usb: gadget: renesas_usbhs: struct usbhs_pipe hold handler

packet handler had moved to struct usbhs_pipe from struct usbhsg_uep.
it is preparation of mod_host support

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 7eacacda858..328238c373f 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -54,7 +54,6 @@ static struct usbhs_pkt_handle usbhsf_null_handler = {
 };
 
 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_priv *priv = usbhs_pipe_to_priv(pipe);
@@ -64,17 +63,22 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt,
         /********************  spin lock ********************/
         usbhs_lock(priv, flags);
 
-        if (!handler) {
+        if (!pipe->handler) {
                 dev_err(dev, "no handler function\n");
-                handler = &usbhsf_null_handler;
+                pipe->handler = &usbhsf_null_handler;
         }
 
         list_del_init(&pkt->node);
         list_add_tail(&pkt->node, &pipe->list);
 
+        /*
+         * each pkt must hold own handler.
+         * because handler might be changed by its situation.
+         * dma handler -> pio handler.
+         */
         pkt->pipe       = pipe;
         pkt->buf        = buf;
-        pkt->handler    = handler;
+        pkt->handler    = pipe->handler;
         pkt->length     = len;
         pkt->zero       = zero;
         pkt->actual     = 0;