aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2016-05-18 10:51:09 +0100
committerSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2016-05-18 10:51:09 +0100
commit4d36a957e6082426c5c5b6a4d41d0b663f9120b2 (patch)
tree7dd43c0819f8f33209d603d7107add8da2d627e1
parent6e2d8a9273f2d9a7cb3bf811056b2daa27d3712a (diff)
parente0204f6ff827c1068f29acb82278208045f66456 (diff)
Merge branch 'tracking-qcomlt-smem-state' into integration-qcomlt-4.6-drm-fixesfor-archit-v4.6
-rw-r--r--include/linux/soc/qcom/smem_state.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/soc/qcom/smem_state.h b/include/linux/soc/qcom/smem_state.h
index f35e1512fcaa1..7b88697929e9e 100644
--- a/include/linux/soc/qcom/smem_state.h
+++ b/include/linux/soc/qcom/smem_state.h
@@ -1,12 +1,17 @@
#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 *);
@@ -15,4 +20,34 @@ int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 val
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