Link State Change events are only needed for debugging and to apply certain workarounds on known errata. Let's save a few cycles by disabling these events completely on working revisions of the core. Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx> --- drivers/usb/dwc3/gadget.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 318464b9eee1..6764c042f497 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1530,11 +1530,13 @@ static void dwc3_gadget_enable_irq(struct dwc3 *dwc) DWC3_DEVTEN_CMDCMPLTEN | DWC3_DEVTEN_ERRTICERREN | DWC3_DEVTEN_WKUPEVTEN | - DWC3_DEVTEN_ULSTCNGEN | DWC3_DEVTEN_CONNECTDONEEN | DWC3_DEVTEN_USBRSTEN | DWC3_DEVTEN_DISCONNEVTEN); + if (dwc->revision < DWC3_REVISION_250A) + reg |= DWC3_DEVTEN_ULSTCNGEN; + dwc3_writel(dwc->regs, DWC3_DEVTEN, reg); } -- 2.10.0.440.g21f862b -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
