diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index c2534ca5c6f1..788f6478b4ab 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -681,6 +681,66 @@ err:
 	return rets;
 }
 
+/**
+ * mei_cl_irq_write_complete - write a message to device
+ *	from the interrupt thread context
+ *
+ * @cl: client
+ * @cb: callback block.
+ * @slots: free slots.
+ * @cmpl_list: complete list.
+ *
+ * returns 0, OK; otherwise error.
+ */
+int mei_cl_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb,
+				     s32 *slots, struct mei_cl_cb *cmpl_list)
+{
+	struct mei_device *dev = cl->dev;
+	struct mei_msg_hdr mei_hdr;
+	size_t len = cb->request_buffer.size - cb->buf_idx;
+	u32 msg_slots = mei_data2slots(len);
+
+	mei_hdr.host_addr = cl->host_client_id;
+	mei_hdr.me_addr = cl->me_client_id;
+	mei_hdr.reserved = 0;
+
+	if (*slots >= msg_slots) {
+		mei_hdr.length = len;
+		mei_hdr.msg_complete = 1;
+	/* Split the message only if we can write the whole host buffer */
+	} else if (*slots == dev->hbuf_depth) {
+		msg_slots = *slots;
+		len = (*slots * sizeof(u32)) - sizeof(struct mei_msg_hdr);
+		mei_hdr.length = len;
+		mei_hdr.msg_complete = 0;
+	} else {
+		/* wait for next time the host buffer is empty */
+		return 0;
+	}
+
+	dev_dbg(&dev->pdev->dev, "buf: size = %d idx = %lu\n",
+			cb->request_buffer.size, cb->buf_idx);
+	dev_dbg(&dev->pdev->dev, MEI_HDR_FMT, MEI_HDR_PRM(&mei_hdr));
+
+	*slots -=  msg_slots;
+	if (mei_write_message(dev, &mei_hdr,
+			cb->request_buffer.data + cb->buf_idx)) {
+		cl->status = -ENODEV;
+		list_move_tail(&cb->list, &cmpl_list->list);
+		return -ENODEV;
+	}
+
+	cl->status = 0;
+	cb->buf_idx += mei_hdr.length;
+	if (mei_hdr.msg_complete) {
+		if (mei_cl_flow_ctrl_reduce(cl))
+			return -ENODEV;
+		list_move_tail(&cb->list, &dev->write_waiting_list.list);
+	}
+
+	return 0;
+}
+
 /**
  * mei_cl_write - submit a write cb to mei device
 	assumes device_lock is locked
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h
index 7dc2af7b6fba..26b157d8bad5 100644
--- a/drivers/misc/mei/client.h
+++ b/drivers/misc/mei/client.h
@@ -89,6 +89,9 @@ int mei_cl_disconnect(struct mei_cl *cl);
 int mei_cl_connect(struct mei_cl *cl, struct file *file);
 int mei_cl_read_start(struct mei_cl *cl, size_t length);
 int mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, bool blocking);
+int mei_cl_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb,
+				s32 *slots, struct mei_cl_cb *cmpl_list);
+
 void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb);
 
 void mei_host_client_init(struct work_struct *work);
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 7d9509a094e9..4b59cb742dee 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -282,65 +282,6 @@ static int mei_cl_irq_ioctl(struct mei_cl *cl, struct mei_cl_cb *cb,
 	return 0;
 }
 
-/**
- * mei_cl_irq_write_complete - write messages to device.
- *
- * @cl: client
- * @cb: callback block.
- * @slots: free slots.
- * @cmpl_list: complete list.
- *
- * returns 0, OK; otherwise, error.
- */
-static int mei_cl_irq_write_complete(struct mei_cl *cl, struct mei_cl_cb *cb,
-				     s32 *slots, struct mei_cl_cb *cmpl_list)
-{
-	struct mei_device *dev = cl->dev;
-	struct mei_msg_hdr mei_hdr;
-	size_t len = cb->request_buffer.size - cb->buf_idx;
-	u32 msg_slots = mei_data2slots(len);
-
-	mei_hdr.host_addr = cl->host_client_id;
-	mei_hdr.me_addr = cl->me_client_id;
-	mei_hdr.reserved = 0;
-
-	if (*slots >= msg_slots) {
-		mei_hdr.length = len;
-		mei_hdr.msg_complete = 1;
-	/* Split the message only if we can write the whole host buffer */
-	} else if (*slots == dev->hbuf_depth) {
-		msg_slots = *slots;
-		len = (*slots * sizeof(u32)) - sizeof(struct mei_msg_hdr);
-		mei_hdr.length = len;
-		mei_hdr.msg_complete = 0;
-	} else {
-		/* wait for next time the host buffer is empty */
-		return 0;
-	}
-
-	dev_dbg(&dev->pdev->dev, "buf: size = %d idx = %lu\n",
-			cb->request_buffer.size, cb->buf_idx);
-	dev_dbg(&dev->pdev->dev, MEI_HDR_FMT, MEI_HDR_PRM(&mei_hdr));
-
-	*slots -=  msg_slots;
-	if (mei_write_message(dev, &mei_hdr,
-			cb->request_buffer.data + cb->buf_idx)) {
-		cl->status = -ENODEV;
-		list_move_tail(&cb->list, &cmpl_list->list);
-		return -ENODEV;
-	}
-
-
-	cl->status = 0;
-	cb->buf_idx += mei_hdr.length;
-	if (mei_hdr.msg_complete) {
-		if (mei_cl_flow_ctrl_reduce(cl))
-			return -ENODEV;
-		list_move_tail(&cb->list, &dev->write_waiting_list.list);
-	}
-
-	return 0;
-}
 
 /**
  * mei_irq_read_handler - bottom half read routine after ISR to