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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __QCOM_SMEM_STATE__ #define __QCOM_SMEM_STATE__ #include <linux/err.h> struct device_node; struct qcom_smem_state; struct qcom_smem_state_ops { int (*update_bits)(void *, u32, u32); }; #ifdef CONFIG_QCOM_SMEM_STATE struct qcom_smem_state *qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); void qcom_smem_state_put(struct qcom_smem_state *); int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 value); struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, const struct qcom_smem_state_ops *ops, void *data); void qcom_smem_state_unregister(struct qcom_smem_state *state); #else static inline struct qcom_smem_state *qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit) { return ERR_PTR(-EINVAL); } static inline struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit) { return ERR_PTR(-EINVAL); } static inline void qcom_smem_state_put(struct qcom_smem_state *state) { } static inline int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 value) { return -EINVAL; } static inline struct qcom_smem_state *qcom_smem_state_register(struct device_node *of_node, const struct qcom_smem_state_ops *ops, void *data) { return ERR_PTR(-EINVAL); } static inline void qcom_smem_state_unregister(struct qcom_smem_state *state) { } #endif #endif
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