diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3fd7c793270..b35fdcb104e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4821,6 +4821,14 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) } } + /* Some controllers show flaky interrupt behavior after + * setting xfer mode. Use polling instead. + */ + if (unlikely(qc->tf.command == ATA_CMD_SET_FEATURES && + qc->tf.feature == SETFEATURES_XFER) && + (ap->flags & ATA_FLAG_SETXFER_POLLING)) + qc->tf.flags |= ATA_TFLAG_POLLING; + /* select the device */ ata_dev_select(ap, qc->dev->devno, 1, 0); |