}
EXPORT_SYMBOL_GPL(qcom_smem_state_put);
+static void devm_qcom_smem_state_release(struct device *dev, void *res)
+{
+ qcom_smem_state_put(*(struct qcom_smem_state **)res);
+}
+
+/**
+ * devm_qcom_smem_state_get() - acquire handle to a devres managed state
+ * @dev: client device pointer
+ * @con_id: name of the state to lookup
+ * @bit: flags from the state reference, indicating which bit's affected
+ *
+ * Returns handle to the state, or ERR_PTR(). qcom_smem_state_put() is called
+ * automatically when @dev is removed.
+ */
+struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev,
+ const char *con_id,
+ unsigned *bit)
+{
+ struct qcom_smem_state **ptr, *state;
+
+ ptr = devres_alloc(devm_qcom_smem_state_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ state = qcom_smem_state_get(dev, con_id, bit);
+ if (!IS_ERR(state)) {
+ *ptr = state;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return state;
+}
+EXPORT_SYMBOL_GPL(devm_qcom_smem_state_get);
+
/**
* qcom_smem_state_register() - register a new state
* @of_node: of_node used for matching client lookups
#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);
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)
{
}