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path: root/drivers/ide/cmd64x.c
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Diffstat (limited to 'drivers/ide/cmd64x.c')
-rw-r--r--drivers/ide/cmd64x.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index 680e5975217f..ca0c46f6580a 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -379,7 +379,8 @@ static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
.enablebits = {{0x00,0x00,0x00}, {0x51,0x08,0x08}},
.port_ops = &cmd64x_port_ops,
.host_flags = IDE_HFLAG_CLEAR_SIMPLEX |
- IDE_HFLAG_ABUSE_PREFETCH,
+ IDE_HFLAG_ABUSE_PREFETCH |
+ IDE_HFLAG_SERIALIZE,
.pio_mask = ATA_PIO5,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = 0x00, /* no udma */
@@ -389,7 +390,8 @@ static const struct ide_port_info cmd64x_chipsets[] __devinitdata = {
.init_chipset = init_chipset_cmd64x,
.enablebits = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
.port_ops = &cmd648_port_ops,
- .host_flags = IDE_HFLAG_ABUSE_PREFETCH,
+ .host_flags = IDE_HFLAG_ABUSE_PREFETCH |
+ IDE_HFLAG_SERIALIZE,
.pio_mask = ATA_PIO5,
.mwdma_mask = ATA_MWDMA2,
.udma_mask = ATA_UDMA2,