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soc: qcom: Introduce common SMEM state machine code

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This implements a common API for handling and exposing SMP2P and SMSM
state information.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
This commit is contained in:
Bjorn Andersson
2015-09-24 18:25:01 -07:00
committed by Andy Gross
parent 8005c49d9a
commit 9460ae2ff3
4 changed files with 223 additions and 0 deletions
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18
include/linux/soc/qcom/smem_state.h Normal file
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#ifndef __QCOM_SMEM_STATE__
#define __QCOM_SMEM_STATE__
struct qcom_smem_state;
struct qcom_smem_state_ops {
int (*update_bits)(void *, u32, u32);
};
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);
#endif