From 7b7924cdf8134b347e9e58aee0c595fb7ed45044 Mon Sep 17 00:00:00 2001 From: Troy Kisky Date: Thu, 10 Oct 2013 15:28:02 -0700 Subject: [PATCH] usb: gadget: mv_udc: optimize ep_enable Only get head if not ep0. Signed-off-by: Troy Kisky --- drivers/usb/gadget/mv_udc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c index 1c5760535e..3f50c0f5f2 100644 --- a/drivers/usb/gadget/mv_udc.c +++ b/drivers/usb/gadget/mv_udc.c @@ -210,10 +210,8 @@ static void mv_ep_free_request(struct usb_ep *ep, struct usb_request *_req) static void ep_enable(int num, int in, int maxpacket) { - struct ept_queue_head *head; struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; unsigned n; - head = mv_get_qh(num, in); n = readl(&udc->epctrl[num]); if (in) @@ -222,6 +220,8 @@ static void ep_enable(int num, int in, int maxpacket) n |= (CTRL_RXE | CTRL_RXR | CTRL_RXT_BULK); if (num != 0) { + struct ept_queue_head *head = mv_get_qh(num, in); + head->config = CONFIG_MAX_PKT(maxpacket) | CONFIG_ZLT; mv_flush_qh(num); } -- 2.25.1