enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/usb/gadget/udc/aspeed-vhub/epn.c
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@@ -120,7 +120,7 @@
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 	/* No current DMA ongoing */
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 	req->active = false;
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-	/* Grab lenght out of HW */
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+	/* Grab length out of HW */
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 	len = VHUB_EP_DMA_TX_SIZE(stat);
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 	/* If not using DMA, copy data out if needed */
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@@ -352,8 +352,8 @@
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 	/* Endpoint enabled ? */
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 	if (!ep->epn.enabled || !u_ep->desc || !ep->dev || !ep->d_idx ||
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-	    !ep->dev->enabled || ep->dev->suspended) {
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-		EPDBG(ep,"Enqueing request on wrong or disabled EP\n");
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+	    !ep->dev->enabled) {
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+		EPDBG(ep, "Enqueuing request on wrong or disabled EP\n");
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 		return -ESHUTDOWN;
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 	}
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..
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@@ -596,10 +596,6 @@
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 static int ast_vhub_epn_enable(struct usb_ep* u_ep,
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 			       const struct usb_endpoint_descriptor *desc)
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 {
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-	static const char *ep_type_string[] __maybe_unused = { "ctrl",
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-							       "isoc",
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-							       "bulk",
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-							       "intr" };
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 	struct ast_vhub_ep *ep = to_ast_ep(u_ep);
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 	struct ast_vhub_dev *dev;
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 	struct ast_vhub *vhub;
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@@ -649,7 +645,7 @@
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 	ep->epn.wedged = false;
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 	EPDBG(ep, "Enabling [%s] %s num %d maxpacket=%d\n",
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-	      ep->epn.is_in ? "in" : "out", ep_type_string[type],
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+	      ep->epn.is_in ? "in" : "out", usb_ep_type_string(type),
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 	      usb_endpoint_num(desc), maxpacket);
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 	/* Can we use DMA descriptor mode ? */
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@@ -807,10 +803,10 @@
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 	/* Find a free one (no device) */
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 	spin_lock_irqsave(&vhub->lock, flags);
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-	for (i = 0; i < AST_VHUB_NUM_GEN_EPs; i++)
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+	for (i = 0; i < vhub->max_epns; i++)
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 		if (vhub->epns[i].dev == NULL)
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 			break;
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-	if (i >= AST_VHUB_NUM_GEN_EPs) {
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+	if (i >= vhub->max_epns) {
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 		spin_unlock_irqrestore(&vhub->lock, flags);
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 		return NULL;
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 	}