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path: root/drivers/acpi/osl.c
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Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c72
1 files changed, 26 insertions, 46 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 1bb558adee66..afd937b158b3 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -137,6 +137,7 @@ void acpi_os_vprintf(const char *fmt, va_list args)
#endif
}
+
extern int acpi_in_resume;
void *acpi_os_allocate(acpi_size size)
{
@@ -586,19 +587,18 @@ static void acpi_os_execute_deferred(void *context)
{
struct acpi_os_dpc *dpc = NULL;
- ACPI_FUNCTION_TRACE("os_execute_deferred");
dpc = (struct acpi_os_dpc *)context;
if (!dpc) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n"));
- return_VOID;
+ printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
+ return;
}
dpc->function(dpc->context);
kfree(dpc);
- return_VOID;
+ return;
}
static int acpi_os_execute_thread(void *context)
@@ -688,35 +688,19 @@ EXPORT_SYMBOL(acpi_os_wait_events_complete);
/*
* Allocate the memory for a spinlock and initialize it.
*/
-acpi_status acpi_os_create_lock(acpi_handle * out_handle)
+acpi_status acpi_os_create_lock(acpi_spinlock * handle)
{
- spinlock_t *lock_ptr;
-
- ACPI_FUNCTION_TRACE("os_create_lock");
-
- lock_ptr = acpi_os_allocate(sizeof(spinlock_t));
-
- spin_lock_init(lock_ptr);
-
- ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr));
+ spin_lock_init(*handle);
- *out_handle = lock_ptr;
-
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
/*
* Deallocate the memory for a spinlock.
*/
-void acpi_os_delete_lock(acpi_handle handle)
+void acpi_os_delete_lock(acpi_spinlock handle)
{
- ACPI_FUNCTION_TRACE("os_create_lock");
-
- ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle));
-
- acpi_os_free(handle);
-
- return_VOID;
+ return;
}
acpi_status
@@ -724,11 +708,10 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle)
{
struct semaphore *sem = NULL;
- ACPI_FUNCTION_TRACE("os_create_semaphore");
sem = acpi_os_allocate(sizeof(struct semaphore));
if (!sem)
- return_ACPI_STATUS(AE_NO_MEMORY);
+ return AE_NO_MEMORY;
memset(sem, 0, sizeof(struct semaphore));
sema_init(sem, initial_units);
@@ -738,7 +721,7 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle)
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating semaphore[%p|%d].\n",
*handle, initial_units));
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_os_create_semaphore);
@@ -754,17 +737,16 @@ acpi_status acpi_os_delete_semaphore(acpi_handle handle)
{
struct semaphore *sem = (struct semaphore *)handle;
- ACPI_FUNCTION_TRACE("os_delete_semaphore");
if (!sem)
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle));
acpi_os_free(sem);
sem = NULL;
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_os_delete_semaphore);
@@ -784,13 +766,12 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
struct semaphore *sem = (struct semaphore *)handle;
int ret = 0;
- ACPI_FUNCTION_TRACE("os_wait_semaphore");
if (!sem || (units < 1))
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
if (units > 1)
- return_ACPI_STATUS(AE_SUPPORT);
+ return AE_SUPPORT;
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n",
handle, units, timeout));
@@ -839,17 +820,17 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
}
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
- "Failed to acquire semaphore[%p|%d|%d], %s\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Failed to acquire semaphore[%p|%d|%d], %s",
handle, units, timeout,
acpi_format_exception(status)));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
- "Acquired semaphore[%p|%d|%d]\n", handle,
+ "Acquired semaphore[%p|%d|%d]", handle,
units, timeout));
}
- return_ACPI_STATUS(status);
+ return status;
}
EXPORT_SYMBOL(acpi_os_wait_semaphore);
@@ -861,20 +842,19 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units)
{
struct semaphore *sem = (struct semaphore *)handle;
- ACPI_FUNCTION_TRACE("os_signal_semaphore");
if (!sem || (units < 1))
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return AE_BAD_PARAMETER;
if (units > 1)
- return_ACPI_STATUS(AE_SUPPORT);
+ return AE_SUPPORT;
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Signaling semaphore[%p|%d]\n", handle,
units));
up(sem);
- return_ACPI_STATUS(AE_OK);
+ return AE_OK;
}
EXPORT_SYMBOL(acpi_os_signal_semaphore);
@@ -1043,10 +1023,10 @@ EXPORT_SYMBOL(max_cstate);
* handle is a pointer to the spinlock_t.
*/
-acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle)
+acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock lockp)
{
acpi_cpu_flags flags;
- spin_lock_irqsave((spinlock_t *) handle, flags);
+ spin_lock_irqsave(lockp, flags);
return flags;
}
@@ -1054,9 +1034,9 @@ acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle)
* Release a spinlock. See above.
*/
-void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags)
+void acpi_os_release_lock(acpi_spinlock lockp, acpi_cpu_flags flags)
{
- spin_unlock_irqrestore((spinlock_t *) handle, flags);
+ spin_unlock_irqrestore(lockp, flags);
}
#ifndef ACPI_USE_LOCAL_CACHE