1 files changed, 9 insertions, 41 deletions
diff --git a/include/linux/pti.h b/include/linux/pti.h
index b3ea01a3197e..0174883a935a 100644
--- a/include/linux/pti.h
+++ b/include/linux/pti.h
@@ -1,43 +1,11 @@
-/*
- *  Copyright (C) Intel 2011
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * The PTI (Parallel Trace Interface) driver directs trace data routed from
- * various parts in the system out through the Intel Penwell PTI port and
- * out of the mobile device for analysis with a debugging tool
- * (Lauterbach, Fido). This is part of a solution for the MIPI P1149.7,
- * compact JTAG, standard.
- *
- * This header file will allow other parts of the OS to use the
- * interface to write out it's contents for debugging a mobile system.
- */
+// SPDX-License-Identifier: GPL-2.0
+#ifndef _INCLUDE_PTI_H
+#define _INCLUDE_PTI_H
 
-#ifndef PTI_H_
-#define PTI_H_
+#ifdef CONFIG_PAGE_TABLE_ISOLATION
+#include <asm/pti.h>
+#else
+static inline void pti_init(void) { }
+#endif
 
-/* offset for last dword of any PTI message. Part of MIPI P1149.7 */
-#define PTI_LASTDWORD_DTS	0x30
-
-/* basic structure used as a write address to the PTI HW */
-struct pti_masterchannel {
-	u8 master;
-	u8 channel;
-};
-
-/* the following functions are defined in misc/pti.c */
-void pti_writedata(struct pti_masterchannel *mc, u8 *buf, int count);
-struct pti_masterchannel *pti_request_masterchannel(u8 type,
-						    const char *thread_name);
-void pti_release_masterchannel(struct pti_masterchannel *mc);
-
-#endif /*PTI_H_*/
+#endif