PARF_Q2A_FLUSH
val = readl_relaxed(pcie_ep->parf + PARF_Q2A_FLUSH);
writel_relaxed(val, pcie_ep->parf + PARF_Q2A_FLUSH);
writel(0, pcie->parf + PARF_Q2A_FLUSH);
writel(0, pcie->parf + PARF_Q2A_FLUSH);