From: Fabian Vogt <fabian@xxxxxxxxxxxxxx>
This is used when responding to GET_STATUS requests. Without this, it
crashes on completion.
Fixes: b84a8dee23fd ("usb: gadget: add Faraday fotg210_udc driver")
Signed-off-by: Fabian Vogt <fabian@xxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/usb/fotg210/fotg210-udc.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/usb/fotg210/fotg210-udc.c b/drivers/usb/fotg210/fotg210-udc.c
index 754429553f61..029b31c3107b 100644
--- a/drivers/usb/fotg210/fotg210-udc.c
+++ b/drivers/usb/fotg210/fotg210-udc.c
@@ -709,6 +709,20 @@ static int fotg210_is_epnstall(struct fotg210_ep *ep)
return value & INOUTEPMPSR_STL_EP ? 1 : 0;
}
+/* For EP0 requests triggered by this driver (currently GET_STATUS response) */
+static void fotg210_ep0_complete(struct usb_ep *_ep, struct usb_request *req)
+{
+ struct fotg210_ep *ep;
+ struct fotg210_udc *fotg210;
+
+ ep = container_of(_ep, struct fotg210_ep, ep);
+ fotg210 = ep->fotg210;
+
+ if (req->status || req->actual != req->length) {
+ dev_warn(&fotg210->gadget.dev, "EP0 request failed: %d\n", req->status);
+ }
+}
+
static void fotg210_get_status(struct fotg210_udc *fotg210,
struct usb_ctrlrequest *ctrl)
{
@@ -1251,6 +1265,8 @@ int fotg210_udc_probe(struct platform_device *pdev, struct fotg210 *fotg)
if (fotg210->ep0_req == NULL)
goto err_map;
+ fotg210->ep0_req->complete = fotg210_ep0_complete;
+
fotg210_init(fotg210);
fotg210_disable_unplug(fotg210);
--
2.39.0
