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diff --git a/pvr-source/services4/srvkm/env/linux/ion.h b/pvr-source/services4/srvkm/env/linux/ion.h
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+/*************************************************************************/ /*!
+@Title          Ion driver inter-operability code.
+@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@License        Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+
+#ifndef __IMG_LINUX_ION_H__
+#define __IMG_LINUX_ION_H__
+
+#include <linux/ion.h>
+#if defined (CONFIG_ION_OMAP)
+#include <linux/omap_ion.h>
+#endif
+#if defined (SUPPORT_ION)
+#include "img_types.h"
+#include "servicesext.h"
+#endif
+
+int PVRSRVExportFDToIONHandles(int fd, struct ion_client **client,
+								struct ion_handle **handles,
+								unsigned int *num_handles);
+
+struct ion_handle *PVRSRVExportFDToIONHandle(int fd,
+											 struct ion_client **client);
+
+#if defined (SUPPORT_ION)
+PVRSRV_ERROR IonInit(IMG_VOID);
+IMG_VOID IonDeinit(IMG_VOID);
+
+PVRSRV_ERROR IonImportBufferAndAquirePhysAddr(IMG_HANDLE hIonDev,
+											  IMG_HANDLE hIonFD,
+											  IMG_UINT32 *pui32PageCount,
+											  IMG_SYS_PHYADDR **ppasSysPhysAddr,
+											  IMG_PVOID *ppvKernAddr,
+											  IMG_HANDLE *phPriv);
+
+IMG_VOID IonUnimportBufferAndReleasePhysAddr(IMG_HANDLE hPriv);
+#endif
+#endif /* __IMG_LINUX_ION_H__ */