From 8db7ed15f2557e26371e4b2d98fee290d992b715 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Wed, 18 Jan 2012 18:32:29 +0200 Subject: usb: dwc3: gadget: start core on Rx.Detect When we set Run/Stop bit, we also move the core to Rx.Detect state so that USB3 handshake can start from a known location. Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers/usb/dwc3/gadget.c') diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 7913d1b50e3..2c4482f13a1 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1313,10 +1313,13 @@ static void dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on) u32 timeout = 500; reg = dwc3_readl(dwc->regs, DWC3_DCTL); - if (is_on) - reg |= DWC3_DCTL_RUN_STOP; - else + if (is_on) { + reg &= ~DWC3_DCTL_TRGTULST_MASK; + reg |= (DWC3_DCTL_RUN_STOP + | DWC3_DCTL_TRGTULST_RX_DET); + } else { reg &= ~DWC3_DCTL_RUN_STOP; + } dwc3_writel(dwc->regs, DWC3_DCTL, reg); -- cgit v1.2.3