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>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index 7bf675c23a5e..06d7239a044d 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -194,6 +194,11 @@ struct usbhs_priv {
          * pipe control
          */
         struct usbhs_pipe_info pipe_info;
+
+        /*
+         * fifo control
+         */
+        struct usbhs_fifo_info fifo_info;
 };
 
 /*