[PATCH V4 1/6] firmware: imx: always export SCU symbols

[Joakim Zhang <qiangqing.zhang@xxxxxxx>]

From: Liu Ying <victor.liu@xxxxxxx>

Always export SCU symbols for both SCU SoCs and non-SCU SoCs to avoid
build error.

Signed-off-by: Liu Ying <victor.liu@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Signed-off-by: Joakim Zhang <qiangqing.zhang@xxxxxxx>
---
 include/linux/firmware/imx/ipc.h      | 15 +++++++++++++++
 include/linux/firmware/imx/svc/misc.h | 23 +++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/include/linux/firmware/imx/ipc.h b/include/linux/firmware/imx/ipc.h
index 891057434858..300fa253fc30 100644
--- a/include/linux/firmware/imx/ipc.h
+++ b/include/linux/firmware/imx/ipc.h
@@ -34,6 +34,7 @@ struct imx_sc_rpc_msg {
 	uint8_t func;
 };
 
+#if IS_ENABLED(CONFIG_IMX_SCU)
 /*
  * This is an function to send an RPC message over an IPC channel.
  * It is called by client-side SCFW API function shims.
@@ -55,4 +56,18 @@ int imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg, bool have_resp);
  * @return Returns an error code (0 = success, failed if < 0)
  */
 int imx_scu_get_handle(struct imx_sc_ipc **ipc);
+
+#else
+static inline int
+imx_scu_call_rpc(struct imx_sc_ipc *ipc, void *msg, bool have_resp)
+{
+	return -EIO;
+}
+
+static inline int imx_scu_get_handle(struct imx_sc_ipc **ipc)
+{
+	return -EIO;
+}
+#endif
+
 #endif /* _SC_IPC_H */
diff --git a/include/linux/firmware/imx/svc/misc.h b/include/linux/firmware/imx/svc/misc.h
index 031dd4d3c766..d255048f17de 100644
--- a/include/linux/firmware/imx/svc/misc.h
+++ b/include/linux/firmware/imx/svc/misc.h
@@ -46,6 +46,7 @@ enum imx_misc_func {
  * Control Functions
  */
 
+#if IS_ENABLED(CONFIG_IMX_SCU)
 int imx_sc_misc_set_control(struct imx_sc_ipc *ipc, u32 resource,
 			    u8 ctrl, u32 val);
 
@@ -55,4 +56,26 @@ int imx_sc_misc_get_control(struct imx_sc_ipc *ipc, u32 resource,
 int imx_sc_pm_cpu_start(struct imx_sc_ipc *ipc, u32 resource,
 			bool enable, u64 phys_addr);
 
+#else
+static inline int
+imx_sc_misc_set_control(struct imx_sc_ipc *ipc, u32 resource,
+			u8 ctrl, u32 val)
+{
+	return -EIO;
+}
+
+static inline int
+imx_sc_misc_get_control(struct imx_sc_ipc *ipc, u32 resource,
+			u8 ctrl, u32 *val)
+{
+	return -EIO;
+}
+
+static inline int imx_sc_pm_cpu_start(struct imx_sc_ipc *ipc, u32 resource,
+				      bool enable, u64 phys_addr)
+{
+	return -EIO;
+}
+#endif
+
 #endif /* _SC_MISC_API_H */
-- 
2.17.1