PORT_SCR_ACT
qc_active = readl(port_mmio + PORT_SCR_ACT);
qc_active = readl(port_mmio + PORT_SCR_ACT);
writel(1 << qc->hw_tag, port_mmio + PORT_SCR_ACT);
[SCR_ACTIVE] = PORT_SCR_ACT,
dd->port->mmio + i*0x80 + PORT_SCR_ACT;