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usb: dwc3: gadget: Set link state to RX_Detect on disconnect

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When DWC3 receives disconnect event, it needs to set the link state to
RX_Detect.

DWC_usb3 3.30a programming guide 4.1.7

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thinh Nguyen 2019-10-23 19:15:49 -07:00 committed by Greg Kroah-Hartman
parent 5b738211fb
commit 1b6009ea88
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/dwc3/gadget.c
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@ -2759,6 +2759,8 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
{
int reg;
dwc3_gadget_set_link_state(dwc, DWC3_LINK_STATE_RX_DET);
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
reg &= ~DWC3_DCTL_INITU1ENA;
reg &= ~DWC3_DCTL_INITU2ENA;