diff --git a/drivers/usb/musb/mediatek.c b/drivers/usb/musb/mediatek.c index 6196b0e8d77d..eebeadd26946 100644 --- a/drivers/usb/musb/mediatek.c +++ b/drivers/usb/musb/mediatek.c @@ -208,6 +208,12 @@ static irqreturn_t generic_interrupt(int irq, void *__hci) musb->int_rx = musb_clearw(musb->mregs, MUSB_INTRRX); musb->int_tx = musb_clearw(musb->mregs, MUSB_INTRTX); + if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) { + /* ep0 FADDR must be 0 when (re)entering peripheral mode */ + musb_ep_select(musb->mregs, 0); + musb_writeb(musb->mregs, MUSB_FADDR, 0); + } + if (musb->int_usb || musb->int_tx || musb->int_rx) retval = musb_interrupt(musb);