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path: root/drivers/acpi/acpica/nsinit.c
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Diffstat (limited to 'drivers/acpi/acpica/nsinit.c')
-rw-r--r--drivers/acpi/acpica/nsinit.c99
1 files changed, 56 insertions, 43 deletions
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 2adfcf329e1..a3fb7e4c080 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2008, Intel Corp.
+ * Copyright (C) 2000 - 2014, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -46,7 +46,6 @@
#include "acnamesp.h"
#include "acdispat.h"
#include "acinterp.h"
-#include <linux/nmi.h>
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsinit")
@@ -87,7 +86,7 @@ acpi_status acpi_ns_initialize_objects(void)
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "Completing Region/Field/Buffer/Package initialization:"));
+ "Completing Region/Field/Buffer/Package initialization:\n"));
/* Set all init info to zero */
@@ -97,14 +96,14 @@ acpi_status acpi_ns_initialize_objects(void)
status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, acpi_ns_init_one_object,
- &info, NULL);
+ NULL, &info, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd "
- "Buffers %hd/%hd Packages (%hd nodes)\n",
+ " Initialized %u/%u Regions %u/%u Fields %u/%u "
+ "Buffers %u/%u Packages (%u nodes)\n",
info.op_region_init, info.op_region_count,
info.field_init, info.field_count,
info.buffer_init, info.buffer_count,
@@ -112,9 +111,8 @@ acpi_status acpi_ns_initialize_objects(void)
info.object_count));
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "%hd Control Methods found\n", info.method_count));
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "%hd Op Regions found\n", info.op_region_count));
+ "%u Control Methods found\n%u Op Regions found\n",
+ info.method_count, info.op_region_count));
return_ACPI_STATUS(AE_OK);
}
@@ -150,13 +148,14 @@ acpi_status acpi_ns_initialize_devices(void)
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
"Initializing Device/Processor/Thermal objects "
- "by executing _INI methods:"));
+ "and executing _INI/_STA methods:\n"));
/* Tree analysis: find all subtrees that contain _INI methods */
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE,
- acpi_ns_find_ini_methods, &info, NULL);
+ acpi_ns_find_ini_methods, NULL, &info,
+ NULL);
if (ACPI_FAILURE(status)) {
goto error_exit;
}
@@ -170,11 +169,36 @@ acpi_status acpi_ns_initialize_devices(void)
goto error_exit;
}
+ /*
+ * Execute the "global" _INI method that may appear at the root. This
+ * support is provided for Windows compatibility (Vista+) and is not
+ * part of the ACPI specification.
+ */
+ info.evaluate_info->prefix_node = acpi_gbl_root_node;
+ info.evaluate_info->relative_pathname = METHOD_NAME__INI;
+ info.evaluate_info->parameters = NULL;
+ info.evaluate_info->flags = ACPI_IGNORE_RETURN_VALUE;
+
+ status = acpi_ns_evaluate(info.evaluate_info);
+ if (ACPI_SUCCESS(status)) {
+ info.num_INI++;
+ }
+
/* Walk namespace to execute all _INIs on present devices */
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE,
- acpi_ns_init_one_device, &info, NULL);
+ acpi_ns_init_one_device, NULL, &info,
+ NULL);
+
+ /*
+ * Any _OSI requests should be completed by now. If the BIOS has
+ * requested any Windows OSI strings, we will always truncate
+ * I/O addresses to 16 bits -- for Windows compatibility.
+ */
+ if (acpi_gbl_osi_data >= ACPI_OSI_WIN_2000) {
+ acpi_gbl_truncate_io_addresses = TRUE;
+ }
ACPI_FREE(info.evaluate_info);
if (ACPI_FAILURE(status)) {
@@ -182,13 +206,13 @@ acpi_status acpi_ns_initialize_devices(void)
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "\nExecuted %hd _INI methods requiring %hd _STA executions "
- "(examined %hd objects)\n",
+ " Executed %u _INI methods requiring %u _STA executions "
+ "(examined %u objects)\n",
info.num_INI, info.num_STA, info.device_count));
return_ACPI_STATUS(status);
- error_exit:
+error_exit:
ACPI_EXCEPTION((AE_INFO, status, "During device initialization"));
return_ACPI_STATUS(status);
}
@@ -198,8 +222,8 @@ acpi_status acpi_ns_initialize_devices(void)
* FUNCTION: acpi_ns_init_one_object
*
* PARAMETERS: obj_handle - Node
- * Level - Current nesting level
- * Context - Points to a init info struct
+ * level - Current nesting level
+ * context - Points to a init info struct
* return_value - Not used
*
* RETURN: Status
@@ -241,28 +265,34 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
switch (type) {
case ACPI_TYPE_REGION:
+
info->op_region_count++;
break;
case ACPI_TYPE_BUFFER_FIELD:
+
info->field_count++;
break;
case ACPI_TYPE_LOCAL_BANK_FIELD:
+
info->field_count++;
break;
case ACPI_TYPE_BUFFER:
+
info->buffer_count++;
break;
case ACPI_TYPE_PACKAGE:
+
info->package_count++;
break;
default:
/* No init required, just exit now */
+
return (AE_OK);
}
@@ -312,7 +342,9 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
break;
default:
+
/* No other types can get here */
+
break;
}
@@ -324,14 +356,6 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
}
/*
- * Print a dot for each object unless we are going to print the entire
- * pathname
- */
- if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
-
- /*
* We ignore errors from above, and always return OK, since we don't want
* to abort the walk on any single error.
*/
@@ -384,7 +408,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle,
* The only _INI methods that we care about are those that are
* present under Device, Processor, and Thermal objects.
*/
- parent_node = acpi_ns_get_parent_node(node);
+ parent_node = node->parent;
switch (parent_node->type) {
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_PROCESSOR:
@@ -394,11 +418,12 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle,
while (parent_node) {
parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
- parent_node = acpi_ns_get_parent_node(parent_node);
+ parent_node = parent_node->parent;
}
break;
default:
+
break;
}
@@ -504,7 +529,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
* we will not run _INI, but we continue to examine the children
* of this device.
*
- * From the ACPI spec, description of _STA: (Note - no mention
+ * From the ACPI spec, description of _STA: (note - no mention
* of whether to run _INI or not on the device in question)
*
* "_STA may return bit 0 clear (not present) with bit 3 set
@@ -541,35 +566,23 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
(ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI));
+ ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info));
info->prefix_node = device_node;
- info->pathname = METHOD_NAME__INI;
+ info->relative_pathname = METHOD_NAME__INI;
info->parameters = NULL;
info->flags = ACPI_IGNORE_RETURN_VALUE;
- /*
- * Some hardware relies on this being executed as atomically
- * as possible (without an NMI being received in the middle of
- * this) - so disable NMIs and initialize the device:
- */
- acpi_nmi_disable();
status = acpi_ns_evaluate(info);
- acpi_nmi_enable();
if (ACPI_SUCCESS(status)) {
walk_info->num_INI++;
-
- if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
- (!(acpi_dbg_level & ACPI_LV_INFO))) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
}
#ifdef ACPI_DEBUG_OUTPUT
else if (status != AE_NOT_FOUND) {
/* Ignore error and move on to next device */
- char *scope_name =
- acpi_ns_get_external_pathname(info->resolved_node);
+ char *scope_name = acpi_ns_get_external_pathname(info->node);
ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
scope_name));
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 21:40:12 +0000