RCAR_USB3_DL_CTRL
if (readl(regs + RCAR_USB3_DL_CTRL) & RCAR_USB3_DL_CTRL_FW_SUCCESS)
temp = readl(regs + RCAR_USB3_DL_CTRL);
writel(temp, regs + RCAR_USB3_DL_CTRL);
temp = readl(regs + RCAR_USB3_DL_CTRL);
writel(temp, regs + RCAR_USB3_DL_CTRL);
retval = readl_poll_timeout_atomic(regs + RCAR_USB3_DL_CTRL,
temp = readl(regs + RCAR_USB3_DL_CTRL);
writel(temp, regs + RCAR_USB3_DL_CTRL);
retval = readl_poll_timeout_atomic((regs + RCAR_USB3_DL_CTRL),