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usb: gadget: aspeed: Improve debugging when nuking

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When nuking requests, it's useful to display how many were
actually nuked. It has proven handy when debugging issues
where EP0 went in a wrong state.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Benjamin Herrenschmidt 2019-07-26 15:05:37 +10:00 committed by Felipe Balbi
parent 8016759894
commit cca1754c1d
1 changed files with 4 additions and 2 deletions
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6
drivers/usb/gadget/udc/aspeed-vhub/core.c
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@ -65,14 +65,16 @@ void ast_vhub_done(struct ast_vhub_ep *ep, struct ast_vhub_req *req,
void ast_vhub_nuke(struct ast_vhub_ep *ep, int status)
{
struct ast_vhub_req *req;
EPDBG(ep, "Nuking\n");
int count = 0;
/* Beware, lock will be dropped & req-acquired by done() */
while (!list_empty(&ep->queue)) {
req = list_first_entry(&ep->queue, struct ast_vhub_req, queue);
ast_vhub_done(ep, req, status);
count++;
}
if (count)
EPDBG(ep, "Nuked %d request(s)\n", count);
}
struct usb_request *ast_vhub_alloc_request(struct usb_ep *u_ep,