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      1 /*	$NetBSD: iosf_mbi.h,v 1.2 2021/12/19 11:49:12 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2021 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _LINUX_ASM_IOSF_MBI_H_
     30 #define _LINUX_ASM_IOSF_MBI_H_
     31 
     32 struct notifier_block;
     33 
     34 enum {
     35 	MBI_PMIC_BUS_ACCESS_BEGIN,
     36 	MBI_PMIC_BUS_ACCESS_END,
     37 };
     38 
     39 static inline void
     40 iosf_mbi_punit_acquire(void)
     41 {
     42 }
     43 
     44 static inline void
     45 iosf_mbi_punit_release(void)
     46 {
     47 }
     48 
     49 static inline void
     50 iosf_mbi_assert_punit_acquired(void)
     51 {
     52 }
     53 
     54 static inline void
     55 iosf_mbi_register_pmic_bus_access_notifier(struct notifier_block *notifier)
     56 {
     57 }
     58 
     59 static inline void
     60 iosf_mbi_unregister_pmic_bus_access_notifier_unlocked(
     61     struct notifier_block *notifier)
     62 {
     63 }
     64 
     65 #endif  /* _LINUX_ASM_IOSF_MBI_H_ */
     66