diff options
Diffstat (limited to 'drivers/acpi')
121 files changed, 2580 insertions, 1626 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index b4f5e854282..c52fca83326 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -140,6 +140,7 @@ config ACPI_VIDEO tristate "Video" depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL depends on INPUT + select THERMAL help This driver implement the ACPI Extensions For Display Adapters for integrated graphics devices on motherboard, as specified in @@ -151,6 +152,7 @@ config ACPI_VIDEO config ACPI_FAN tristate "Fan" + select THERMAL default y help This driver adds support for ACPI fan devices, allowing user-mode @@ -172,6 +174,7 @@ config ACPI_BAY config ACPI_PROCESSOR tristate "Processor" + select THERMAL default y help This driver installs ACPI as the idle handler for Linux, and uses diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c index 1fa86811b8e..d2fc9416184 100644 --- a/drivers/acpi/bay.c +++ b/drivers/acpi/bay.c @@ -201,6 +201,7 @@ static int is_ejectable_bay(acpi_handle handle) return 0; } +#if 0 /** * eject_removable_drive - try to eject this drive * @dev : the device structure of the drive @@ -225,6 +226,7 @@ int eject_removable_drive(struct device *dev) return 0; } EXPORT_SYMBOL_GPL(eject_removable_drive); +#endif /* 0 */ static int acpi_bay_add_fs(struct bay *bay) { diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c index f049639bac3..c78078315be 100644 --- a/drivers/acpi/dispatcher/dsfield.c +++ b/drivers/acpi/dispatcher/dsfield.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2007, R. Byron Moore + * Copyright (C) 2000 - 2008, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -89,12 +89,16 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, ACPI_FUNCTION_TRACE(ds_create_buffer_field); - /* Get the name_string argument */ - + /* + * Get the name_string argument (name of the new buffer_field) + */ if (op->common.aml_opcode == AML_CREATE_FIELD_OP) { + + /* For create_field, name is the 4th argument */ + arg = acpi_ps_get_arg(op, 3); } else { - /* Create Bit/Byte/Word/Dword field */ + /* For all other create_xXXField operators, name is the 3rd argument */ arg = acpi_ps_get_arg(op, 2); } @@ -107,26 +111,30 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, node = walk_state->deferred_node; status = AE_OK; } else { - /* - * During the load phase, we want to enter the name of the field into - * the namespace. During the execute phase (when we evaluate the size - * operand), we want to lookup the name - */ - if (walk_state->parse_flags & ACPI_PARSE_EXECUTE) { - flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE; - } else { - flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | - ACPI_NS_ERROR_IF_FOUND; + /* Execute flag should always be set when this function is entered */ + + if (!(walk_state->parse_flags & ACPI_PARSE_EXECUTE)) { + return_ACPI_STATUS(AE_AML_INTERNAL); } - /* - * Enter the name_string into the namespace - */ + /* Creating new namespace node, should not already exist */ + + flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | + ACPI_NS_ERROR_IF_FOUND; + + /* Mark node temporary if we are executing a method */ + + if (walk_state->method_node) { + flags |= ACPI_NS_TEMPORARY; + } + + /* Enter the name_string into the namespace */ + status = acpi_ns_lookup(walk_state->scope_info, arg->common.value.string, ACPI_TYPE_ANY, ACPI_IMODE_LOAD_PASS1, flags, walk_state, - &(node)); + &node); if (ACPI_FAILURE(status)) { ACPI_ERROR_NAMESPACE(arg->common.value.string, status); return_ACPI_STATUS(status); @@ -136,13 +144,13 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, /* * We could put the returned object (Node) on the object stack for later, * but for now, we will put it in the "op" object that the parser uses, - * so we can get it again at the end of this scope + * so we can get it again at the end of this scope. */ op->common.node = node; /* * If there is no object attached to the node, this node was just created - * and we need to create the field object. Otherwise, this was a lookup + * and we need to create the field object. Otherwise, this was a lookup * of an existing node and we don't want to create the field object again. */ obj_desc = acpi_ns_get_attached_object(node); @@ -164,9 +172,8 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, } /* - * Remembe |