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-rw-r--r--drivers/acpi/acpica/dswexec.c6
-rw-r--r--drivers/acpi/acpica/evxfregn.c92
-rw-r--r--include/acpi/acpixf.h130
3 files changed, 159 insertions, 69 deletions
diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c
index e8ad41387f84..b082eb942a0f 100644
--- a/drivers/acpi/acpica/dswexec.c
+++ b/drivers/acpi/acpica/dswexec.c
@@ -389,9 +389,11 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
/*
* All opcodes require operand resolution, with the only exceptions
- * being the object_type and size_of operators.
+ * being the object_type and size_of operators as well as opcodes that
+ * take no arguments.
*/
- if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) {
+ if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE) &&
+ (walk_state->op_info->flags & AML_HAS_ARGS)) {
/* Resolve all operands */
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index 0a8372bf6a77..a5c19f46ec17 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -20,13 +20,14 @@ ACPI_MODULE_NAME("evxfregn")
/*******************************************************************************
*
- * FUNCTION: acpi_install_address_space_handler
+ * FUNCTION: acpi_install_address_space_handler_internal
*
* PARAMETERS: device - Handle for the device
* space_id - The address space ID
* handler - Address of the handler
* setup - Address of the setup function
* context - Value passed to the handler on each access
+ * Run_reg - Run _REG methods for this address space?
*
* RETURN: Status
*
@@ -37,13 +38,16 @@ ACPI_MODULE_NAME("evxfregn")
* are executed here, and these methods can only be safely executed after
* the default handlers have been installed and the hardware has been
* initialized (via acpi_enable_subsystem.)
+ * To avoid this problem pass FALSE for Run_Reg and later on call
+ * acpi_execute_reg_methods() to execute _REG.
*
******************************************************************************/
-acpi_status
-acpi_install_address_space_handler(acpi_handle device,
- acpi_adr_space_type space_id,
- acpi_adr_space_handler handler,
- acpi_adr_space_setup setup, void *context)
+static acpi_status
+acpi_install_address_space_handler_internal(acpi_handle device,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup,
+ void *context, u8 run_reg)
{
struct acpi_namespace_node *node;
acpi_status status;
@@ -80,14 +84,40 @@ acpi_install_address_space_handler(acpi_handle device,
/* Run all _REG methods for this address space */
- acpi_ev_execute_reg_methods(node, space_id, ACPI_REG_CONNECT);
+ if (run_reg) {
+ acpi_ev_execute_reg_methods(node, space_id, ACPI_REG_CONNECT);
+ }
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_ACPI_STATUS(status);
}
+acpi_status
+acpi_install_address_space_handler(acpi_handle device,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup, void *context)
+{
+ return acpi_install_address_space_handler_internal(device, space_id,
+ handler, setup,
+ context, TRUE);
+}
+
ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler)
+acpi_status
+acpi_install_address_space_handler_no_reg(acpi_handle device,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup,
+ void *context)
+{
+ return acpi_install_address_space_handler_internal(device, space_id,
+ handler, setup,
+ context, FALSE);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler_no_reg)
/*******************************************************************************
*
@@ -228,3 +258,51 @@ unlock_and_exit:
}
ACPI_EXPORT_SYMBOL(acpi_remove_address_space_handler)
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_execute_reg_methods
+ *
+ * PARAMETERS: device - Handle for the device
+ * space_id - The address space ID
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Execute _REG for all op_regions of a given space_id.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_execute_reg_methods(acpi_handle device, acpi_adr_space_type space_id)
+{
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(acpi_execute_reg_methods);
+
+ /* Parameter validation */
+
+ if (!device) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Convert and validate the device handle */
+
+ node = acpi_ns_validate_handle(device);
+ if (node) {
+
+ /* Run all _REG methods for this address space */
+
+ acpi_ev_execute_reg_methods(node, space_id, ACPI_REG_CONNECT);
+ } else {
