include/linux/rpmsg/qcom_smd.h

   1
   2 #ifndef _LINUX_RPMSG_QCOM_SMD_H
   3 #define _LINUX_RPMSG_QCOM_SMD_H
   4
   5 #include <linux/device.h>
   6
   7 struct qcom_smd_edge;
   8
   9 #if IS_ENABLED(CONFIG_RPMSG_QCOM_SMD) || IS_ENABLED(CONFIG_QCOM_SMD)
  10
  11 struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
  12                                              struct device_node *node);
  13 int qcom_smd_unregister_edge(struct qcom_smd_edge *edge);
  14
  15 #else
  16
  17 static inline struct qcom_smd_edge *
  18 qcom_smd_register_edge(struct device *parent,
  19                        struct device_node *node)
  20 {
  21         return ERR_PTR(-ENXIO);
  22 }
  23
  24 static inline int qcom_smd_unregister_edge(struct qcom_smd_edge *edge)
  25 {
  26         /* This shouldn't be possible */
  27         WARN_ON(1);
  28         return -ENXIO;
  29 }
  30
  31 #endif
  32
  33 #endif