tree-wide: add missing preprocessor comments

Use the add-endif-comments.py script to add missing comments to ipc,
library_manager and schedule directories under src/.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

Author: lyakh

src/ipc/ipc-common.c

@@ -336,7 +336,7 @@ void z_vrfy_ipc_msg_send(struct ipc_msg *msg, void *data, bool high_priority)
 	z_impl_ipc_msg_send(msg, data, high_priority);
 }
 #include <zephyr/syscalls/ipc_msg_send_mrsh.c>
-#endif
+#endif /* CONFIG_USERSPACE */
 
 void z_impl_ipc_msg_list_remove(struct ipc_msg *msg)
 {
@@ -375,7 +375,7 @@ void z_vrfy_ipc_msg_list_remove(struct ipc_msg *msg)
 	z_impl_ipc_msg_list_remove(msg);
 }
 #include <zephyr/syscalls/ipc_msg_list_remove_mrsh.c>
-#endif
+#endif /* CONFIG_USERSPACE */
 
 #ifdef __ZEPHYR__
 static void ipc_work_handler(struct k_work *work)
@@ -683,7 +683,7 @@ __cold static void ipc_user_init(void)
 			LOG_WRN("cold rodata partition %#zx @ %#lx add failed: %d",
 				cold_part.size, cold_part.start, ret);
 	}
-#endif
+#endif /* CONFIG_COLD_STORE_EXECUTE_DRAM */
 
 	k_sem_init(ipc_user->sem, 0, 1);
 
@@ -730,7 +730,7 @@ __cold static void ipc_user_init(void)
 	/* Wait for user thread startup — consumes the initial k_sem_give from thread */
 	k_sem_take(ipc_user->sem, K_FOREVER);
 }
-#else
+#else /* CONFIG_SOF_USERSPACE_LL */
 static void ipc_user_init(void)
 {
 }
@@ -768,7 +768,7 @@ __cold int ipc_init(struct sof *sof)
 		return -ENOMEM;
 	}
 	sof->ipc = ipc;
-#endif
+#endif /* CONFIG_SOF_USERSPACE_LL */
 
 	ipc->comp_data = sof_heap_alloc(heap, SOF_MEM_FLAG_USER | SOF_MEM_FLAG_COHERENT,
 					SOF_IPC_MSG_MAX_SIZE, 0);
@@ -818,7 +818,7 @@ __cold int ipc_init(struct sof *sof)
 	k_thread_resume(thread);
 
 	k_work_init_delayable(&ipc->z_delayed_work, ipc_work_handler);
-#endif
+#endif /* __ZEPHYR__ */
 
 	ipc_user_init();
 

src/ipc/ipc3/dai.c

@@ -225,7 +225,7 @@ int ipc_dai_data_config(struct dai_data *dd, struct comp_dev *dev)
 			}
 		}
 	}
-#endif
+#endif /* defined(CONFIG_AMD) && !defined(CONFIG_SOC_ACP_6_0) */
 		break;
 	case SOF_DAI_AMD_SDW:
 #if defined(CONFIG_AMD) && !defined(CONFIG_SOC_ACP_6_0)
@@ -265,7 +265,7 @@ int ipc_dai_data_config(struct dai_data *dd, struct comp_dev *dev)
 		pin_data->instance = DAI_INDEX_INVALID;
 		dev_data->dai_index_ptr = pin_data;
 	}
-#endif
+#endif /* defined(CONFIG_AMD) && !defined(CONFIG_SOC_ACP_6_0) */
 		break;
 	case SOF_DAI_MEDIATEK_AFE:
 		break;
@@ -390,7 +390,7 @@ void dai_dma_release(struct dai_data *dd, struct comp_dev *dev)
 		dd->chan->dev_data = NULL;
 		dd->chan = NULL;
 	}
-#endif
+#endif /* CONFIG_ZEPHYR_NATIVE_DRIVERS */
 }
 
 int dai_config(struct dai_data *dd, struct comp_dev *dev, struct ipc_config_dai *common_config,

src/ipc/ipc3/handler.c

@@ -191,7 +191,7 @@ static bool is_hostless_upstream(struct comp_dev *current)
 
 	return true;
 }
-#endif
+#endif /* CONFIG_HOST_PTABLE */
 
 /* allocate a new stream */
 static int ipc_stream_pcm_params(uint32_t stream)
@@ -305,7 +305,7 @@ static int ipc_stream_pcm_params(uint32_t stream)
 	}
 
 pipe_params:
-#endif
+#endif /* CONFIG_HOST_PTABLE */
 
 	/* configure pipeline audio params */
 	err = pipeline_params(pcm_dev->cd->pipeline, pcm_dev->cd,
@@ -694,7 +694,7 @@ static int ipc_pm_context_save(uint32_t header)
 
 	/* write the context to the host driver */
 	//mailbox_hostbox_write(0, pm_ctx, sizeof(*pm_ctx));
-#endif
+#endif /* !defined(CONFIG_LIBRARY) && !defined(CONFIG_ZEPHYR_POSIX) */
 	ipc_get()->pm_prepare_D3 = 1;
 
 	return 0;
@@ -866,7 +866,7 @@ static int ipc_dma_trace_config(uint32_t header)
 
