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Subject[PATCH] firmware: imx: add dummy functions
Date
From: Peng Fan <peng.fan@nxp.com>

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>
---

V1: Seems this patch was missed. https://patchwork.kernel.org/cover/11395245/
Rebased on linux-next.

include/linux/firmware/imx/ipc.h | 13 +++++++++++++
include/linux/firmware/imx/sci.h | 27 +++++++++++++++++++++++++++
include/linux/firmware/imx/svc/misc.h | 19 +++++++++++++++++++
3 files changed, 59 insertions(+)

diff --git a/include/linux/firmware/imx/ipc.h b/include/linux/firmware/imx/ipc.h
index 891057434858..0b4643571625 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;
};

+#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 22c76571a294..5cc63fe7e84d 100644
--- 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 031dd4d3c766..760db08a67fc 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
*/

+#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 */
--
2.28.0
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