;
+ u32 count;
+ acpi_owner_id owner_id;
+ u8 display_type;
+ u32 address_space_id;
+};
+
/* TBD: [Restructure] Merge with struct above */
struct acpi_walk_info {
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 601808be86d1..5fb50634e08e 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -142,10 +142,11 @@ struct acpi_pkg_info {
/* acpi_ut_dump_buffer */
-#define DB_BYTE_DISPLAY 1
-#define DB_WORD_DISPLAY 2
-#define DB_DWORD_DISPLAY 4
-#define DB_QWORD_DISPLAY 8
+#define DB_BYTE_DISPLAY 0x01
+#define DB_WORD_DISPLAY 0x02
+#define DB_DWORD_DISPLAY 0x04
+#define DB_QWORD_DISPLAY 0x08
+#define DB_DISPLAY_DATA_ONLY 0x10
/*
* utascii - ASCII utilities
diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c
index 9fd9a98a9cbe..2b84ac093698 100644
--- a/drivers/acpi/acpica/dbconvert.c
+++ b/drivers/acpi/acpica/dbconvert.c
@@ -106,6 +106,10 @@ acpi_db_convert_to_buffer(char *string, union acpi_object *object)
u8 *buffer;
acpi_status status;
+ /* Skip all preceding white space */
+
+ acpi_ut_remove_whitespace(&string);
+
/* Generate the final buffer length */
for (i = 0, length = 0; string[i];) {
diff --git a/drivers/acpi/acpica/dbdisply.c b/drivers/acpi/acpica/dbdisply.c
index 30ab62b0fec8..f2df416d0d2d 100644
--- a/drivers/acpi/acpica/dbdisply.c
+++ b/drivers/acpi/acpica/dbdisply.c
@@ -513,7 +513,6 @@ void acpi_db_display_results(void)
return;
}
- obj_desc = walk_state->method_desc;
node = walk_state->method_node;
if (walk_state->results) {
@@ -565,7 +564,6 @@ void acpi_db_display_calling_tree(void)
return;
}
- node = walk_state->method_node;
acpi_os_printf("Current Control Method Call Tree\n");
while (walk_state) {
diff --git a/drivers/acpi/acpica/dbfileio.c b/drivers/acpi/acpica/dbfileio.c
index c6e25734dc5c..e1b6e54a96ac 100644
--- a/drivers/acpi/acpica/dbfileio.c
+++ b/drivers/acpi/acpica/dbfileio.c
@@ -93,7 +93,7 @@ acpi_status acpi_db_load_tables(struct acpi_new_table_desc *list_head)
while (table_list_head) {
table = table_list_head->table;
- status = acpi_load_table(table);
+ status = acpi_load_table(table, NULL);
if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
acpi_os_printf
diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c
index 55a7e10998d8..e1632b340182 100644
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -50,6 +50,7 @@ enum acpi_ex_debugger_commands {
CMD_EVALUATE,
CMD_EXECUTE,
CMD_EXIT,
+ CMD_FIELDS,
CMD_FIND,
CMD_GO,
CMD_HANDLERS,
@@ -127,6 +128,7 @@ static const struct acpi_db_command_info acpi_gbl_db_commands[] = {
{"EVALUATE", 1},
{"EXECUTE", 1},
{"EXIT", 0},
+ {"FIELDS", 1},
{"FIND", 1},
{"GO", 0},
{"HANDLERS", 0},
@@ -200,6 +202,8 @@ static const struct acpi_db_command_help acpi_gbl_db_command_help[] = {
"Find ACPI name(s) with wildcards\n"},
{1, " Integrity", "Validate namespace integrity\n"},
{1, " Methods", "Display list of loaded control methods\n"},
+ {1, " Fields <AddressSpaceId>",
+ "Display list of loaded field units by space ID\n"},
{1, " Namespace [Object] [Depth]",
"Display loaded namespace tree/subtree\n"},
{1, " Notify <Object> <Value>", "Send a notification on Object\n"},
@@ -507,6 +511,21 @@ char *acpi_db_get_next_token(char *string,
}
break;
+ case '{':
+
+ /* This is the start of a field unit, scan until closing brace */
+
+ string++;
+ start = string;
+ type = ACPI_TYPE_FIELD_UNIT;
+
+ /* Find end of buffer */
+
+ while (*string && (*string != '}')) {
+ string++;
+ }
+ break;
+
case '[':
/* This is the start of a package, scan until closing bracket */
@@ -674,6 +693,7 @@ acpi_db_command_dispatch(char *input_buffer,
union acpi_parse_object *op)
{
u32 temp;
+ u64 temp64;
u32 command_index;
u32 param_count;
char *command_line;
@@ -689,7 +709,6 @@ acpi_db_command_dispatch(char *input_buffer,
param_count = acpi_db_get_line(input_buffer);
command_index = acpi_db_match_command(acpi_gbl_db_args[0]);
- temp = 0;
/*
* We don't want to add the !! command to the history buffer. It
@@ -790,6 +809,21 @@ acpi_db_command_dispatch(char *input_buffer,
