[libata] constify PCI ID table in several drivers
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index a1bd8d9..855428f 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -95,7 +95,7 @@
static unsigned int in_module_init = 1;
-static struct pci_device_id piix_pci_tbl[] = {
+static const struct pci_device_id piix_pci_tbl[] = {
#ifdef ATA_ENABLE_PATA
{ 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix4_pata },
{ 0x8086, 0x24db, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_pata },