From 7b7924cdf8134b347e9e58aee0c595fb7ed45044 Mon Sep 17 00:00:00 2001
From: Troy Kisky <troy.kisky@boundarydevices.com>
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 <troy.kisky@boundarydevices.com>
---
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 1c5760535e3..3f50c0f5f2a 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);
}
--
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