diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/sata_sil.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 14872556334b..aaff357db5f5 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -386,9 +386,15 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2) goto freeze; } - if (unlikely(!qc || qc->tf.ctl & ATA_NIEN)) + if (unlikely(!qc)) goto freeze; + if (unlikely(qc->tf.flags & ATA_TFLAG_POLLING)) { + /* this sometimes happens, just clear IRQ */ + ata_chk_status(ap); + return; + } + /* Check whether we are expecting interrupt in this state */ switch (ap->hsm_task_state) { case HSM_ST_FIRST: |