ASPEED_H2X_DEV_STS
ret = readl_poll_timeout(pcie->reg + ASPEED_H2X_DEV_STS, isr,
cfg_val = readl(pcie->reg + ASPEED_H2X_DEV_STS);
writel(cfg_val, pcie->reg + ASPEED_H2X_DEV_STS);