usb: dwc3: no need to clear INIT{U1,U2}ENA bits
authorPratyush Anand <pratyush.anand@st.com>
Mon, 2 Jul 2012 04:51:53 +0000 (10:21 +0530)
committerFelipe Balbi <balbi@ti.com>
Mon, 2 Jul 2012 07:03:15 +0000 (10:03 +0300)
as per databook, these bits are cleared by hardware on each USB reset,
so no need to clear it explicitly by software in reset ISR.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/dwc3/gadget.c

index f732f2ccb9b469b253c180d5702c01e6d3a12cad..e7450931125ac1deb2aa1857af8413130ba0a60c 100644 (file)
@@ -2020,7 +2020,6 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
 
        reg = dwc3_readl(dwc->regs, DWC3_DCTL);
        reg &= ~DWC3_DCTL_TSTCTRL_MASK;
-       reg &= ~(DWC3_DCTL_INITU1ENA | DWC3_DCTL_INITU2ENA);
        reg |= (DWC3_DCTL_ACCEPTU1ENA | DWC3_DCTL_ACCEPTU2ENA);
        dwc3_writel(dwc->regs, DWC3_DCTL, reg);
        dwc->test_mode = false;
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