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authorFabian Vogt <fabian@ritter-vogt.de>2023-01-23 10:35:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-24 20:12:18 +0300
commite55f67391fa986f7357edba0ca59e668d99c3a5f (patch)
treec6190e9d028f620e42d445f9f9f8be4e5b0ecc9d /drivers/usb/fotg210/fotg210-udc.c
parent4ba2e7cd986270dbb44eb693199a9d3dd3edf984 (diff)
downloadlinux-e55f67391fa986f7357edba0ca59e668d99c3a5f.tar.xz
fotg210-udc: Add missing completion handler
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@ritter-vogt.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20230123073508.2350402-2-linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/fotg210/fotg210-udc.c')
-rw-r--r--drivers/usb/fotg210/fotg210-udc.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/fotg210/fotg210-udc.c b/drivers/usb/fotg210/fotg210-udc.c
index 4334504fccc8..53b7d078a54d 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)
{
@@ -1253,6 +1267,8 @@ 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);