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path: root/drivers/acpi/events/evxface.c
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Diffstat (limited to 'drivers/acpi/events/evxface.c')
-rw-r--r--drivers/acpi/events/evxface.c49
1 files changed, 22 insertions, 27 deletions
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index b38b39dde543..76c34a66e0e0 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -41,8 +41,6 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
-#include <linux/module.h>
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
@@ -68,7 +66,7 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_exception_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_exception_handler);
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
@@ -90,6 +88,8 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
+
+ACPI_EXPORT_SYMBOL(acpi_install_exception_handler)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
@@ -107,14 +107,13 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
* event.
*
******************************************************************************/
-
acpi_status
acpi_install_fixed_event_handler(u32 event,
acpi_event_handler handler, void *context)
{
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_fixed_event_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler);
/* Parameter validation */
@@ -161,7 +160,7 @@ acpi_install_fixed_event_handler(u32 event,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_fixed_event_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler)
/*******************************************************************************
*
@@ -175,13 +174,12 @@ EXPORT_SYMBOL(acpi_install_fixed_event_handler);
* DESCRIPTION: Disables the event and unregisters the event handler.
*
******************************************************************************/
-
acpi_status
acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
{
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_remove_fixed_event_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_fixed_event_handler);
/* Parameter validation */
@@ -216,7 +214,7 @@ acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_fixed_event_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler)
/*******************************************************************************
*
@@ -235,7 +233,6 @@ EXPORT_SYMBOL(acpi_remove_fixed_event_handler);
* DESCRIPTION: Install a handler for notifies on an ACPI device
*
******************************************************************************/
-
acpi_status
acpi_install_notify_handler(acpi_handle device,
u32 handler_type,
@@ -246,7 +243,7 @@ acpi_install_notify_handler(acpi_handle device,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_install_notify_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_notify_handler);
/* Parameter validation */
@@ -275,6 +272,7 @@ acpi_install_notify_handler(acpi_handle device,
* only one <external> global handler can be regsitered (per notify type).
*/
if (device == ACPI_ROOT_OBJECT) {
+
/* Make sure the handler is not already installed */
if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
@@ -317,6 +315,7 @@ acpi_install_notify_handler(acpi_handle device,
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
+
/* Object exists - make sure there's no handler */
if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
@@ -370,6 +369,7 @@ acpi_install_notify_handler(acpi_handle device,
}
if (handler_type == ACPI_ALL_NOTIFY) {
+
/* Extra ref if installed in both */
acpi_ut_add_reference(notify_obj);
@@ -381,7 +381,7 @@ acpi_install_notify_handler(acpi_handle device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_notify_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_notify_handler)
/*******************************************************************************
*
@@ -399,7 +399,6 @@ EXPORT_SYMBOL(acpi_install_notify_handler);
* DESCRIPTION: Remove a handler for notifies on an ACPI device
*
******************************************************************************/
-
acpi_status
acpi_remove_notify_handler(acpi_handle device,
u32 handler_type, acpi_notify_handler handler)
@@ -409,7 +408,7 @@ acpi_remove_notify_handler(acpi_handle device,
struct acpi_namespace_node *node;
acpi_status status;
- ACPI_FUNCTION_TRACE("acpi_remove_notify_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_notify_handler);
/* Parameter validation */
@@ -535,7 +534,7 @@ acpi_remove_notify_handler(acpi_handle device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_notify_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_notify_handler)
/*******************************************************************************
*
@@ -554,7 +553,6 @@ EXPORT_SYMBOL(acpi_remove_notify_handler);
* DESCRIPTION: Install a handler for a General Purpose Event.
*
******************************************************************************/
-
acpi_status
acpi_install_gpe_handler(acpi_handle gpe_device,
u32 gpe_number,
@@ -565,7 +563,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("acpi_install_gpe_handler");
+ ACPI_FUNCTION_TRACE(acpi_install_gpe_handler);
/* Parameter validation */
@@ -596,7 +594,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
/* Allocate and init handler object */
- handler = ACPI_MEM_CALLOCATE(sizeof(struct acpi_handler_info));
+ handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
if (!handler) {
status = AE_NO_MEMORY;
goto unlock_and_exit;
@@ -630,7 +628,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_install_gpe_handler);
+ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler)
/*******************************************************************************
*
@@ -646,7 +644,6 @@ EXPORT_SYMBOL(acpi_install_gpe_handler);
* DESCRIPTION: Remove a handler for a General Purpose acpi_event.
*
******************************************************************************/
-
acpi_status
acpi_remove_gpe_handler(acpi_handle gpe_device,
u32 gpe_number, acpi_event_handler address)
@@ -656,7 +653,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
acpi_status status;
acpi_cpu_flags flags;
- ACPI_FUNCTION_TRACE("acpi_remove_gpe_handler");
+ ACPI_FUNCTION_TRACE(acpi_remove_gpe_handler);
/* Parameter validation */
@@ -724,14 +721,14 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
/* Now we can free the handler object */
- ACPI_MEM_FREE(handler);
+ ACPI_FREE(handler);
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
-EXPORT_SYMBOL(acpi_remove_gpe_handler);
+ACPI_EXPORT_SYMBOL(acpi_remove_gpe_handler)
/*******************************************************************************
*
@@ -746,7 +743,6 @@ EXPORT_SYMBOL(acpi_remove_gpe_handler);
* DESCRIPTION: Acquire the ACPI Global Lock
*
******************************************************************************/
-
acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
{
acpi_status status;
@@ -771,7 +767,7 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
return (status);
}
-EXPORT_SYMBOL(acpi_acquire_global_lock);
+ACPI_EXPORT_SYMBOL(acpi_acquire_global_lock)
/*******************************************************************************
*
@@ -784,7 +780,6 @@ EXPORT_SYMBOL(acpi_acquire_global_lock);
* DESCRIPTION: Release the ACPI Global Lock. The handle must be valid.
*
******************************************************************************/
-
acpi_status acpi_release_global_lock(u32 handle)
{
acpi_status status;
@@ -797,4 +792,4 @@ acpi_status acpi_release_global_lock(u32 handle)
return (status);
}
-EXPORT_SYMBOL(acpi_release_global_lock);
+ACPI_EXPORT_SYMBOL(acpi_release_global_lock)