RZG3S_PCI_MSIRCVWADRL
lo = readl_relaxed(host->axi + RZG3S_PCI_MSIRCVWADRL) &
host->axi + RZG3S_PCI_MSIRCVWADRL);
writel_relaxed(0, host->axi + RZG3S_PCI_MSIRCVWADRL);