status = acpi_db_find_name_in_namespace(acpi_gbl_db_args[1]);
break;
+ case CMD_FIELDS:
+
+ status = acpi_ut_strtoul64(acpi_gbl_db_args[1], &temp64);
+
+ if (ACPI_FAILURE(status)
+ || temp64 >= ACPI_NUM_PREDEFINED_REGIONS) {
+ acpi_os_printf
+ ("Invalid adress space ID: must be between 0 and %u inclusive\n",
+ ACPI_NUM_PREDEFINED_REGIONS - 1);
+ return (AE_OK);
+ }
+
+ status = acpi_db_display_fields((u32)temp64);
+ break;
+
case CMD_GO:
acpi_gbl_cm_single_step = FALSE;
diff --git a/drivers/acpi/acpica/dbmethod.c b/drivers/acpi/acpica/dbmethod.c
index 76a15b6ffc5d..4e48a7de7413 100644
--- a/drivers/acpi/acpica/dbmethod.c
+++ b/drivers/acpi/acpica/dbmethod.c
@@ -321,6 +321,10 @@ acpi_status acpi_db_disassemble_method(char *name)
walk_state->parse_flags |= ACPI_PARSE_DISASSEMBLE;
status = acpi_ps_parse_aml(walk_state);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
(void)acpi_dm_parse_deferred_ops(op);
/* Now we can disassemble the method */
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c
index 63fe30e86807..3615e1a6efd8 100644
--- a/drivers/acpi/acpica/dbnames.c
+++ b/drivers/acpi/acpica/dbnames.c
@@ -10,6 +10,7 @@
#include "acnamesp.h"
#include "acdebug.h"
#include "acpredef.h"
+#include "acinterp.h"
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbnames")
@@ -504,6 +505,86 @@ acpi_db_walk_for_object_counts(acpi_handle obj_handle,
/*******************************************************************************
*
+ * FUNCTION: acpi_db_walk_for_fields
+ *
+ * PARAMETERS: Callback from walk_namespace
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Display short info about objects in the namespace
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_db_walk_for_fields(acpi_handle obj_handle,
+ u32 nesting_level, void *context, void **return_value)
+{
+ union acpi_object *ret_value;
+ struct acpi_region_walk_info *info =
+ (struct acpi_region_walk_info *)context;
+ struct acpi_buffer buffer;
+ acpi_status status;
+ struct acpi_namespace_node *node = acpi_ns_validate_handle(obj_handle);
+
+ if (!node) {
+ return (AE_OK);
+ }
+ if (node->object->field.region_obj->region.space_id !=
+ info->address_space_id) {
+ return (AE_OK);
+ }
+
+ info->count++;
+
+ /* Get and display the full pathname to this object */
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_printf("Could Not get pathname for object %p\n",
+ obj_handle);
+ return (AE_OK);
+ }
+
+ acpi_os_printf("%s ", (char *)buffer.pointer);
+ ACPI_FREE(buffer.pointer);
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ acpi_evaluate_object(obj_handle, NULL, NULL, &buffer);
+
+ /*
+ * Since this is a field unit, surround the output in braces
+ */
+ acpi_os_printf("{");
+
+ ret_value = (union acpi_object *)buffer.pointer;
+ switch (ret_value->type) {
+ case ACPI_TYPE_INTEGER:
+
+ acpi_os_printf("%8.8X%8.8X",
+ ACPI_FORMAT_UINT64(ret_value->integer.value));
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ acpi_ut_dump_buffer(ret_value->buffer.pointer,
+ ret_value->buffer.length,
+ DB_DISPLAY_DATA_ONLY | DB_BYTE_DISPLAY, 0);
+ break;
+
+ default:
+
+ break;
+ }
+ acpi_os_printf("}\n");
+
+ ACPI_FREE(buffer.pointer);
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_db_walk_for_specific_objects
*
* PARAMETERS: Callback from walk_namespace
@@ -630,6 +711,39 @@ acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg)
/*******************************************************************************
*
+ * FUNCTION: acpi_db_display_fields
+ *
+ * PARAMETERS: obj_type_arg - Type of object to display
+ * display_count_arg - Max depth to display
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Display objects in the namespace of the requested type
+ *
+ ******************************************************************************/
+
+acpi_status acpi_db_display_fields(u32 address_space_id)
+{
+ struct acpi_region_walk_info info;
+
+ info.count = 0;
+ info.owner_id = ACPI_OWNER_ID_MAX;
+ info.debug_level = ACPI_UINT32_MAX;
