| #ifndef __QCOM_SMEM_STATE__ |
| #define __QCOM_SMEM_STATE__ |
| |
| #include <linux/errno.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); |
| 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 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 |