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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c9
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