From: Felipe Balbi <balbi@ti.com>
Date: Mon, 15 Jul 2013 08:31:27 +0000 (+0300)
Subject: usb: dwc3: gadget: don't enable LPM early
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=fb49740d72a305f2e4110b4dfb53fdd9130d8878;p=openwrt%2Fstaging%2Fblogic.git

usb: dwc3: gadget: don't enable LPM early

LPM is enabled in Connection Done interrupt,
there's no need to enable it early.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3850ff0b853e..95ef20c5b53b 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2540,7 +2540,6 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc)
  */
 int dwc3_gadget_init(struct dwc3 *dwc)
 {
-	u32					reg;
 	int					ret;
 
 	dwc->ctrl_req = dma_alloc_coherent(dwc->dev, sizeof(*dwc->ctrl_req),
@@ -2590,10 +2589,6 @@ int dwc3_gadget_init(struct dwc3 *dwc)
 	if (ret)
 		goto err4;
 
-	reg = dwc3_readl(dwc->regs, DWC3_DCFG);
-	reg |= DWC3_DCFG_LPM_CAP;
-	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
-
 	ret = usb_add_gadget_udc(dwc->dev, &dwc->gadget);
 	if (ret) {
 		dev_err(dwc->dev, "failed to register udc\n");