1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 9352d0c8d055..c457bf4289c5 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -146,7 +146,7 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
                 hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 }
 
-static struct ide_port_info slc90e66_chipset __devinitdata = {
+static const struct ide_port_info slc90e66_chipset __devinitdata = {
         .name           = "SLC90E66",
         .init_hwif      = init_hwif_slc90e66,
         .enablebits     = {{0x41,0x80,0x80}, {0x43,0x80,0x80}},