diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c
index 683885a..f37d4cd 100644
--- a/drivers/ata/pata_cs5535.c
+++ b/drivers/ata/pata_cs5535.c
@@ -223,7 +223,7 @@
 
 static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	static struct ata_port_info info = {
+	static const struct ata_port_info info = {
 		.sht = &cs5535_sht,
 		.flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
 		.pio_mask = 0x1f,
@@ -231,7 +231,7 @@
 		.udma_mask = 0x1f,
 		.port_ops = &cs5535_port_ops
 	};
-	struct ata_port_info *ports[1] = { &info };
+	const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info };
 
 	u32 timings, dummy;
 
@@ -243,7 +243,7 @@
 	rdmsr(ATAC_CH0D1_PIO, timings, dummy);
 	if (CS5535_BAD_PIO(timings))
 		wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0);
-	return ata_pci_init_one(dev, ports, 1);
+	return ata_pci_init_one(dev, ppi);
 }
 
 static const struct pci_device_id cs5535[] = {