[libata sata_promise] support Promise SATAII TX2/TX4 cards

Originally from Peter Smith, with testing and additional
contributions from Jens Axboe.

drivers/scsi/sata_promise.c

@@ -156,10 +156,16 @@ static struct pci_device_id pdc_ata_pci_tbl[] = {
 	  board_2037x },
 	{ PCI_VENDOR_ID_PROMISE, 0x3376, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_2037x },
+	{ PCI_VENDOR_ID_PROMISE, 0x3d75, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_2037x },
+
 	{ PCI_VENDOR_ID_PROMISE, 0x3318, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_20319 },
 	{ PCI_VENDOR_ID_PROMISE, 0x3319, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_20319 },
+	{ PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_20319 },
+
 	{ }	/* terminate list */
 };
 
@@ -406,9 +412,11 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance, struct pt_regs *r
 		return IRQ_NONE;
 	}
 
-        spin_lock(&host_set->lock);
+	spin_lock(&host_set->lock);
+
+	writel(mask, mmio_base + PDC_INT_SEQMASK);
 
-        for (i = 0; i < host_set->n_ports; i++) {
+	for (i = 0; i < host_set->n_ports; i++) {
 		VPRINTK("port %u\n", i);
 		ap = host_set->ports[i];
 		tmp = mask & (1 << (i + 1));