diff --git a/src/ipc/ipc-zephyr.c b/src/ipc/ipc-zephyr.c
index 85c6656a1..dc1368467 100644
--- a/src/ipc/ipc-zephyr.c
+++ b/src/ipc/ipc-zephyr.c
@@ -169,11 +169,7 @@ int ipc_platform_send_msg(const struct ipc_msg *msg)
 	/* prepare the message and copy to mailbox */
 	struct ipc_cmd_hdr *hdr = ipc_prepare_to_send(msg);
 
-	if (!intel_adsp_ipc_send_message(INTEL_ADSP_IPC_HOST_DEV, hdr->pri, hdr->ext))
-		/* IPC device is busy with something else */
-		return -EBUSY;
-
-	return 0;
+	return intel_adsp_ipc_send_message(INTEL_ADSP_IPC_HOST_DEV, hdr->pri, hdr->ext);
 }
 
 void ipc_platform_send_msg_direct(const struct ipc_msg *msg)
diff --git a/west.yml b/west.yml
index 81c2f6e54..4c3dd144e 100644
--- a/west.yml
+++ b/west.yml
@@ -45,7 +45,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: e2e3dc0771188f2a01e3aaa792f81e6c6a611eb6
+      revision: 23b3cae1b1d91cd064d31cdeb78e3a6127b5051d
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision