| Message ID | 11954a39aa8a2ee06c561ffad60932f50366af59.1571882179.git.thinhn@synopsys.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | usb: gadget: Link state changes | expand |
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 5856c8c96418..7f97856e6b20 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -111,6 +111,9 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) reg = dwc3_readl(dwc->regs, DWC3_DCTL); reg &= ~DWC3_DCTL_ULSTCHNGREQ_MASK; + /* set no action before sending new link state change */ + dwc3_writel(dwc->regs, DWC3_DCTL, reg); + /* set requested state */ reg |= DWC3_DCTL_ULSTCHNGREQ(state); dwc3_writel(dwc->regs, DWC3_DCTL, reg);
Send a no-action link state change request before the actual request so DWC3 can send the same request whenever we call dwc3_gadget_set_link_state(). Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> --- drivers/usb/dwc3/gadget.c | 3 +++ 1 file changed, 3 insertions(+)