 	/* host buffer size for DMA trace */
 	dmat->host_size = params.buffer.size;
-#endif
+#endif /* CONFIG_HOST_PTABLE */
 
 	err = dma_trace_enable(dmat);
 	if (err < 0) {
@@ -956,7 +956,7 @@ static int ipc_glb_trace_message(uint32_t header)
 		return -EINVAL;
 	}
 }
-#else
+#else /* CONFIG_TRACE */
 static int ipc_glb_trace_message(uint32_t header)
 {
 	/* Return success, as the protocol provides no way to inform
@@ -965,7 +965,7 @@ static int ipc_glb_trace_message(uint32_t header)
 	 */
 	return 0;
 }
-#endif
+#endif /* CONFIG_TRACE */
 
 static int ipc_glb_gdb_debug(uint32_t header)
 {
@@ -1174,14 +1174,14 @@ static int ipc_glb_probe(uint32_t header)
 		return -EINVAL;
 	}
 }
-#else
+#else /* CONFIG_PROBE */
 static inline int ipc_glb_probe(uint32_t header)
 {
 	ipc_cmd_err(&ipc_tr, "Probes not enabled by Kconfig.");
 
 	return -EINVAL;
 }
-#endif
+#endif /* CONFIG_PROBE */
 
 /*
  * Topology IPC Operations.
@@ -1490,7 +1490,7 @@ struct ipc_cmd_hdr *ipc_compact_read_msg(void)
 
 	return NULL;
 }
-#endif
+#endif /* CONFIG_CAVS */
 
 /* prepare the message using ABI major layout */
 struct ipc_cmd_hdr *ipc_prepare_to_send(const struct ipc_msg *msg)
@@ -1539,7 +1539,7 @@ static int ipc_fw_ready(void)
 	 *	contiguously in the hostbox)
 	 */
 	return platform_boot_complete(0);
-#else
+#else /* CONFIG_IMX93_A55 */
 	/* any other platform should not receive SOF_IPC_FW_READY from host */
 	return -EINVAL;
 #endif /* CONFIG_IMX93_A55 */

src/ipc/ipc3/helper.c

@@ -232,7 +232,7 @@ static int comp_specific_builder(struct sof_ipc_comp *comp,
 		config->file.module_header.data = (uint8_t *)proc->data -
 			sizeof(struct ipc_config_process);
 		break;
-#endif
+#endif /* CONFIG_LIBRARY */
 	case SOF_COMP_HOST:
 	case SOF_COMP_SG_HOST:
 		if (IPC_TAIL_IS_SIZE_INVALID(*host))

src/ipc/ipc3/host-page-table.c

@@ -164,7 +164,7 @@ static int ipc_get_page_descriptors(struct sof_dma *dmac, uint8_t *page_table,
 
 	return ret;
 }
-#else
+#else /* CONFIG_ZEPHYR_NATIVE_DRIVERS */
 static int ipc_get_page_descriptors(struct dma *dmac, uint8_t *page_table,
 				    struct sof_ipc_host_buffer *ring)
 {

src/ipc/ipc4/dai.c

@@ -74,7 +74,7 @@ void dai_set_link_hda_config(uint16_t *link_config,
 		return;
 	}
 	*link_config = link_cfg.full;
-#endif
+#endif /* ACE_VERSION > ACE_VERSION_1_5 */
 }
 
 int dai_config_dma_channel(struct dai_data *dd, struct comp_dev *dev, const void *spec_config)

src/ipc/ipc4/handler-kernel.c

@@ -97,7 +97,7 @@ static inline void ipc4_send_reply(struct ipc4_message_reply *reply)
 	ret = memcpy_s(ipc->comp_data, sizeof(*reply), reply, sizeof(*reply));
 	assert(!ret);
 }
-#else
+#else /* CONFIG_LIBRARY */
 static inline struct ipc4_message_request *ipc4_get_message_request(void)
 {
 	/* ignoring _hdr as it does not contain valid data in IPC4/IDC case */
@@ -112,7 +112,7 @@ static inline void ipc4_send_reply(struct ipc4_message_reply *reply)
 	ipc_msg_send(&msg_reply, data, true);
 }
 
-#endif
+#endif /* CONFIG_LIBRARY */
 
 __cold static bool is_any_ppl_active(void)
 {
@@ -186,7 +186,7 @@ void z_vrfy_ipc_compound_post_start(uint32_t msg_id, int ret, bool delayed)
 	z_impl_ipc_compound_post_start(msg_id, ret, delayed);
 }
 #include <zephyr/syscalls/ipc_compound_post_start_mrsh.c>
-#endif
+#endif /* CONFIG_USERSPACE */
 
 void ipc_compound_msg_done(uint32_t msg_id, int error)
 {
@@ -247,7 +247,7 @@ int z_vrfy_ipc_wait_for_compound_msg(void)
 }
 #include <zephyr/syscalls/ipc_wait_for_compound_msg_mrsh.c>
 #endif
-#endif
+#endif /* CONFIG_LIBRARY */
 
