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-rw-r--r--drivers/ide/legacy/dtc2278.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/legacy/dtc2278.c
index 12a7182b4ad3..253a20fc8061 100644
--- a/drivers/ide/legacy/dtc2278.c
+++ b/drivers/ide/legacy/dtc2278.c
@@ -130,6 +130,7 @@ static int __init dtc2278_probe(void)
mate->serialized = 1;
mate->chipset = ide_dtc2278;
+ mate->pio_mask = ATA_PIO4;
mate->drives[0].no_unmask = 1;
mate->drives[1].no_unmask = 1;
mate->mate = hwif;