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-rw-r--r--include/linux/soc/qcom/smd.h58
1 files changed, 53 insertions, 5 deletions
diff --git a/include/linux/soc/qcom/smd.h b/include/linux/soc/qcom/smd.h
index cb2f81559bc0..cbb0f06c41b2 100644
--- a/include/linux/soc/qcom/smd.h
+++ b/include/linux/soc/qcom/smd.h
@@ -47,20 +47,68 @@ struct qcom_smd_driver {
qcom_smd_cb_t callback;
};
+#if IS_ENABLED(CONFIG_QCOM_SMD)
+
int qcom_smd_driver_register(struct qcom_smd_driver *drv);
void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
+struct qcom_smd_channel *qcom_smd_open_channel(struct qcom_smd_channel *channel,
+ const char *name,
+ qcom_smd_cb_t cb);
void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel);
void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data);
+int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
+
+
+#else
+
+static inline int qcom_smd_driver_register(struct qcom_smd_driver *drv)
+{
+ return -ENXIO;
+}
+
+static inline void qcom_smd_driver_unregister(struct qcom_smd_driver *drv)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+}
+
+static inline struct qcom_smd_channel *
+qcom_smd_open_channel(struct qcom_smd_channel *channel,
+ const char *name,
+ qcom_smd_cb_t cb)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+ return NULL;
+}
+
+void *qcom_smd_get_drvdata(struct qcom_smd_channel *channel)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+ return NULL;
+}
+
+void qcom_smd_set_drvdata(struct qcom_smd_channel *channel, void *data)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+}
+
+static inline int qcom_smd_send(struct qcom_smd_channel *channel,
+ const void *data, int len)
+{
+ /* This shouldn't be possible */
+ WARN_ON(1);
+ return -ENXIO;
+}
+
+#endif
#define module_qcom_smd_driver(__smd_driver) \
module_driver(__smd_driver, qcom_smd_driver_register, \
qcom_smd_driver_unregister)
-int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
-
-struct qcom_smd_channel *qcom_smd_open_channel(struct qcom_smd_channel *channel,
- const char *name,
- qcom_smd_cb_t cb);
#endif