usb: renesas_usbhs: modify packet queue control method
Current renesas_usbhs driver is controlling packet queue on mod_gadget.c.
But it has relationship with pipe/fifo, not host/gadget.
So, controlling USB packet queue in pipe.c/fifo.c is
more convenient than in mod_gadget.c.
This patch modify it.
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/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index 0983884..088bfd7 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -22,17 +22,40 @@
/*
* packet info function
*/
-void usbhs_pkt_update(struct usbhs_pkt *pkt,
- struct usbhs_pipe *pipe,
- void *buf, int len)
+void usbhs_pkt_init(struct usbhs_pkt *pkt)
{
- pkt->pipe = pipe;
+ INIT_LIST_HEAD(&pkt->node);
+}
+
+void usbhs_pkt_update(struct usbhs_pkt *pkt, void *buf, int len)
+{
pkt->buf = buf;
pkt->length = len;
pkt->actual = 0;
pkt->maxp = 0;
}
+void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt)
+{
+ list_del_init(&pkt->node);
+ list_add_tail(&pkt->node, &pipe->list);
+
+ pkt->pipe = pipe;
+}
+
+void usbhs_pkt_pop(struct usbhs_pkt *pkt)
+{
+ list_del_init(&pkt->node);
+}
+
+struct usbhs_pkt *usbhs_pkt_get(struct usbhs_pipe *pipe)
+{
+ if (list_empty(&pipe->list))
+ return NULL;
+
+ return list_entry(pipe->list.next, struct usbhs_pkt, node);
+}
+
/*
* FIFO ctrl
*/