From: Benjamin Herrenschmidt Date: Fri, 26 Jul 2019 05:05:37 +0000 (+1000) Subject: usb: gadget: aspeed: Improve debugging when nuking X-Git-Tag: v5.4-rc1~136^2~44^2~23 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cca1754c1d004370b86f41ad346130589fd41152;p=thirdparty%2Fkernel%2Fstable.git usb: gadget: aspeed: Improve debugging when nuking 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 Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c b/drivers/usb/gadget/udc/aspeed-vhub/core.c index db3628be38c07..9e698de4b1e80 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/core.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/core.c @@ -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,