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Diffstat (limited to 'drivers/acpi/events/evevent.c')
-rw-r--r--drivers/acpi/events/evevent.c168
1 files changed, 66 insertions, 102 deletions
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index dd3a72a869f4..842d1e3fb37b 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -45,18 +45,12 @@
#include <acpi/acevents.h>
#define _COMPONENT ACPI_EVENTS
- ACPI_MODULE_NAME ("evevent")
+ACPI_MODULE_NAME("evevent")
/* Local prototypes */
+static acpi_status acpi_ev_fixed_event_initialize(void);
-static acpi_status
-acpi_ev_fixed_event_initialize (
- void);
-
-static u32
-acpi_ev_fixed_event_dispatch (
- u32 event);
-
+static u32 acpi_ev_fixed_event_dispatch(u32 event);
/*******************************************************************************
*
@@ -70,21 +64,17 @@ acpi_ev_fixed_event_dispatch (
*
******************************************************************************/
-acpi_status
-acpi_ev_initialize_events (
- void)
+acpi_status acpi_ev_initialize_events(void)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_initialize_events");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ev_initialize_events");
/* Make sure we have ACPI tables */
if (!acpi_gbl_DSDT) {
- ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No ACPI tables present!\n"));
- return_ACPI_STATUS (AE_NO_ACPI_TABLES);
+ ACPI_DEBUG_PRINT((ACPI_DB_WARN, "No ACPI tables present!\n"));
+ return_ACPI_STATUS(AE_NO_ACPI_TABLES);
}
/*
@@ -92,26 +82,22 @@ acpi_ev_initialize_events (
* enabling SCIs to prevent interrupts from occurring before the handlers are
* installed.
*/
- status = acpi_ev_fixed_event_initialize ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Unable to initialize fixed events, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ev_fixed_event_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("Unable to initialize fixed events, %s\n",
+ acpi_format_exception(status)));
+ return_ACPI_STATUS(status);
}
- status = acpi_ev_gpe_initialize ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Unable to initialize general purpose events, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ev_gpe_initialize();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("Unable to initialize general purpose events, %s\n", acpi_format_exception(status)));
+ return_ACPI_STATUS(status);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_install_xrupt_handlers
@@ -124,41 +110,32 @@ acpi_ev_initialize_events (
*
******************************************************************************/
-acpi_status
-acpi_ev_install_xrupt_handlers (
- void)
+acpi_status acpi_ev_install_xrupt_handlers(void)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ev_install_xrupt_handlers");
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ev_install_xrupt_handlers");
/* Install the SCI handler */
- status = acpi_ev_install_sci_handler ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Unable to install System Control Interrupt Handler, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ev_install_sci_handler();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("Unable to install System Control Interrupt Handler, %s\n", acpi_format_exception(status)));
+ return_ACPI_STATUS(status);
}
/* Install the handler for the Global Lock */
- status = acpi_ev_init_global_lock_handler ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "Unable to initialize Global Lock handler, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
+ status = acpi_ev_init_global_lock_handler();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("Unable to initialize Global Lock handler, %s\n", acpi_format_exception(status)));
+ return_ACPI_STATUS(status);
}
acpi_gbl_events_initialized = TRUE;
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_fixed_event_initialize
@@ -171,13 +148,10 @@ acpi_ev_install_xrupt_handlers (
*
******************************************************************************/
-static acpi_status
-acpi_ev_fixed_event_initialize (
- void)
+static acpi_status acpi_ev_fixed_event_initialize(void)
{
- acpi_native_uint i;
- acpi_status status;
-
+ acpi_native_uint i;
+ acpi_status status;
/*
* Initialize the structure that keeps track of fixed event handlers
@@ -190,10 +164,11 @@ acpi_ev_fixed_event_initialize (
/* Enable the fixed event */
if (acpi_gbl_fixed_event_info[i].enable_register_id != 0xFF) {
- status = acpi_set_register (
- acpi_gbl_fixed_event_info[i].enable_register_id,
- 0, ACPI_MTX_LOCK);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_set_register(acpi_gbl_fixed_event_info[i].
