1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index cd4eb9def151..effd79a715b0 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -443,7 +443,9 @@ static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
                 .init_chipset   = init_chipset_cmd64x,
                 .init_hwif      = init_hwif_cmd64x,
                 .enablebits     = {{0x00,0x00,0x00}, {0x51,0x08,0x08}},
-                .host_flags     = IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_BOOTABLE,
+                .host_flags     = IDE_HFLAG_CLEAR_SIMPLEX |
+                                  IDE_HFLAG_ABUSE_PREFETCH |
+                                  IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = 0x00, /* no udma */