diff options
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r-- | drivers/ata/libata-core.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 9b7f3c477730..3dd0e942df36 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c | |||
@@ -4373,7 +4373,14 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev) | |||
4373 | tf.feature = SETFEATURES_XFER; | 4373 | tf.feature = SETFEATURES_XFER; |
4374 | tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING; | 4374 | tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING; |
4375 | tf.protocol = ATA_PROT_NODATA; | 4375 | tf.protocol = ATA_PROT_NODATA; |
4376 | tf.nsect = dev->xfer_mode; | 4376 | /* If we are using IORDY we must send the mode setting command */ |
4377 | if (ata_pio_need_iordy(dev)) | ||
4378 | tf.nsect = dev->xfer_mode; | ||
4379 | /* If the device has IORDY and the controller does not - turn it off */ | ||
4380 | else if (ata_id_has_iordy(dev->id)) | ||
4381 | tf.nsect = 0x01; | ||
4382 | else /* In the ancient relic department - skip all of this */ | ||
4383 | return 0; | ||
4377 | 4384 | ||
4378 | err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); | 4385 | err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); |
4379 | 4386 | ||