+ enable_register_id, 0,
+ ACPI_MTX_LOCK);
+ if (ACPI_FAILURE(status)) {
return (status);
}
}
@@ -202,7 +177,6 @@ acpi_ev_fixed_event_initialize (
return (AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_fixed_event_detect
@@ -215,31 +189,27 @@ acpi_ev_fixed_event_initialize (
*
******************************************************************************/
-u32
-acpi_ev_fixed_event_detect (
- void)
+u32 acpi_ev_fixed_event_detect(void)
{
- u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
- u32 fixed_status;
- u32 fixed_enable;
- acpi_native_uint i;
-
-
- ACPI_FUNCTION_NAME ("ev_fixed_event_detect");
+ u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
+ u32 fixed_status;
+ u32 fixed_enable;
+ acpi_native_uint i;
+ ACPI_FUNCTION_NAME("ev_fixed_event_detect");
/*
* Read the fixed feature status and enable registers, as all the cases
* depend on their values. Ignore errors here.
*/
- (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_STATUS,
- &fixed_status);
- (void) acpi_hw_register_read (ACPI_MTX_DO_NOT_LOCK, ACPI_REGISTER_PM1_ENABLE,
- &fixed_enable);
+ (void)acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_STATUS, &fixed_status);
+ (void)acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK,
+ ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
- ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS,
- "Fixed Event Block: Enable %08X Status %08X\n",
- fixed_enable, fixed_status));
+ ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
+ "Fixed Event Block: Enable %08X Status %08X\n",
+ fixed_enable, fixed_status));
/*
* Check for all possible Fixed Events and dispatch those that are active
@@ -247,18 +217,19 @@ acpi_ev_fixed_event_detect (
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
/* Both the status and enable bits must be on for this event */
- if ((fixed_status & acpi_gbl_fixed_event_info[i].status_bit_mask) &&
- (fixed_enable & acpi_gbl_fixed_event_info[i].enable_bit_mask)) {
+ if ((fixed_status & acpi_gbl_fixed_event_info[i].
+ status_bit_mask)
+ && (fixed_enable & acpi_gbl_fixed_event_info[i].
+ enable_bit_mask)) {
/* Found an active (signalled) event */
- int_status |= acpi_ev_fixed_event_dispatch ((u32) i);
+ int_status |= acpi_ev_fixed_event_dispatch((u32) i);
}
}
return (int_status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_fixed_event_dispatch
@@ -272,39 +243,32 @@ acpi_ev_fixed_event_detect (
*
******************************************************************************/
-static u32
-acpi_ev_fixed_event_dispatch (
- u32 event)
+static u32 acpi_ev_fixed_event_dispatch(u32 event)
{
-
- ACPI_FUNCTION_ENTRY ();
-
+ ACPI_FUNCTION_ENTRY();
/* Clear the status bit */
- (void) acpi_set_register (acpi_gbl_fixed_event_info[event].status_register_id,
- 1, ACPI_MTX_DO_NOT_LOCK);
+ (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
+ status_register_id, 1, ACPI_MTX_DO_NOT_LOCK);
/*
* Make sure we've got a handler. If not, report an error.
* The event is disabled to prevent further interrupts.
*/
if (NULL == acpi_gbl_fixed_event_handlers[event].handler) {
- (void) acpi_set_register (acpi_gbl_fixed_event_info[event].enable_register_id,
- 0, ACPI_MTX_DO_NOT_LOCK);
+ (void)acpi_set_register(acpi_gbl_fixed_event_info[event].
+ enable_register_id, 0,
+ ACPI_MTX_DO_NOT_LOCK);
- ACPI_REPORT_ERROR (
- ("No installed handler for fixed event [%08X]\n",
- event));
+ ACPI_REPORT_ERROR(("No installed handler for fixed event [%08X]\n", event));
return (ACPI_INTERRUPT_NOT_HANDLED);
}
/* Invoke the Fixed Event handler */
- return ((acpi_gbl_fixed_event_handlers[event].handler)(
- acpi_gbl_fixed_event_handlers[event].context));
+ return ((acpi_gbl_fixed_event_handlers[event].
+ handler) (acpi_gbl_fixed_event_handlers[event].context));
}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 00:36:20 +0000