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path: root/drivers/gpu/mali/ump/linux/ump_osk_atomics.c
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Diffstat (limited to 'drivers/gpu/mali/ump/linux/ump_osk_atomics.c')
-rw-r--r--drivers/gpu/mali/ump/linux/ump_osk_atomics.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/mali/ump/linux/ump_osk_atomics.c b/drivers/gpu/mali/ump/linux/ump_osk_atomics.c
new file mode 100644
index 00000000..04934234
--- /dev/null
+++ b/drivers/gpu/mali/ump/linux/ump_osk_atomics.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2010, 2014 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained from Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * @file ump_osk_atomics.c
+ * Implementation of the OS abstraction layer for the UMP kernel device driver
+ */
+
+#include "ump_osk.h"
+#include <asm/atomic.h>
+
+int _ump_osk_atomic_dec_and_read(_mali_osk_atomic_t *atom)
+{
+ return atomic_dec_return((atomic_t *)&atom->u.val);
+}
+
+int _ump_osk_atomic_inc_and_read(_mali_osk_atomic_t *atom)
+{
+ return atomic_inc_return((atomic_t *)&atom->u.val);
+}