usb: renesas_usbhs: add usbhsf_fifo

renesas_usbhs has CFIFO/D0FIFO/D1FIFO.
But current renesas_usbhs is using CFIFO (for PIO) only for now.
The fifo selection method is needed for DMAEngine support.
This is a preparation for DMAEngine support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index f3664d6..e510b29 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -323,10 +323,14 @@
 	if (ret < 0)
 		goto probe_end_iounmap;
 
-	ret = usbhs_mod_probe(priv);
+	ret = usbhs_fifo_probe(priv);
 	if (ret < 0)
 		goto probe_end_pipe_exit;
 
+	ret = usbhs_mod_probe(priv);
+	if (ret < 0)
+		goto probe_end_fifo_exit;
+
 	/* dev_set_drvdata should be called after usbhs_mod_init */
 	dev_set_drvdata(&pdev->dev, priv);
 
@@ -374,6 +378,8 @@
 	usbhs_platform_call(priv, hardware_exit, pdev);
 probe_end_mod_exit:
 	usbhs_mod_remove(priv);
+probe_end_fifo_exit:
+	usbhs_fifo_remove(priv);
 probe_end_pipe_exit:
 	usbhs_pipe_remove(priv);
 probe_end_iounmap:
@@ -404,6 +410,7 @@
 
 	usbhs_platform_call(priv, hardware_exit, pdev);
 	usbhs_mod_remove(priv);
+	usbhs_fifo_remove(priv);
 	usbhs_pipe_remove(priv);
 	iounmap(priv->base);
 	kfree(priv);