ata: sata_mv: kill 'port' argument in mv_dump_all_regs()

Always '-1', so drop it and simplify the function.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

drivers/ata/sata_mv.c

@@ -1280,24 +1280,17 @@ static void mv_dump_pci_cfg(struct pci_dev *pdev, unsigned bytes)
 #endif
 }
 #endif
-static void mv_dump_all_regs(void __iomem *mmio_base, int port,
+static void mv_dump_all_regs(void __iomem *mmio_base,
 			     struct pci_dev *pdev)
 {
 #ifdef ATA_DEBUG
-	void __iomem *hc_base = mv_hc_base(mmio_base,
-					   port >> MV_PORT_HC_SHIFT);
+	void __iomem *hc_base;
 	void __iomem *port_base;
 	int start_port, num_ports, p, start_hc, num_hcs, hc;
 
-	if (0 > port) {
-		start_hc = start_port = 0;
-		num_ports = 8;		/* shld be benign for 4 port devs */
-		num_hcs = 2;
-	} else {
-		start_hc = port >> MV_PORT_HC_SHIFT;
-		start_port = port;
-		num_ports = num_hcs = 1;
-	}
+	start_hc = start_port = 0;
+	num_ports = 8;		/* should be benign for 4 port devs */
+	num_hcs = 2;
 	DPRINTK("All registers for port(s) %u-%u:\n", start_port,
 		num_ports > 1 ? num_ports - 1 : start_port);
 
@@ -2963,7 +2956,7 @@ static int mv_pci_error(struct ata_host *host, void __iomem *mmio)
 	dev_err(host->dev, "PCI ERROR; PCI IRQ cause=0x%08x\n", err_cause);
 
 	DPRINTK("All regs @ PCI error\n");
-	mv_dump_all_regs(mmio, -1, to_pci_dev(host->dev));
+	mv_dump_all_regs(mmio, to_pci_dev(host->dev));
 
 	writelfl(0, mmio + hpriv->irq_cause_offset);