RZG3S_PCI_MSIRS
status = readl_relaxed(host->axi + RZG3S_PCI_MSIRS(reg_id));
host->axi + RZG3S_PCI_MSIRS(reg_id));
writel_relaxed(BIT(reg_bit), host->axi + RZG3S_PCI_MSIRS(reg_id));