void __iomem *phy_mmio = mv5_phy_base(mmio, idx); u32 tmp;  tmp = readl(phy_mmio + MV5_PHY_MODE);  hpriv->signal[idx].pre = tmp & 0x1800;	 hpriv->signal[idx].amps = tmp & 0xe0;
static void mv5_read_preamp(struct mv_host_priv *hpriv, int idx,			   void __iomem *mmio){	/* FIXME */}