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-rw-r--r--sys/dev/ata/ata-chipset.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ata/ata-chipset.c b/sys/dev/ata/ata-chipset.c
index 8325a5d829cd..d53827f6eddf 100644
--- a/sys/dev/ata/ata-chipset.c
+++ b/sys/dev/ata/ata-chipset.c
@@ -1540,6 +1540,10 @@ ata_intel_31244_allocate(device_t dev)
ch->flags |= ATA_NO_SLAVE;
ata_generic_hw(dev);
ch->hw.command = ata_intel_31244_command;
+
+ /* enable PHY state change interrupt */
+ ATA_OUTL(ctlr->r_res2, 0x4,
+ ATA_INL(ctlr->r_res2, 0x04) | (0x01 << (ch->unit << 3)));
return 0;
}