CSI_REG_HUB_GPREG_PHY_STATUS
ret = readl_poll_timeout(isys_base + CSI_REG_HUB_GPREG_PHY_STATUS(id),
ret = readl_poll_timeout(isys_base + CSI_REG_HUB_GPREG_PHY_STATUS(id),
ret = readl_poll_timeout(isys_base + CSI_REG_HUB_GPREG_PHY_STATUS(id),