[PATCH] libata: kill unused hard_port_no and legacy_mode

Kill unused probe_ent/ap->hard_port_no and probe_ent->legacy_mode.
Signed-off-by: Tejun Heo <htejun@gmail.com>

drivers/scsi/libata-core.c

@@ -5223,7 +5223,6 @@ void ata_port_init(struct ata_port *ap, struct ata_host_set *host_set,
 	ap->host_set = host_set;
 	ap->dev = ent->dev;
 	ap->port_no = port_no;
-	ap->hard_port_no = port_no;
 	ap->pio_mask = ent->pio_mask;
 	ap->mwdma_mask = ent->mwdma_mask;
 	ap->udma_mask = ent->udma_mask;

include/linux/libata.h

@@ -352,12 +352,10 @@ struct ata_probe_ent {
 	struct scsi_host_template *sht;
 	struct ata_ioports	port[ATA_MAX_PORTS];
 	unsigned int		n_ports;
-	unsigned int		hard_port_no;
 	unsigned int		dummy_port_mask;
 	unsigned int		pio_mask;
 	unsigned int		mwdma_mask;
 	unsigned int		udma_mask;
-	unsigned int		legacy_mode;
 	unsigned long		irq;
 	unsigned long		irq2;
 	unsigned int		irq_flags;
@@ -509,7 +507,6 @@ struct ata_port {
 	unsigned int		pflags; /* ATA_PFLAG_xxx */
 	unsigned int		id;	/* unique id req'd by scsi midlyr */
 	unsigned int		port_no; /* unique port #; from zero */
-	unsigned int		hard_port_no;	/* hardware port #; from zero */
 
 	struct ata_prd		*prd;	 /* our SG list */
 	dma_addr_t		prd_dma; /* and its DMA mapping */