Commit bd9ef7bf authored by Robert Baldyga's avatar Robert Baldyga Committed by Felipe Balbi
Browse files

usb: gadget: s3c-hsotg: fix clear feature ENDPOINT_HALT



All requests for endpoint are completed when it was halted and the halt was
cleared by CLEAR_FEATURE, but not when new state is same as previous.

Signed-off-by: default avatarRobert Baldyga <r.baldyga@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent a18ed7b0
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+9 −1
Original line number Diff line number Diff line
@@ -1115,6 +1115,7 @@ static int s3c_hsotg_process_req_feature(struct s3c_hsotg *hsotg,
	bool set = (ctrl->bRequest == USB_REQ_SET_FEATURE);
	struct s3c_hsotg_ep *ep;
	int ret;
	bool halted;

	dev_dbg(hsotg->dev, "%s: %s_FEATURE\n",
		__func__, set ? "SET" : "CLEAR");
@@ -1129,6 +1130,8 @@ static int s3c_hsotg_process_req_feature(struct s3c_hsotg *hsotg,

		switch (le16_to_cpu(ctrl->wValue)) {
		case USB_ENDPOINT_HALT:
			halted = ep->halted;

			s3c_hsotg_ep_sethalt(&ep->ep, set);

			ret = s3c_hsotg_send_reply(hsotg, ep0, NULL, 0);
@@ -1138,7 +1141,12 @@ static int s3c_hsotg_process_req_feature(struct s3c_hsotg *hsotg,
				return ret;
			}

			if (!set) {
			/*
			 * we have to complete all requests for ep if it was
			 * halted, and the halt was cleared by CLEAR_FEATURE
			 */

			if (!set && halted) {
				/*
				 * If we have request in progress,
				 * then complete it