From: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Date: Sat, 16 May 2015 20:33:38 +0000 (+0200)
Subject: usb: gadget: net2280: physically disable endpoint on disable operation
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=971fe65670400f17f9ba05239ff0e796cffee696;p=deliverable%2Flinux.git

usb: gadget: net2280: physically disable endpoint on disable operation

Reset configuration in ep_cfg on disable to physically disable the
endpoint.

Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 779e6fe0005f..5740e0d885bc 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -461,6 +461,13 @@ static void ep_reset_338x(struct net2280_regs __iomem *regs,
 	       BIT(DATA_PACKET_TRANSMITTED_INTERRUPT) |
 	       BIT(DATA_OUT_PING_TOKEN_INTERRUPT) |
 	       BIT(DATA_IN_TOKEN_INTERRUPT), &ep->regs->ep_stat);
+
+	tmp = readl(&ep->cfg->ep_cfg);
+	if (ep->is_in)
+		tmp &= ~USB3380_EP_CFG_MASK_IN;
+	else
+		tmp &= ~USB3380_EP_CFG_MASK_OUT;
+	writel(tmp, &ep->cfg->ep_cfg);
 }
 
 static void nuke(struct net2280_ep *);