+ info.display_type = ACPI_DISPLAY_SUMMARY | ACPI_DISPLAY_SHORT;
+ info.address_space_id = address_space_id;
+
+ /* Walk the namespace from the root */
+
+ (void)acpi_walk_namespace(ACPI_TYPE_LOCAL_REGION_FIELD,
+ ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+ acpi_db_walk_for_fields, NULL, (void *)&info,
+ NULL);
+
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_db_integrity_walk
*
* PARAMETERS: Callback from walk_namespace
diff --git a/drivers/acpi/acpica/dbobject.c b/drivers/acpi/acpica/dbobject.c
index f9fc84bc3e84..4b4c530a0654 100644
--- a/drivers/acpi/acpica/dbobject.c
+++ b/drivers/acpi/acpica/dbobject.c
@@ -464,7 +464,6 @@ void acpi_db_decode_arguments(struct acpi_walk_state *walk_state)
u8 display_args = FALSE;
node = walk_state->method_node;
- obj_desc = walk_state->method_desc;
/* There are no arguments for the module-level code case */
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
index 4847f89c678c..5034fab9cf69 100644
--- a/drivers/acpi/acpica/dscontrol.c
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -85,7 +85,7 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
walk_state->parser_state.pkg_end;
control_state->control.opcode = op->common.aml_opcode;
control_state->control.loop_timeout = acpi_os_get_timer() +
- (u64)(acpi_gbl_max_loop_iterations * ACPI_100NSEC_PER_SEC);
+ ((u64)acpi_gbl_max_loop_iterations * ACPI_100NSEC_PER_SEC);
/* Push the control state on this walk's control stack */
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index cf4e061bb0f0..faa38a22263a 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -149,7 +149,6 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
if (walk_state->deferred_node) {
node = walk_state->deferred_node;
- status = AE_OK;
} else {
/* Execute flag should always be set when this function is entered */
@@ -264,7 +263,6 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
union acpi_parse_object *child;
#ifdef ACPI_EXEC_APP
- u64 value = 0;
union acpi_operand_object *result_desc;
union acpi_operand_object *obj_desc;
char *name_path;
@@ -406,19 +404,17 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
name_path =
acpi_ns_get_external_pathname(info->
field_node);
- obj_desc =
- acpi_ut_create_integer_object
- (value);
if (ACPI_SUCCESS
(ae_lookup_init_file_entry
- (name_path, &value))) {
+ (name_path, &obj_desc))) {
acpi_ex_write_data_to_field
(obj_desc,
acpi_ns_get_attached_object
(info->field_node),
&result_desc);
+ acpi_ut_remove_reference
+ (obj_desc);
}
- acpi_ut_remove_reference(obj_desc);
ACPI_FREE(name_path);
#endif
}
@@ -636,8 +632,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
}
/* Name already exists, just ignore this error */
-
- status = AE_OK;
}
arg->common.node = node;
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index fb15e9e2373b..9c7adaa7b582 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -110,6 +110,9 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
status =
acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block, NULL);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
if (!gpe_block->previous && !gpe_block->next) {
@@ -359,10 +362,10 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
walk_info.gpe_device = gpe_device;
walk_info.execute_by_owner_id = FALSE;
- status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
- ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
- acpi_ev_match_gpe_method, NULL,
- &walk_info, NULL);
+ (void)acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
+ ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
+ acpi_ev_match_gpe_method, NULL, &walk_info,
+ NULL);
/* Return the new block */
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index b04f982e59fa..70d21d5ec5f3 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -156,8 +156,6 @@ acpi_status acpi_ev_gpe_initialize(void)
* GPE0 and GPE1 do not have to be contiguous in the GPE number
* space. However, GPE0 always starts at GPE number zero.
