Viewing file:  smem_state.h (1.29 KB) -rw-r--r--
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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);
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
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