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-rw-r--r--drivers/ide/ide-io.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index d36df77c7519..1ed7a8627cca 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1734,3 +1734,19 @@ int ide_do_drive_cmd (ide_drive_t *drive, struct request *rq, ide_action_t actio
1734} 1734}
1735 1735
1736EXPORT_SYMBOL(ide_do_drive_cmd); 1736EXPORT_SYMBOL(ide_do_drive_cmd);
1737
1738void ide_pktcmd_tf_load(ide_drive_t *drive, u32 tf_flags, u16 bcount, u8 dma)
1739{
1740 ide_task_t task;
1741
1742 memset(&task, 0, sizeof(task));
1743 task.tf_flags = IDE_TFLAG_OUT_LBAH | IDE_TFLAG_OUT_LBAM |
1744 IDE_TFLAG_OUT_FEATURE | tf_flags;
1745 task.tf.feature = dma; /* Use PIO/DMA */
1746 task.tf.lbam = bcount & 0xff;
1747 task.tf.lbah = (bcount >> 8) & 0xff;
1748
1749 ide_tf_load(drive, &task);
1750}
1751
1752EXPORT_SYMBOL_GPL(ide_pktcmd_tf_load);