rpmsg: smd: Expose edge registration functions

[linux-2.6-microblaze.git] / include / linux / rpmsg / qcom_smd.h

diff --git a/include/linux/rpmsg/qcom_smd.h b/include/linux/rpmsg/qcom_smd.h
new file mode 100644 (file)
index 0000000..e674b2e
--- /dev/null
+++ b/include/linux/rpmsg/qcom_smd.h
@@ -0,0 +1,33 @@
+
+#ifndef _LINUX_RPMSG_QCOM_SMD_H
+#define _LINUX_RPMSG_QCOM_SMD_H
+
+#include <linux/device.h>
+
+struct qcom_smd_edge;
+
+#if IS_ENABLED(CONFIG_RPMSG_QCOM_SMD) || IS_ENABLED(CONFIG_QCOM_SMD)
+
+struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
+                                            struct device_node *node);
+int qcom_smd_unregister_edge(struct qcom_smd_edge *edge);
+
+#else
+
+static inline struct qcom_smd_edge *
+qcom_smd_register_edge(struct device *parent,
+                      struct device_node *node)
+{
+       return ERR_PTR(-ENXIO);
+}
+
+static inline int qcom_smd_unregister_edge(struct qcom_smd_edge *edge)
+{
+       /* This shouldn't be possible */
+       WARN_ON(1);
+       return -ENXIO;
+}
+
+#endif
+
+#endif