*/
- gpe_number_max = acpi_gbl_FADT.gpe1_base +
- ((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
}
}
@@ -169,7 +167,6 @@ acpi_status acpi_ev_gpe_initialize(void)
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"There are no GPE blocks defined in the FADT\n"));
- status = AE_OK;
goto cleanup;
}
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index d45f7639f7ee..aa98fe07cd1b 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -230,11 +230,15 @@ void acpi_ev_terminate(void)
/* Disable all GPEs in all GPE blocks */
status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block, NULL);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not disable GPEs in GPE block"));
+ }
status = acpi_ev_remove_global_lock_handler();
if (ACPI_FAILURE(status)) {
- ACPI_ERROR((AE_INFO,
- "Could not remove Global Lock handler"));
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not remove Global Lock handler"));
}
acpi_gbl_events_initialized = FALSE;
@@ -250,6 +254,10 @@ void acpi_ev_terminate(void)
/* Deallocate all handler objects installed within GPE info structs */
status = acpi_ev_walk_gpe_list(acpi_ev_delete_gpe_handlers, NULL);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Could not delete GPE handlers"));
+ }
/* Return to original mode if necessary */
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 45dc797df05d..1ff126460007 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -836,11 +836,11 @@ acpi_ev_orphan_ec_reg_method(struct acpi_namespace_node *ec_device_node)
objects[1].type = ACPI_TYPE_INTEGER;
objects[1].integer.value = ACPI_REG_CONNECT;
- status = acpi_evaluate_object(reg_method, NULL, &args, NULL);
+ (void)acpi_evaluate_object(reg_method, NULL, &args, NULL);
exit:
/* We ignore all errors from above, don't care */
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ (void)acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
return_VOID;
}
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index 0b47bbcd2a23..aee09640d710 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -198,7 +198,6 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
* root bridge. Still need to return a context object
* for the new PCI_Config operation region, however.
*/
- status = AE_OK;
} else {
ACPI_EXCEPTION((AE_INFO, status,
"Could not install PciConfig handler "
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index abbf9702aa7f..2919746c9041 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -166,6 +166,9 @@ acpi_status acpi_enter_sleep_state_s4bios(void)
status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
(u32)acpi_gbl_FADT.s4_bios_request, 8);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
do {
acpi_os_stall(ACPI_USEC_PER_MSEC);
diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c
index 14cbf63f1991..c86d0770ed6e 100644
--- a/drivers/acpi/acpica/nsconvert.c
+++ b/drivers/acpi/acpica/nsconvert.c
@@ -486,5 +486,5 @@ acpi_ns_convert_to_reference(struct acpi_namespace_node *scope,
error_exit:
ACPI_FREE(name);
*return_object = new_object;
- return (AE_OK);
+ return (status);
}
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 9731d7cf1b83..9ad340f644a1 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -291,7 +291,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
for (i = 0;
(i < obj_desc->buffer.length
&& i < 12); i++) {
- acpi_os_printf(" %.2hX",
+ acpi_os_printf(" %2.2X",
obj_desc->buffer.
pointer[i]);
}
@@ -404,7 +404,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
case ACPI_TYPE_LOCAL_BANK_FIELD:
case ACPI_TYPE_LOCAL_INDEX_FIELD:
- acpi_os_printf(" Off %.3X Len %.2X Acc %.2hd\n",
+ acpi_os_printf(" Off %.3X Len %.2X Acc %.2X\n",
(obj_desc->common_field.