 #if CONFIG_LIBRARY_MANAGER
 __cold static int ipc4_load_library(struct ipc4_message_request *ipc4)
@@ -266,7 +266,7 @@ __cold static int ipc4_load_library(struct ipc4_message_request *ipc4)
 
 	return IPC4_SUCCESS;
 }
-#endif
+#endif /* CONFIG_LIBRARY_MANAGER */
 
 static int ipc4_process_glb_message(struct ipc4_message_request *ipc4)
 {
@@ -564,7 +564,7 @@ void ipc_send_buffer_status_notify(void)
 
 	ipc_msg_send(&msg_notify, NULL, true);
 }
-#endif
+#endif /* CONFIG_LOG_BACKEND_ADSP_MTRACE */
 
 void z_impl_ipc_msg_reply(struct sof_ipc_reply *reply)
 {

src/ipc/ipc4/handler-user.c

@@ -86,7 +86,7 @@ static inline const struct ipc4_pipeline_set_state_data *ipc4_get_pipeline_data(
 
 	return ppl_data;
 }
-#endif
+#endif /* CONFIG_LIBRARY */
 /*
  * Global IPC Operations.
  */
@@ -114,7 +114,7 @@ static unsigned int ipc4_user_target_core_module(struct ipc4_message_request *ip
 
 	return cpu_get_id();
 }
-#else
+#else /* CONFIG_SOF_USERSPACE_LL */
 __cold static int ipc4_new_pipeline(struct ipc4_message_request *ipc4)
 {
 	struct ipc *ipc = ipc_get();
@@ -136,7 +136,7 @@ __cold static int ipc4_delete_pipeline(struct ipc4_message_request *ipc4)
 
 	return ipc_pipeline_free(ipc, pipe->primary.r.instance_id);
 }
-#endif
+#endif /* CONFIG_SOF_USERSPACE_LL */
 
 static int ipc4_pcm_params(struct ipc_comp_dev *pcm_dev)
 {
@@ -653,9 +653,9 @@ __cold static int ipc4_process_chain_dma(struct ipc4_message_request *ipc4)
 		return IPC4_INVALID_CHAIN_STATE_TRANSITION;
 
 	return IPC4_SUCCESS;
-#else
+#else /* CONFIG_COMP_CHAIN_DMA */
 	return IPC4_UNAVAILABLE;
-#endif
+#endif /* CONFIG_COMP_CHAIN_DMA */
 }
 
 __cold static int ipc4_process_ipcgtw_cmd(struct ipc4_message_request *ipc4)
@@ -678,10 +678,10 @@ __cold static int ipc4_process_ipcgtw_cmd(struct ipc4_message_request *ipc4)
 	}
 
 	return err < 0 ? IPC4_FAILURE : IPC4_SUCCESS;
-#else
+#else /* CONFIG_IPC4_GATEWAY */
 	ipc_cmd_err(&ipc_tr, "CONFIG_IPC4_GATEWAY is disabled");
 	return IPC4_UNAVAILABLE;
-#endif
+#endif /* CONFIG_IPC4_GATEWAY */
 }
 
 static int ipc_glb_gdb_debug(struct ipc4_message_request *ipc4)
@@ -774,9 +774,9 @@ int ipc4_user_process_glb_message(struct ipc4_message_request *ipc4,
 		}
 		ret = ipc_user_forward_cmd(ipc4->primary.dat, ipc4->extension.dat, ppl->core);
 	}
-#else
+#else /* CONFIG_SOF_USERSPACE_LL */
 		ret = ipc4_set_pipeline_state(ipc4);
-#endif
+#endif /* CONFIG_SOF_USERSPACE_LL */
 		break;
 
 	case SOF_IPC4_GLB_GET_PIPELINE_STATE:
@@ -1599,7 +1599,7 @@ __cold int ipc4_user_process_module_message(struct ipc4_message_request *ipc4,
 			ipc_get()->ipc_user_pdata->init_drv = drv;
 			ret = ipc_user_forward_cmd(ipc4->primary.dat, ipc4->extension.dat,
 						   mi->extension.r.core_id);
-#endif
+#endif /* CONFIG_SOF_USERSPACE_LL */
 		} else {
 			/*
 			 * DP module creation starts running in kernel mode and
@@ -1659,9 +1659,9 @@ __cold int ipc4_user_process_module_message(struct ipc4_message_request *ipc4,
 			ret = ipc4_get_large_config_module_instance(ipc4);
 		}
 	}
-#else
+#else /* CONFIG_SOF_USERSPACE_LL */
 		ret = ipc4_get_large_config_module_instance(ipc4);
-#endif
+#endif /* CONFIG_SOF_USERSPACE_LL */
 		break;
 	case SOF_IPC4_MOD_LARGE_CONFIG_SET:
 #ifdef CONFIG_SOF_USERSPACE_LL