Merge "mhi: core: Create dummy MHI APIs to fix compile errors" (09342991) · Commits · e / devices / android_kernel_sony_msm8998

include/linux/msm_mhi.h

+116 −21

Original line number	Diff line number	Diff line
		@@ -168,6 +168,7 @@ enum mhi_rddm_segment {
		MHI_RDDM_RD_SEGMENT,
		};

		#if defined(CONFIG_MSM_MHI)
		/**
		* mhi_is_device_ready - Check if MHI is ready to register clients
		*
		@@ -187,10 +188,22 @@ bool mhi_is_device_ready(const struct device * const dev,
		* @userdata: cb data for client
		* @Return 0 on success
		*/
		int mhi_register_device(struct mhi_device *mhi_device,
		const char *node_name,
		int mhi_register_device(struct mhi_device mhi_device, const char node_name,
		void *user_data);

		/**
		* mhi_register_channel - Client must call this function to obtain a handle for
		* any MHI operations
		*
		* @client_handle: Handle populated by MHI, opaque to client
		* @client_info: Channel\device information provided by client to
		* which the handle maps to.
		*
		* @Return errno
		*/
		int mhi_register_channel(struct mhi_client_handle **client_handle,
		struct mhi_client_info_t *client_info);

		/**
		* mhi_pm_control_device - power management control api
		* @mhi_device: registered device structure
		@@ -218,19 +231,6 @@ int mhi_xfer_rddm(struct mhi_device *mhi_device, enum mhi_rddm_segment seg,
		*/
		int mhi_deregister_channel(struct mhi_client_handle *client_handle);

		/**
		* mhi_register_channel - Client must call this function to obtain a handle for
		* any MHI operations
		*
		* @client_handle: Handle populated by MHI, opaque to client
		* @client_info: Channel\device information provided by client to
		* which the handle maps to.
		*
		* @Return errno
		*/
		int mhi_register_channel(struct mhi_client_handle **client_handle,
		struct mhi_client_info_t *client_info);

		/**
		* mhi_open_channel - Client must call this function to open a channel
		*
		@@ -258,8 +258,8 @@ int mhi_open_channel(struct mhi_client_handle *client_handle);
		*
		* @Return errno
		*/
		int mhi_queue_xfer(struct mhi_client_handle *client_handle,
		void *buf, size_t buf_len, enum MHI_FLAGS mhi_flags);
		int mhi_queue_xfer(struct mhi_client_handle client_handle, void buf,
		size_t buf_len, enum MHI_FLAGS mhi_flags);

		/**
		* mhi_close_channel - Client can request channel to be closed and handle freed
		@@ -311,12 +311,107 @@ int mhi_poll_inbound(struct mhi_client_handle *client_handle,
		*/
		int mhi_get_max_desc(struct mhi_client_handle *client_handle);

		/* RmNET Reserved APIs, This APIs are reserved for use by the linux network
		* stack only. Use by other clients will introduce system wide issues
		*/
		/* following APIs meant to be used by rmnet interface only */
		int mhi_set_lpm(struct mhi_client_handle *client_handle, bool enable_lpm);
		int mhi_get_epid(struct mhi_client_handle *mhi_handle);
		struct mhi_result mhi_poll(struct mhi_client_handle client_handle);
		void mhi_mask_irq(struct mhi_client_handle *client_handle);
		void mhi_unmask_irq(struct mhi_client_handle *client_handle);

		#else
		static inline bool mhi_is_device_ready(const struct device * const dev,
		const char *node_name)
		{
		return false;
		};

		static inline int mhi_register_device(struct mhi_device *mhi_device,
		const char node_name, void user_data)
		{
		return -EINVAL;
		};

		static inline int mhi_register_channel(struct mhi_client_handle **client_handle,
		struct mhi_client_info_t *client_info)
		{
		return -EINVAL;
		};

		static inline int mhi_pm_control_device(struct mhi_device *mhi_device,
		enum mhi_dev_ctrl ctrl)
		{
		return -EINVAL;
		};

		static inline int mhi_xfer_rddm(struct mhi_device *mhi_device,
		enum mhi_rddm_segment seg,
		struct scatterlist **sg_list)
		{
		return -EINVAL;
		};

		static inline int mhi_deregister_channel(struct mhi_client_handle
		*client_handle)
		{
		return -EINVAL;
		};

		static inline int mhi_open_channel(struct mhi_client_handle *client_handle)
		{
		return -EINVAL;
		};

		static inline int mhi_queue_xfer(struct mhi_client_handle *client_handle,
		void *buf, size_t buf_len,
		enum MHI_FLAGS mhi_flags)
		{
		return -EINVAL;
		};

		static inline void mhi_close_channel(struct mhi_client_handle *client_handle)
		{
		};

		static inline int mhi_get_free_desc(struct mhi_client_handle *client_handle)
		{
		return -EINVAL;
		};

		static inline int mhi_poll_inbound(struct mhi_client_handle *client_handle,
		struct mhi_result *result)
		{
		return -EINVAL;
		};

		static inline int mhi_get_max_desc(struct mhi_client_handle *client_handle)
		{
		return -EINVAL;
		};

		static inline int mhi_set_lpm(struct mhi_client_handle *client_handle,
		bool enable_lpm)
		{
		return -EINVAL;
		};

		static inline int mhi_get_epid(struct mhi_client_handle *mhi_handle)
		{
		return -EINVAL;
		};

		static inline struct mhi_result *mhi_poll(struct mhi_client_handle
		*client_handle)
		{
		return NULL;
		};

		static inline void mhi_mask_irq(struct mhi_client_handle *client_handle)
		{
		};

		static inline void mhi_unmask_irq(struct mhi_client_handle *client_handle)
		{
		};

		#endif
		#endif