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path: root/drivers/acpi/executer/exsystem.c
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Diffstat (limited to 'drivers/acpi/executer/exsystem.c')
-rw-r--r--drivers/acpi/executer/exsystem.c183
1 files changed, 72 insertions, 111 deletions
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index cafa702108dc..8a88b841237d 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -42,14 +42,12 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acinterp.h>
#include <acpi/acevents.h>
#define _COMPONENT ACPI_EXECUTER
- ACPI_MODULE_NAME ("exsystem")
-
+ACPI_MODULE_NAME("exsystem")
/*******************************************************************************
*
@@ -65,49 +63,42 @@
* interpreter is released.
*
******************************************************************************/
-
-acpi_status
-acpi_ex_system_wait_semaphore (
- acpi_handle semaphore,
- u16 timeout)
+acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
{
- acpi_status status;
- acpi_status status2;
-
+ acpi_status status;
+ acpi_status status2;
- ACPI_FUNCTION_TRACE ("ex_system_wait_semaphore");
+ ACPI_FUNCTION_TRACE("ex_system_wait_semaphore");
-
- status = acpi_os_wait_semaphore (semaphore, 1, 0);
- if (ACPI_SUCCESS (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_os_wait_semaphore(semaphore, 1, 0);
+ if (ACPI_SUCCESS(status)) {
+ return_ACPI_STATUS(status);
}
if (status == AE_TIME) {
/* We must wait, so unlock the interpreter */
- acpi_ex_exit_interpreter ();
+ acpi_ex_exit_interpreter();
- status = acpi_os_wait_semaphore (semaphore, 1, timeout);
+ status = acpi_os_wait_semaphore(semaphore, 1, timeout);
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "*** Thread awake after blocking, %s\n",
- acpi_format_exception (status)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "*** Thread awake after blocking, %s\n",
+ acpi_format_exception(status)));
/* Reacquire the interpreter */
- status2 = acpi_ex_enter_interpreter ();
- if (ACPI_FAILURE (status2)) {
+ status2 = acpi_ex_enter_interpreter();
+ if (ACPI_FAILURE(status2)) {
/* Report fatal error, could not acquire interpreter */
- return_ACPI_STATUS (status2);
+ return_ACPI_STATUS(status2);
}
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_do_stall
@@ -125,35 +116,29 @@ acpi_ex_system_wait_semaphore (
*
******************************************************************************/
-acpi_status
-acpi_ex_system_do_stall (
- u32 how_long)
+acpi_status acpi_ex_system_do_stall(u32 how_long)
{
- acpi_status status = AE_OK;
-
+ acpi_status status = AE_OK;
- ACPI_FUNCTION_ENTRY ();
+ ACPI_FUNCTION_ENTRY();
-
- if (how_long > 255) /* 255 microseconds */ {
+ if (how_long > 255) { /* 255 microseconds */
/*
* Longer than 255 usec, this is an error
*
* (ACPI specifies 100 usec as max, but this gives some slack in
* order to support existing BIOSs)
*/
- ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n",
- how_long));
+ ACPI_REPORT_ERROR(("Stall: Time parameter is too large (%d)\n",
+ how_long));
status = AE_AML_OPERAND_VALUE;
- }
- else {
- acpi_os_stall (how_long);
+ } else {
+ acpi_os_stall(how_long);
}
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_do_suspend
@@ -167,29 +152,24 @@ acpi_ex_system_do_stall (
*
******************************************************************************/
-acpi_status
-acpi_ex_system_do_suspend (
- acpi_integer how_long)
+acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_ENTRY ();
+ acpi_status status;
+ ACPI_FUNCTION_ENTRY();
/* Since this thread will sleep, we must release the interpreter */
- acpi_ex_exit_interpreter ();
+ acpi_ex_exit_interpreter();
- acpi_os_sleep (how_long);
+ acpi_os_sleep(how_long);
/* And now we must get the interpreter again */
- status = acpi_ex_enter_interpreter ();
+ status = acpi_ex_enter_interpreter();
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_acquire_mutex
@@ -206,33 +186,30 @@ acpi_ex_system_do_suspend (
******************************************************************************/
acpi_status
-acpi_ex_system_acquire_mutex (
- union acpi_operand_object *time_desc,
- union acpi_operand_object *obj_desc)
+acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc,
+ union acpi_operand_object * obj_desc)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ex_system_acquire_mutex", obj_desc);
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE_PTR("ex_system_acquire_mutex", obj_desc);
if (!obj_desc) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Support for the _GL_ Mutex object -- go get the global lock */
if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
- status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value);
- return_ACPI_STATUS (status);
+ status =
+ acpi_ev_acquire_global_lock((u16) time_desc->integer.value);
+ return_ACPI_STATUS(status);
}
- status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore,
- (u16) time_desc->integer.value);
- return_ACPI_STATUS (status);
+ status = acpi_ex_system_wait_semaphore(obj_desc->mutex.semaphore,
+ (u16) time_desc->integer.value);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_release_mutex
@@ -248,32 +225,27 @@ acpi_ex_system_acquire_mutex (
*
******************************************************************************/
-acpi_status
-acpi_ex_system_release_mutex (
- union acpi_operand_object *obj_desc)
+acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_release_mutex");
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE("ex_system_release_mutex");
if (!obj_desc) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Support for the _GL_ Mutex object -- release the global lock */
if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
- status = acpi_ev_release_global_lock ();
- return_ACPI_STATUS (status);
+ status = acpi_ev_release_global_lock();
+ return_ACPI_STATUS(status);
}
- status = acpi_os_signal_semaphore (obj_desc->mutex.semaphore, 1);
- return_ACPI_STATUS (status);
+ status = acpi_os_signal_semaphore(obj_desc->mutex.semaphore, 1);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_signal_event
@@ -287,24 +259,19 @@ acpi_ex_system_release_mutex (
*
******************************************************************************/
-acpi_status
-acpi_ex_system_signal_event (
- union acpi_operand_object *obj_desc)
+acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_signal_event");
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE("ex_system_signal_event");
if (obj_desc) {
- status = acpi_os_signal_semaphore (obj_desc->event.semaphore, 1);
+ status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_wait_event
@@ -321,25 +288,23 @@ acpi_ex_system_signal_event (
******************************************************************************/
acpi_status
-acpi_ex_system_wait_event (
- union acpi_operand_object *time_desc,
- union acpi_operand_object *obj_desc)
+acpi_ex_system_wait_event(union acpi_operand_object *time_desc,
+ union acpi_operand_object *obj_desc)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE ("ex_system_wait_event");
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE("ex_system_wait_event");
if (obj_desc) {
- status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore,
- (u16) time_desc->integer.value);
+ status =
+ acpi_ex_system_wait_semaphore(obj_desc->event.semaphore,
+ (u16) time_desc->integer.
+ value);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_reset_event
@@ -352,27 +317,23 @@ acpi_ex_system_wait_event (
*
******************************************************************************/
-acpi_status
-acpi_ex_system_reset_event (
- union acpi_operand_object *obj_desc)
+acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc)
{
- acpi_status status = AE_OK;
- void *temp_semaphore;
-
-
- ACPI_FUNCTION_ENTRY ();
+ acpi_status status = AE_OK;
+ void *temp_semaphore;
+ ACPI_FUNCTION_ENTRY();
/*
* We are going to simply delete the existing semaphore and
* create a new one!
*/
- status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
- if (ACPI_SUCCESS (status)) {
- (void) acpi_os_delete_semaphore (obj_desc->event.semaphore);
+ status =
+ acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore);
+ if (ACPI_SUCCESS(status)) {
+ (void)acpi_os_delete_semaphore(obj_desc->event.semaphore);
obj_desc->event.semaphore = temp_semaphore;
}
return (status);
}
-