diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index a34430f55fb751001a216b60770de6c2adfb5b5f..7eacacda8589c05e405d8fff720ce14c6bf6ea94 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -118,7 +118,13 @@ struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt)
 	return pkt;
 }
 
-int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type)
+enum {
+	USBHSF_PKT_PREPARE,
+	USBHSF_PKT_TRY_RUN,
+	USBHSF_PKT_DMA_DONE,
+};
+
+static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type)
 {
 	struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
 	struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
@@ -168,6 +174,11 @@ int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type)
 	return ret;
 }
 
+void usbhs_pkt_start(struct usbhs_pipe *pipe)
+{
+	usbhsf_pkt_handler(pipe, USBHSF_PKT_PREPARE);
+}
+
 /*
  *		irq enable/disable function
  */
@@ -884,7 +895,7 @@ static int usbhsf_irq_empty(struct usbhs_priv *priv,
 		if (!(irq_state->bempsts & (1 << i)))
 			continue;
 
-		ret = usbhs_pkt_run(pipe);
+		ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_TRY_RUN);
 		if (ret < 0)
 			dev_err(dev, "irq_empty run_error %d : %d\n", i, ret);
 	}
@@ -914,7 +925,7 @@ static int usbhsf_irq_ready(struct usbhs_priv *priv,
 		if (!(irq_state->brdysts & (1 << i)))
 			continue;
 
-		ret = usbhs_pkt_run(pipe);
+		ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_TRY_RUN);
 		if (ret < 0)
 			dev_err(dev, "irq_ready run_error %d : %d\n", i, ret);
 	}
@@ -929,7 +940,7 @@ static void usbhsf_dma_complete(void *arg)
 	struct device *dev = usbhs_priv_to_dev(priv);
 	int ret;
 
-	ret = usbhs_pkt_dmadone(pipe);
+	ret = usbhsf_pkt_handler(pipe, USBHSF_PKT_DMA_DONE);
 	if (ret < 0)
 		dev_err(dev, "dma_complete run_error %d : %d\n",
 			usbhs_pipe_number(pipe), ret);
diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h
index ed6d8e56c13c0f241f0381945c3420d316f063dc..7a78440e7647ed904f362e6d6090b024777ab49d 100644
--- a/drivers/usb/renesas_usbhs/fifo.h
+++ b/drivers/usb/renesas_usbhs/fifo.h
@@ -76,12 +76,6 @@ void usbhs_fifo_quit(struct usbhs_priv *priv);
 /*
  * packet info
  */
-enum {
-	USBHSF_PKT_PREPARE,
-	USBHSF_PKT_TRY_RUN,
-	USBHSF_PKT_DMA_DONE,
-};
-
 extern struct usbhs_pkt_handle usbhs_fifo_pio_push_handler;
 extern struct usbhs_pkt_handle usbhs_fifo_pio_pop_handler;
 extern struct usbhs_pkt_handle usbhs_ctrl_stage_end_handler;
@@ -95,10 +89,6 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
 		    struct usbhs_pkt_handle *handler,
 		    void *buf, int len, int zero);
 struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt);
-int __usbhs_pkt_handler(struct usbhs_pipe *pipe, int type);
-
-#define usbhs_pkt_start(p)	__usbhs_pkt_handler(p, USBHSF_PKT_PREPARE)
-#define usbhs_pkt_run(p)	__usbhs_pkt_handler(p, USBHSF_PKT_TRY_RUN)
-#define usbhs_pkt_dmadone(p)	__usbhs_pkt_handler(p, USBHSF_PKT_DMA_DONE)
+void usbhs_pkt_start(struct usbhs_pipe *pipe);
 
 #endif /* RENESAS_USB_FIFO_H */