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authorBjorn Andersson <bjorn@kryo.se>2015-12-24 00:28:38 -0800
committerAndy Gross <andy.gross@linaro.org>2016-03-30 17:20:27 -0500
commite8b123e6008480b2b8d80dae060315d84b79f4bb (patch)
tree784bda311a1f5e3c4de7ece7e36eb2965b62f048 /include/linux/soc
parent39a3366a31386eb58f6e5857cd49cebad3253ab8 (diff)
soc: qcom: smem_state: Add stubs for disabled smem_state
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'include/linux/soc')
-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 f35e1512fcaa..7b88697929e9 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