base_byte_offset * 8)
+
@@ -589,8 +589,6 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
goto cleanup;
}
-
- obj_type = ACPI_TYPE_INVALID; /* Terminate loop after next pass */
}
cleanup:
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index 55b4a5b3331f..161e60ddfb69 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -425,8 +425,8 @@ acpi_get_object_info(acpi_handle handle,
}
if (cls) {
- next_id_string = acpi_ns_copy_device_id(&info->class_code,
- cls, next_id_string);
+ (void)acpi_ns_copy_device_id(&info->class_code,
+ cls, next_id_string);
}
/* Copy the fixed-length data */
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index 98e5c7400e54..ded2779fc8ea 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -481,8 +481,7 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
walk_state->opcode = (*op)->common.aml_opcode;
status = walk_state->ascending_callback(walk_state);
- status =
- acpi_ps_next_parse_state(walk_state, *op, status);
+ (void)acpi_ps_next_parse_state(walk_state, *op, status);
status2 = acpi_ps_complete_this_op(walk_state, *op);
if (ACPI_FAILURE(status2)) {
@@ -490,7 +489,6 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
}
}
- status = AE_OK;
break;
case AE_CTRL_BREAK:
@@ -512,14 +510,13 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
walk_state->opcode = (*op)->common.aml_opcode;
status = walk_state->ascending_callback(walk_state);
- status = acpi_ps_next_parse_state(walk_state, *op, status);
+ (void)acpi_ps_next_parse_state(walk_state, *op, status);
status2 = acpi_ps_complete_this_op(walk_state, *op);
if (ACPI_FAILURE(status2)) {
return_ACPI_STATUS(status2);
}
- status = AE_OK;
break;
case AE_CTRL_TERMINATE:
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 570ea0df8a1b..c659b54985a5 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -312,6 +312,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
path_buffer.pointer = user_prt->source;
status = acpi_ns_handle_to_pathname((acpi_handle)node, &path_buffer, FALSE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
/* +1 to include null terminator */
diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c
index 309440010ab2..2cf36451e46f 100644
--- a/drivers/acpi/acpica/tbdata.c
+++ b/drivers/acpi/acpica/tbdata.c
@@ -933,6 +933,9 @@ acpi_tb_load_table(u32 table_index, struct acpi_namespace_node *parent_node)
}
status = acpi_ns_load_table(table_index, parent_node);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
/*
* Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is
diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c
index 86f1693f6d29..0782acf85722 100644
--- a/drivers/acpi/acpica/tbxfload.c
+++ b/drivers/acpi/acpica/tbxfload.c
@@ -268,6 +268,8 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_install_table)
*
* PARAMETERS: table - Pointer to a buffer containing the ACPI
* table to be loaded.
+ * table_idx - Pointer to a u32 for storing the table
+ * index, might be NULL
*
* RETURN: Status
*
@@ -278,7 +280,7 @@ ACPI_EXPORT_SYMBOL_INIT(acpi_install_table)
* to ensure that the table is not deleted or unmapped.
*
******************************************************************************/
-acpi_status acpi_load_table(struct acpi_table_header *table)
+acpi_status acpi_load_table(struct acpi_table_header *table, u32 *table_idx)
{
acpi_status status;
u32 table_index;
@@ -297,6 +299,10 @@ acpi_status acpi_load_table(struct acpi_table_header *table)
status = acpi_tb_install_and_load_table(ACPI_PTR_TO_PHYSADDR(table),
ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL,
FALSE, &table_index);
+ if (table_idx) {
+ *table_idx = table_index;
+ }
+
if (ACPI_SUCCESS(status)) {
/* Complete the initialization/resolution of new objects */
@@ -390,3 +396,35 @@ acpi_status acpi_unload_parent_table(acpi_handle object)
}
ACPI_EXPORT_SYMBOL(acpi_unload_parent_table)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_unload_table
+ *
+ * PARAMETERS: table_index - Index as returned by acpi_load_table
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Via the table_index representing an SSDT or OEMx table, unloads
+ * the table and deletes all namespace objects associated with
+ * that table. Unloading of the DSDT is not allowed.