+ status = AE_BAD_PARAMETER;
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_execute_reg_methods)
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 9e49b37fc869..9778408f8db4 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -589,82 +589,92 @@ ACPI_EXTERNAL_RETURN_STATUS(acpi_status
acpi_install_initialization_handler
(acpi_init_handler handler, u32 function))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_install_sci_handler(acpi_sci_handler
- address,
- void *context))
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_remove_sci_handler(acpi_sci_handler
- address))
+ acpi_install_sci_handler(acpi_sci_handler
+ address,
+ void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_install_global_event_handler
- (acpi_gbl_event_handler handler,
- void *context))
+ acpi_remove_sci_handler(acpi_sci_handler
+ address))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_install_fixed_event_handler(u32
- acpi_event,
- acpi_event_handler
- handler,
- void
- *context))
+ acpi_install_global_event_handler
+ (acpi_gbl_event_handler handler,
+ void *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_remove_fixed_event_handler(u32 acpi_event,
+ acpi_install_fixed_event_handler(u32
+ acpi_event,
acpi_event_handler
- handler))
-ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_install_gpe_handler(acpi_handle
- gpe_device,
- u32 gpe_number,
- u32 type,
- acpi_gpe_handler
- address,
- void *context))
+ handler,
+ void
+ *context))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_install_gpe_raw_handler(acpi_handle
- gpe_device,
- u32 gpe_number,
- u32 type,
- acpi_gpe_handler
- address,
- void *context))
+ acpi_remove_fixed_event_handler(u32 acpi_event,
+ acpi_event_handler
+ handler))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
- acpi_remove_gpe_handler(acpi_handle gpe_device,
+ acpi_install_gpe_handler(acpi_handle
+ gpe_device,
u32 gpe_number,
+ u32 type,
acpi_gpe_handler
- address))
-ACPI_EXTERNAL_RETURN_STATUS(acpi_status
- acpi_install_notify_handler(acpi_handle device,
- u32 handler_type,
- acpi_notify_handler
- handler,
+ address,
void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_install_gpe_raw_handler(acpi_handle
+ gpe_device,
+ u32 gpe_number,
+ u32 type,
+ acpi_gpe_handler
+ address,
+ void *context))
+ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
+ acpi_remove_gpe_handler(acpi_handle gpe_device,
+ u32 gpe_number,
+ acpi_gpe_handler
+ address))
ACPI_EXTERNAL_RETURN_STATUS(acpi_status
- acpi_remove_notify_handler(acpi_handle device,
+ acpi_install_notify_handler(acpi_handle device,
u32 handler_type,
acpi_notify_handler
- handler))
-ACPI_EXTERNAL_RETURN_STATUS(acpi_status
- acpi_install_address_space_handler(acpi_handle
- device,
- acpi_adr_space_type
- space_id,
- acpi_adr_space_handler
- handler,
- acpi_adr_space_setup
- setup,
- void *context))
-ACPI_EXTERNAL_RETURN_STATUS(acpi_status
- acpi_remove_address_space_handler(acpi_handle
+ handler,
+ void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_remove_notify_handler(acpi_handle device,
+ u32 handler_type,
+ acpi_notify_handler
+ handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_install_address_space_handler(acpi_handle
device,
acpi_adr_space_type
space_id,
acpi_adr_space_handler
- handler))
-ACPI_EXTERNAL_RETURN_STATUS(acpi_status
- acpi_install_exception_handler
- (acpi_exception_handler handler))
-ACPI_EXTERNAL_RETURN_STATUS(acpi_status
- acpi_install_interface_handler
- (acpi_interface_handler handler))
+ handler,
+ acpi_adr_space_setup
+ setup,
+ void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_install_address_space_handler_no_reg
+ (acpi_handle device, acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup,
+ void *context))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_execute_reg_methods(acpi_handle device,
+ acpi_adr_space_type
+ space_id))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_remove_address_space_handler(acpi_handle
+ device,
+ acpi_adr_space_type
+ space_id,
+ acpi_adr_space_handler
+ handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_install_exception_handler
+ (acpi_exception_handler handler))
+ACPI_EXTERNAL_RETURN_STATUS(acpi_status
+ acpi_install_interface_handler
+ (acpi_interface_handler handler))
/*
* Global Lock interfaces
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 19:02:37 +0000