summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/osl.c
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2011-06-13 07:40:25 -0700
committerTony Lindgren <tony@atomide.com>2011-06-13 07:40:25 -0700
commitc8e0bf95fc01d6e2ca585fe08010800b6c56e823 (patch)
treef901bdcb5b20e93261cf9cf324ebbcf3fd24ce58 /drivers/acpi/osl.c
parent9d5ae7cd6cb9ead43336fec1094184d1dc740fbd (diff)
parent345f79b3de7f6d651e4dba794af7c7303bdfd649 (diff)
Merge branch 'for_3.0/pm-fixes' of ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into fixes
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 45ad4ffef53..52ca9649d76 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -902,14 +902,6 @@ void acpi_os_wait_events_complete(void *context)
EXPORT_SYMBOL(acpi_os_wait_events_complete);
-/*
- * Deallocate the memory for a spinlock.
- */
-void acpi_os_delete_lock(acpi_spinlock handle)
-{
- return;
-}
-
acpi_status
acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle)
{
@@ -1341,6 +1333,31 @@ int acpi_resources_are_enforced(void)
EXPORT_SYMBOL(acpi_resources_are_enforced);
/*
+ * Create and initialize a spinlock.
+ */
+acpi_status
+acpi_os_create_lock(acpi_spinlock *out_handle)
+{
+ spinlock_t *lock;
+
+ lock = ACPI_ALLOCATE(sizeof(spinlock_t));
+ if (!lock)
+ return AE_NO_MEMORY;
+ spin_lock_init(lock);
+ *out_handle = lock;
+
+ return AE_OK;
+}
+
+/*
+ * Deallocate the memory for a spinlock.
+ */
+void acpi_os_delete_lock(acpi_spinlock handle)
+{
+ ACPI_FREE(handle);
+}
+
+/*
* Acquire a spinlock.
*
* handle is a pointer to the spinlock_t.