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Date: Fri, 21 Feb 2020 10:32:18 +0800 From: peng.fan@....com To: shawnguo@...nel.org, s.hauer@...gutronix.de Cc: festevam@...il.com, kernel@...gutronix.de, linux-imx@....com, olof@...om.net, aisheng.dong@....com, leonard.crestez@....com, abel.vesa@....com, krzk@...nel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com> Subject: [PATCH V5 1/2] firmware: imx: add dummy functions From: Peng Fan <peng.fan@....com> IMX_SCU_SOC could be enabled with COMPILE_TEST, however there is no dummy functions when CONFIG_IMX_SCU not defined. Then there will be build failure. So add dummy functions to avoid build failure for COMPILE_TEST Signed-off-by: Peng Fan <peng.fan@....com> --- include/linux/firmware/imx/ipc.h | 13 +++++++++++++ include/linux/firmware/imx/sci.h | 22 ++++++++++++++++++++++ include/linux/firmware/imx/svc/misc.h | 19 +++++++++++++++++++ 3 files changed, 54 insertions(+) diff --git a/include/linux/firmware/imx/ipc.h b/include/linux/firmware/imx/ipc.h index 6312c8cb084a..30475082f472 100644 --- a/include/linux/firmware/imx/ipc.h +++ b/include/linux/firmware/imx/ipc.h @@ -35,6 +35,7 @@ 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. @@ -56,4 +57,16 @@ 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 17ba4e405129..7ea875b186e3 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -16,8 +16,30 @@ #include <linux/firmware/imx/svc/misc.h> #include <linux/firmware/imx/svc/pm.h> +#ifdef 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); +#else +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 */ -- 2.16.4
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