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0b5ae33eb3
Replace RIFSC check access APIs by grant/release access ones that handle the RIF semaphores. Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com> Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause */
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/*
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* Copyright (C) 2023, STMicroelectronics - All Rights Reserved
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*/
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#ifndef MACH_RIF_H
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#define MACH_RIF_H
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#include <linux/types.h>
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#if IS_ENABLED(CONFIG_STM32MP21X) || IS_ENABLED(CONFIG_STM32MP23X) || IS_ENABLED(CONFIG_STM32MP25X)
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/**
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* stm32_rifsc_grant_access_by_id - Grant RIFSC access for a given peripheral using its ID
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*
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* @device_node Node of the peripheral
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* @id ID of the peripheral of which access should be granted
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*/
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int stm32_rifsc_grant_access_by_id(ofnode device_node, u32 id);
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/**
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* stm32_rifsc_grant_access_by_id - Grant RIFSC access for a given peripheral using its node
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*
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* @id node of the peripheral of which access should be granted
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*/
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int stm32_rifsc_grant_access(ofnode device_node);
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/**
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* stm32_rifsc_release_access_by_id - Release RIFSC access for a given peripheral using its ID
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*
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* @device_node Node of the peripheral
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* @id ID of the peripheral of which access should be released
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*/
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void stm32_rifsc_release_access_by_id(ofnode device_node, u32 id);
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/**
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* stm32_rifsc_release_access_by_id - Release RIFSC access for a given peripheral using its node
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*
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* @id node of the peripheral of which access should be released
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*/
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void stm32_rifsc_release_access(ofnode device_node);
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#else
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static inline int stm32_rifsc_grant_access_by_id(ofnode device_node, u32 id)
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{
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return -EACCES;
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}
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static inline int stm32_rifsc_grant_access(ofnode device_node)
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{
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return -EACCES;
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}
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static inline void stm32_rifsc_release_access_by_id(ofnode device_node, u32 id)
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{
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}
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static inline void stm32_rifsc_release_access(ofnode device_node)
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{
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}
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#endif
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#endif /* MACH_RIF_H*/
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