firmware: imx: add dummy functions

add dummy functions to avoid build failure when header files
are included, but drivers are not built.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/include/linux/firmware/imx/ipc.h b/include/linux/firmware/imx/ipc.h
index 89105743485846fe1badfb1171c53fd36fce86dc..0b4643571625469f1944254a3018e4099d365161 100644 (file)
--- 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;
 };
 
+#ifdef 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 +56,16 @@ 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 -ENOTSUPP;
+}
+
+static inline int imx_scu_get_handle(struct imx_sc_ipc **ipc)
+{
+       return -ENOTSUPP;
+}
+#endif
 #endif /* _SC_IPC_H */

diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h
index 22c76571a2940f835d8f47c0824128831399b744..5cc63fe7e84d8e5c24e860e3ad542f84cb378ee4 100644 (file)
--- a/include/linux/firmware/imx/sci.h
+++ b/include/linux/firmware/imx/sci.h
@@ -16,9 +16,36 @@
 #include <linux/firmware/imx/svc/pm.h>
 #include <linux/firmware/imx/svc/rm.h>
 
+#if IS_ENABLED(CONFIG_IMX_SCU)
 int imx_scu_enable_general_irq_channel(struct device *dev);
 int imx_scu_irq_register_notifier(struct notifier_block *nb);
 int imx_scu_irq_unregister_notifier(struct notifier_block *nb);
 int imx_scu_irq_group_enable(u8 group, u32 mask, u8 enable);
 int imx_scu_soc_init(struct device *dev);
+#else
+static inline int imx_scu_soc_init(struct device *dev)
+{
+       return -ENOTSUPP;
+}
+
+static inline int imx_scu_enable_general_irq_channel(struct device *dev)
+{
+       return -ENOTSUPP;
+}
+
+static inline int imx_scu_irq_register_notifier(struct notifier_block *nb)
+{
+       return -ENOTSUPP;
+}
+
+static inline int imx_scu_irq_unregister_notifier(struct notifier_block *nb)
+{
+       return -ENOTSUPP;
+}
+
+static inline int imx_scu_irq_group_enable(u8 group, u32 mask, u8 enable)
+{
+       return -ENOTSUPP;
+}
+#endif
 #endif /* _SC_SCI_H */

diff --git a/include/linux/firmware/imx/svc/misc.h b/include/linux/firmware/imx/svc/misc.h
index 031dd4d3c766b12f571b074c8579c7bac9445ca9..760db08a67fcceebdf7e5d1dc9d7294b1215c07f 100644 (file)
--- 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
  */
 
+#ifdef CONFIG_IMX_SCU
 int imx_sc_misc_set_control(struct imx_sc_ipc *ipc, u32 resource,
                            u8 ctrl, u32 val);
 
@@ -54,5 +55,23 @@ 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 -ENOTSUPP;
+}
 
+static inline int imx_sc_misc_get_control(struct imx_sc_ipc *ipc,
+                                         u32 resource, u8 ctrl, u32 *val)
+{
+       return -ENOTSUPP;
+}
+
+static inline int imx_sc_pm_cpu_start(struct imx_sc_ipc *ipc, u32 resource,
+                                     bool enable, u64 phys_addr)
+{
+       return -ENOTSUPP;
+}
+#endif
 #endif /* _SC_MISC_API_H */