void *port = (void *)ap->ioaddr.cmd_addr; struct sil24_prb *prb = port;
void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr; struct sil24_prb __iomem *prb = port; u8 fis[6 * 4];
static inline void sil24_update_tf(struct ata_port *ap){	struct sil24_port_priv *pp = ap->private_data;	void *port = (void *)ap->ioaddr.cmd_addr;	struct sil24_prb *prb = port;	ata_tf_from_fis(prb->fis, &pp->tf);}