[libata] minor fixes

* sata_mv: remove pci_intx(), now that the same function is in PCI core
* sata_sis: fix variable initialization bug, trim trailing whitespace

drivers/scsi/sata_mv.c

@@ -699,22 +699,6 @@ static int mv_host_init(struct ata_probe_ent *probe_ent)
 	return rc;
 }
 
-/* move to PCI layer, integrate w/ MSI stuff */
-static void pci_intx(struct pci_dev *pdev, int enable)
-{
-	u16 pci_command, new;
-
-	pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
-
-	if (enable)
-		new = pci_command & ~PCI_COMMAND_INTX_DISABLE;
-	else
-		new = pci_command | PCI_COMMAND_INTX_DISABLE;
-
-	if (new != pci_command)
-		pci_write_config_word(pdev, PCI_COMMAND, pci_command);
-}
-
 static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version = 0;

drivers/scsi/sata_sis.c

@@ -147,11 +147,13 @@ static unsigned int get_scr_cfg_addr(unsigned int port_no, unsigned int sc_reg,
 {
 	unsigned int addr = SIS_SCR_BASE + (4 * sc_reg);
 
-	if (port_no) 
+	if (port_no)  {
 		if (device == 0x182)
 			addr += SIS182_SATA1_OFS;
 		else
 			addr += SIS180_SATA1_OFS;
+	}
+
 	return addr;
 }
 
@@ -195,7 +197,7 @@ static void sis_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val)
 static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg)
 {
 	struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
-	u32 val,val2;
+	u32 val, val2 = 0;
 	u8 pmr;
 
 	if (sc_reg > SCR_CONTROL)
@@ -209,9 +211,9 @@ static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg)
 	val = inl(ap->ioaddr.scr_addr + (sc_reg * 4));
 
 	if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED))
-		val2 = inl(ap->ioaddr.scr_addr + (sc_reg * 4)+0x10);
+		val2 = inl(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10);
 
-	return val|val2;
+	return val | val2;
 }
 
 static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)