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path: root/drivers/acpi/events/evgpe.c
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Diffstat (limited to 'drivers/acpi/events/evgpe.c')
-rw-r--r--drivers/acpi/events/evgpe.c39
1 files changed, 26 insertions, 13 deletions
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index 118d72ac7c7..081120b109b 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -48,6 +48,12 @@
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME ("evgpe")
+/* Local prototypes */
+
+static void ACPI_SYSTEM_XFACE
+acpi_ev_asynch_execute_gpe_method (
+ void *context);
+
/*******************************************************************************
*
@@ -335,8 +341,10 @@ acpi_ev_get_gpe_event_info (
gpe_block = acpi_gbl_gpe_fadt_blocks[i];
if (gpe_block) {
if ((gpe_number >= gpe_block->block_base_number) &&
- (gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) {
- return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]);
+ (gpe_number < gpe_block->block_base_number +
+ (gpe_block->register_count * 8))) {
+ return (&gpe_block->event_info[gpe_number -
+ gpe_block->block_base_number]);
}
}
}
@@ -437,7 +445,7 @@ acpi_ev_gpe_detect (
"Read GPE Register at GPE%X: Status=%02X, Enable=%02X\n",
gpe_register_info->base_gpe_number, status_reg, enable_reg));
- /* First check if there is anything active at all in this register */
+ /* Check if there is anything active at all in this register */
enabled_status_byte = (u8) (status_reg & enable_reg);
if (!enabled_status_byte) {
@@ -457,8 +465,8 @@ acpi_ev_gpe_detect (
* or method.
*/
int_status |= acpi_ev_gpe_dispatch (
- &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j],
- (u32) j + gpe_register_info->base_gpe_number);
+ &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j],
+ (u32) j + gpe_register_info->base_gpe_number);
}
}
}
@@ -523,7 +531,8 @@ acpi_ev_asynch_execute_gpe_method (
* Take a snapshot of the GPE info for this level - we copy the
* info to prevent a race condition with remove_handler/remove_block.
*/
- ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info, sizeof (struct acpi_gpe_event_info));
+ ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info,
+ sizeof (struct acpi_gpe_event_info));
status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (status)) {
@@ -534,7 +543,8 @@ acpi_ev_asynch_execute_gpe_method (
* Must check for control method type dispatch one more
* time to avoid race with ev_gpe_install_handler
*/
- if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) {
+ if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) ==
+ ACPI_GPE_DISPATCH_METHOD) {
/*
* Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
* control method that corresponds to this GPE
@@ -553,7 +563,8 @@ acpi_ev_asynch_execute_gpe_method (
}
}
- if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) {
+ if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+ ACPI_GPE_LEVEL_TRIGGERED) {
/*
* GPE is level-triggered, we clear the GPE status bit after
* handling the event.
@@ -575,7 +586,7 @@ acpi_ev_asynch_execute_gpe_method (
*
* FUNCTION: acpi_ev_gpe_dispatch
*
- * PARAMETERS: gpe_event_info - info for this GPE
+ * PARAMETERS: gpe_event_info - Info for this GPE
* gpe_number - Number relative to the parent GPE block
*
* RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
@@ -602,10 +613,12 @@ acpi_ev_gpe_dispatch (
* If edge-triggered, clear the GPE status bit now. Note that
* level-triggered events are cleared after the GPE is serviced.
*/
- if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED) {
+ if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+ ACPI_GPE_EDGE_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n",
+ ACPI_REPORT_ERROR ((
+ "acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n",
acpi_format_exception (status), gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
@@ -639,7 +652,8 @@ acpi_ev_gpe_dispatch (
/* It is now safe to clear level-triggered events. */
- if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) {
+ if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) ==
+ ACPI_GPE_LEVEL_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR ((
@@ -704,7 +718,6 @@ acpi_ev_gpe_dispatch (
#ifdef ACPI_GPE_NOTIFY_CHECK
-
/*******************************************************************************
* TBD: NOT USED, PROTOTYPE ONLY AND WILL PROBABLY BE REMOVED
*