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diff --git a/drivers/mxc/amd-gpu/include/api/gsl_utils.h b/drivers/mxc/amd-gpu/include/api/gsl_utils.h
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+/* Copyright (c) 2008-2010, Code Aurora Forum. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Code Aurora Forum nor
+ * the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __GSL_UTILS_H
+#define __GSL_UTILS_H
+
+
+//////////////////////////////////////////////////////////////////////////////
+// macros
+//////////////////////////////////////////////////////////////////////////////
+#define GSL_QUADPOW2_TO_SIZEBYTES(quadpow2) (8 << (quadpow2))
+#define GSL_QUADPOW2_TO_SIZEDWORDS(quadpow2) (2 << (quadpow2))
+#define GSL_POW2TEST(size) ((size) && !((size) & ((size) - 1)))
+#define GSL_POW2ALIGN_DOWN(addr, alignsize) ((addr) & ~((alignsize) - 1));
+#define GSL_POW2ALIGN_UP(addr, alignsize) (((addr) + ((alignsize) - 1)) & ~((alignsize) - 1))
+
+
+#endif // __GSL_UTILS_H