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path: root/drivers/acpi/hardware/hwgpe.c
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Diffstat (limited to 'drivers/acpi/hardware/hwgpe.c')
-rw-r--r--drivers/acpi/hardware/hwgpe.c197
1 files changed, 82 insertions, 115 deletions
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index 3536bbb990c3..5c8e5dfd024e 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -46,15 +46,12 @@
#include <acpi/acevents.h>
#define _COMPONENT ACPI_HARDWARE
- ACPI_MODULE_NAME ("hwgpe")
+ACPI_MODULE_NAME("hwgpe")
/* Local prototypes */
-
static acpi_status
-acpi_hw_enable_wakeup_gpe_block (
- struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block);
-
+acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block);
/******************************************************************************
*
@@ -71,15 +68,12 @@ acpi_hw_enable_wakeup_gpe_block (
******************************************************************************/
acpi_status
-acpi_hw_write_gpe_enable_reg (
- struct acpi_gpe_event_info *gpe_event_info)
+acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info)
{
- struct acpi_gpe_register_info *gpe_register_info;
- acpi_status status;
-
-
- ACPI_FUNCTION_ENTRY ();
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_status status;
+ ACPI_FUNCTION_ENTRY();
/* Get the info block for the entire GPE register */
@@ -90,13 +84,12 @@ acpi_hw_write_gpe_enable_reg (
/* Write the entire GPE (runtime) enable register */
- status = acpi_hw_low_level_write (8, gpe_register_info->enable_for_run,
- &gpe_register_info->enable_address);
+ status = acpi_hw_low_level_write(8, gpe_register_info->enable_for_run,
+ &gpe_register_info->enable_address);
return (status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_clear_gpe
@@ -109,27 +102,23 @@ acpi_hw_write_gpe_enable_reg (
*
******************************************************************************/
-acpi_status
-acpi_hw_clear_gpe (
- struct acpi_gpe_event_info *gpe_event_info)
+acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_ENTRY ();
+ acpi_status status;
+ ACPI_FUNCTION_ENTRY();
/*
* Write a one to the appropriate bit in the status register to
* clear this GPE.
*/
- status = acpi_hw_low_level_write (8, gpe_event_info->register_bit,
- &gpe_event_info->register_info->status_address);
+ status = acpi_hw_low_level_write(8, gpe_event_info->register_bit,
+ &gpe_event_info->register_info->
+ status_address);
return (status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_get_gpe_status
@@ -145,19 +134,16 @@ acpi_hw_clear_gpe (
#ifdef ACPI_FUTURE_USAGE
acpi_status
-acpi_hw_get_gpe_status (
- struct acpi_gpe_event_info *gpe_event_info,
- acpi_event_status *event_status)
+acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
+ acpi_event_status * event_status)
{
- u32 in_byte;
- u8 register_bit;
- struct acpi_gpe_register_info *gpe_register_info;
- acpi_status status;
- acpi_event_status local_event_status = 0;
-
-
- ACPI_FUNCTION_ENTRY ();
+ u32 in_byte;
+ u8 register_bit;
+ struct acpi_gpe_register_info *gpe_register_info;
+ acpi_status status;
+ acpi_event_status local_event_status = 0;
+ ACPI_FUNCTION_ENTRY();
if (!event_status) {
return (AE_BAD_PARAMETER);
@@ -185,8 +171,10 @@ acpi_hw_get_gpe_status (
/* GPE currently active (status bit == 1)? */
- status = acpi_hw_low_level_read (8, &in_byte, &gpe_register_info->status_address);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_read(8, &in_byte,
+ &gpe_register_info->status_address);
+ if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
@@ -198,12 +186,10 @@ acpi_hw_get_gpe_status (
(*event_status) = local_event_status;
-
-unlock_and_exit:
+ unlock_and_exit:
return (status);
}
-#endif /* ACPI_FUTURE_USAGE */
-
+#endif /* ACPI_FUTURE_USAGE */
/******************************************************************************
*
@@ -219,22 +205,21 @@ unlock_and_exit:
******************************************************************************/
acpi_status
-acpi_hw_disable_gpe_block (
- struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block)
+acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
+ struct acpi_gpe_block_info * gpe_block)
{
- u32 i;
- acpi_status status;
-
+ u32 i;
+ acpi_status status;
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
/* Disable all GPEs in this register */
- status = acpi_hw_low_level_write (8, 0x00,
- &gpe_block->register_info[i].enable_address);
- if (ACPI_FAILURE (status)) {
+ status = acpi_hw_low_level_write(8, 0x00,
+ &gpe_block->register_info[i].
+ enable_address);
+ if (ACPI_FAILURE(status)) {
return (status);
}
}
@@ -242,7 +227,6 @@ acpi_hw_disable_gpe_block (
return (AE_OK);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_clear_gpe_block
@@ -257,22 +241,21 @@ acpi_hw_disable_gpe_block (
******************************************************************************/
acpi_status
-acpi_hw_clear_gpe_block (
- struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block)
+acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
+ struct acpi_gpe_block_info * gpe_block)
{
- u32 i;
- acpi_status status;
-
+ u32 i;
+ acpi_status status;
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
/* Clear status on all GPEs in this register */
- status = acpi_hw_low_level_write (8, 0xFF,
- &gpe_block->register_info[i].status_address);
- if (ACPI_FAILURE (status)) {
+ status = acpi_hw_low_level_write(8, 0xFF,
+ &gpe_block->register_info[i].
