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 <thi...@synopsys.com>
---
drivers/usb/dwc3/gadget.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 37631d2e2a2e..03d58254d1e6 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -113,6 +113,9 @@ 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);
--
2.11.0
