USBF_REG_AHBBINT
usbf_reg_writel(epn->udc, USBF_REG_AHBBINT,
usbf_reg_writel(epn->udc, USBF_REG_AHBBINT, USBF_SYS_DMA_ENDINT_EPN(epn->id));
sysbint = usbf_reg_readl(udc, USBF_REG_AHBBINT);
usbf_reg_writel(udc, USBF_REG_AHBBINT, sysbint);