+ status_address);
+ if (ACPI_FAILURE(status)) {
return (status);
}
}
@@ -280,7 +263,6 @@ acpi_hw_clear_gpe_block (
return (AE_OK);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_enable_runtime_gpe_block
@@ -296,13 +278,11 @@ acpi_hw_clear_gpe_block (
******************************************************************************/
acpi_status
-acpi_hw_enable_runtime_gpe_block (
- struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block)
+acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
+ struct acpi_gpe_block_info * gpe_block)
{
- u32 i;
- acpi_status status;
-
+ u32 i;
+ acpi_status status;
/* NOTE: assumes that all GPEs are currently disabled */
@@ -315,9 +295,13 @@ acpi_hw_enable_runtime_gpe_block (
/* Enable all "runtime" GPEs in this register */
- status = acpi_hw_low_level_write (8, gpe_block->register_info[i].enable_for_run,
- &gpe_block->register_info[i].enable_address);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_hw_low_level_write(8,
+ gpe_block->register_info[i].
+ enable_for_run,
+ &gpe_block->register_info[i].
+ enable_address);
+ if (ACPI_FAILURE(status)) {
return (status);
}
}
@@ -325,7 +309,6 @@ acpi_hw_enable_runtime_gpe_block (
return (AE_OK);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_enable_wakeup_gpe_block
@@ -341,13 +324,11 @@ acpi_hw_enable_runtime_gpe_block (
******************************************************************************/
static acpi_status
-acpi_hw_enable_wakeup_gpe_block (
- struct acpi_gpe_xrupt_info *gpe_xrupt_info,
- struct acpi_gpe_block_info *gpe_block)
+acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
+ struct acpi_gpe_block_info *gpe_block)
{
- u32 i;
- acpi_status status;
-
+ u32 i;
+ acpi_status status;
/* Examine each GPE Register within the block */
@@ -358,10 +339,12 @@ acpi_hw_enable_wakeup_gpe_block (
/* Enable all "wake" GPEs in this register */
- status = acpi_hw_low_level_write (8,
- gpe_block->register_info[i].enable_for_wake,
- &gpe_block->register_info[i].enable_address);
- if (ACPI_FAILURE (status)) {
+ status = acpi_hw_low_level_write(8,
+ gpe_block->register_info[i].
+ enable_for_wake,
+ &gpe_block->register_info[i].
+ enable_address);
+ if (ACPI_FAILURE(status)) {
return (status);
}
}
@@ -369,7 +352,6 @@ acpi_hw_enable_wakeup_gpe_block (
return (AE_OK);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_disable_all_gpes
@@ -382,22 +364,17 @@ acpi_hw_enable_wakeup_gpe_block (
*
******************************************************************************/
-acpi_status
-acpi_hw_disable_all_gpes (
- void)
+acpi_status acpi_hw_disable_all_gpes(void)
{
- acpi_status status;
-
+ acpi_status status;
- ACPI_FUNCTION_TRACE ("hw_disable_all_gpes");
+ ACPI_FUNCTION_TRACE("hw_disable_all_gpes");
-
- status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
- status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
- return_ACPI_STATUS (status);
+ status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block);
+ status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
+ return_ACPI_STATUS(status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_enable_all_runtime_gpes
@@ -410,21 +387,16 @@ acpi_hw_disable_all_gpes (
*
******************************************************************************/
-acpi_status
-acpi_hw_enable_all_runtime_gpes (
- void)
+acpi_status acpi_hw_enable_all_runtime_gpes(void)
{
- acpi_status status;
-
+ acpi_status status;
- ACPI_FUNCTION_TRACE ("hw_enable_all_runtime_gpes");
+ ACPI_FUNCTION_TRACE("hw_enable_all_runtime_gpes");
-
- status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block);
- return_ACPI_STATUS (status);
+ status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block);
+ return_ACPI_STATUS(status);
}
-
/******************************************************************************
*
* FUNCTION: acpi_hw_enable_all_wakeup_gpes
@@ -437,17 +409,12 @@ acpi_hw_enable_all_runtime_gpes (
*
******************************************************************************/
-acpi_status
-acpi_hw_enable_all_wakeup_gpes (
- void)
+acpi_status acpi_hw_enable_all_wakeup_gpes(void)
{
- acpi_status status;
-
+ acpi_status status;
- ACPI_FUNCTION_TRACE ("hw_enable_all_wakeup_gpes");
+ ACPI_FUNCTION_TRACE("hw_enable_all_wakeup_gpes");
-
- status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block);
- return_ACPI_STATUS (status);
+ status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block);
+ return_ACPI_STATUS(status);
}
-