diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/sata_nv.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c index 2a1bd85404e..19deaa42fbf 100644 --- a/drivers/scsi/sata_nv.c +++ b/drivers/scsi/sata_nv.c @@ -69,7 +69,8 @@ enum { NV_INT_PORT_SHIFT = 4, /* each port occupies 4 bits */ NV_INT_ALL = 0x0f, - NV_INT_MASK = NV_INT_DEV, + NV_INT_MASK = NV_INT_DEV | + NV_INT_ADDED | NV_INT_REMOVED, /* INT_CONFIG */ NV_INT_CONFIG = 0x12, @@ -324,6 +325,12 @@ static int nv_host_intr(struct ata_port *ap, u8 irq_stat) struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); int handled; + /* freeze if hotplugged */ + if (unlikely(irq_stat & (NV_INT_ADDED | NV_INT_REMOVED))) { + ata_port_freeze(ap); + return 1; + } + /* bail out if not our interrupt */ if (!(irq_stat & NV_INT_DEV)) return 0; |