On 07/11/2017 03:25 AM, Minas Harutyunyan wrote: > Reseted DEVADDR field in DCFG to zero on USB RESET. > > Device address in DCFG register does not reset to zero, > which required to pass enumeration, after disconnect and > reconnect. > > Signed-off-by: Minas Harutyunyan <hminas@xxxxxxxxxxxx> > --- > drivers/usb/dwc2/gadget.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c > index 98a4a79e7f6e..c5c0a26a4d66 100644 > --- a/drivers/usb/dwc2/gadget.c > +++ b/drivers/usb/dwc2/gadget.c > @@ -3561,6 +3561,9 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) > /* Report disconnection if it is not already done. */ > dwc2_hsotg_disconnect(hsotg); > > + /* Reset device address to zero */ > + __bic32(hsotg->regs + DCFG, DCFG_DEVADDR_MASK); > + > if (usb_status & GOTGCTL_BSESVLD && connected) > dwc2_hsotg_core_init_disconnected(hsotg, true); > } > Acked-by: John Youn <johnyoun@xxxxxxxxxxxx> John -- 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
