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usb: ci_udc: cosmetics: EP and requests debug info

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Make a note in an unexpected situation, e.g. queuing a request
on a disabled endpoint, enabling an enabled endpoint...

Reviewed-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Signed-off-by: Petr Beneš <petr.benes@ysoft.com>
Link: https://lore.kernel.org/r/20251218142737.3169753-2-petr.benes@ysoft.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
This commit is contained in:
Petr Beneš
2026-01-09 09:24:39 +01:00
committed by Mattijs Korpershoek
parent 6a92e98276
commit 8ea70d8132
1 changed files with 8 additions and 2 deletions
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drivers/usb/gadget/ci_udc.c
+8 -2
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@@ -273,8 +273,10 @@ ci_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags)
if (ci_ep->desc)
num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
if (num == 0 && controller.ep0_req)
if (num == 0 && controller.ep0_req) {
DBG("%s: already got controller.ep0_req = %p\n", __func__, controller.ep0_req);
return &controller.ep0_req->req;
}
ci_req = calloc(1, sizeof(*ci_req));
if (!ci_req)
@@ -296,6 +298,8 @@ static void ci_ep_free_request(struct usb_ep *ep, struct usb_request *req)
if (ci_ep->desc)
num = ci_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
else
DBG("%s: no endpoint %p descriptor\n", __func__, ci_ep);
if (num == 0) {
if (!controller.ep0_req)
@@ -624,8 +628,10 @@ static int ci_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
break;
}
if (&ci_req->req != _req)
if (&ci_req->req != _req) {
DBG("%s: ci_req not found in the queue\n", __func__);
return -EINVAL;
}
list_del_init(&ci_req->queue);