+ * Note: Mainly intended to support hotplug removal of SSDTs.
+ *
+ ******************************************************************************/
+acpi_status acpi_unload_table(u32 table_index)
+{
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_unload_table);
+
+ if (table_index == 1) {
+
+ /* table_index==1 means DSDT is the owner. DSDT cannot be unloaded */
+
+ return_ACPI_STATUS(AE_TYPE);
+ }
+
+ status = acpi_tb_unload_table(table_index);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_unload_table)
diff --git a/drivers/acpi/acpica/utbuffer.c b/drivers/acpi/acpica/utbuffer.c
index 61db9967ebe4..db897af1de05 100644
--- a/drivers/acpi/acpica/utbuffer.c
+++ b/drivers/acpi/acpica/utbuffer.c
@@ -37,7 +37,9 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
u32 j;
u32 temp32;
u8 buf_char;
+ u32 display_data_only = display & DB_DISPLAY_DATA_ONLY;
+ display &= ~DB_DISPLAY_DATA_ONLY;
if (!buffer) {
acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
return;
@@ -53,7 +55,9 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
/* Print current offset */
- acpi_os_printf("%8.4X: ", (base_offset + i));
+ if (!display_data_only) {
+ acpi_os_printf("%8.4X: ", (base_offset + i));
+ }
/* Print 16 hex chars */
@@ -109,32 +113,34 @@ void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
* Print the ASCII equivalent characters but watch out for the bad
* unprintable ones (printable chars are 0x20 through 0x7E)
*/
- acpi_os_printf(" ");
- for (j = 0; j < 16; j++) {
- if (i + j >= count) {
- acpi_os_printf("\n");
- return;
+ if (!display_data_only) {
+ acpi_os_printf(" ");
+ for (j = 0; j < 16; j++) {
+ if (i + j >= count) {
+ acpi_os_printf("\n");
+ return;
+ }
+
+ /*
+ * Add comment characters so rest of line is ignored when
+ * compiled
+ */
+ if (j == 0) {
+ acpi_os_printf("// ");
+ }
+
+ buf_char = buffer[(acpi_size)i + j];
+ if (isprint(buf_char)) {
+ acpi_os_printf("%c", buf_char);
+ } else {
+ acpi_os_printf(".");
+ }
}
- /*
- * Add comment characters so rest of line is ignored when
- * compiled
- */
- if (j == 0) {
- acpi_os_printf("// ");
- }
+ /* Done with that line. */
- buf_char = buffer[(acpi_size)i + j];
- if (isprint(buf_char)) {
- acpi_os_printf("%c", buf_char);
- } else {
- acpi_os_printf(".");
- }
+ acpi_os_printf("\n");
}
-
- /* Done with that line. */
-
- acpi_os_printf("\n");
i += 16;
}
diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c
index e805abdd95b8..30198c828ab6 100644
--- a/drivers/acpi/acpica/utids.c
+++ b/drivers/acpi/acpica/utids.c
@@ -289,9 +289,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node *device_node,
value);
length = ACPI_EISAID_STRING_SIZE;
} else { /* ACPI_TYPE_STRING */
-
/* Copy the String CID from the returned object */
-
strcpy(next_id_string, cid_objects[i]->string.pointer);
length = cid_objects[i]->string.length + 1;
}
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index 8052f7ef5025..14de4d15e618 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -660,7 +660,7 @@ void acpi_ut_dump_allocations(u32 component, const char *module)
case ACPI_DESC_TYPE_PARSER:
acpi_os_printf
- ("AmlOpcode 0x%04hX\n",
+ ("AmlOpcode 0x%04X\n",
descriptor->op.asl.
aml_opcode);
break;
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index e98bbf8e56d9..8a492ce16b3b 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -296,7 +296,7 @@ static __init int efivar_ssdt_load(void)
goto free_data;
}
- ret = acpi_load_table(data);
+ ret = acpi_load_table(data, NULL);
if (ret) {
pr_err("failed to load table: %d\n", ret);
goto free_data;