diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
| -rw-r--r-- | drivers/ata/libata-core.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index af625147df62..4733f009c7c9 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3933,10 +3933,13 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) /* set up set-features taskfile */ DPRINTK("set features - xfer mode\n"); + /* Some controllers and ATAPI devices show flaky interrupt + * behavior after setting xfer mode. Use polling instead. + */ ata_tf_init(dev, &tf); tf.command = ATA_CMD_SET_FEATURES; tf.feature = SETFEATURES_XFER; - tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; + tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING; tf.protocol = ATA_PROT_NODATA; tf.nsect = dev->xfer_mode; @@ -5414,14 +5417,6 @@ 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); |