ide: move ide_read_bcount_and_ireason() to ide-atapi.c

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 3044c51c06a5..6adc5b4a4406 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -300,6 +300,21 @@ int ide_cd_get_xferlen(struct request *rq)
 }
 EXPORT_SYMBOL_GPL(ide_cd_get_xferlen);
 
+void ide_read_bcount_and_ireason(ide_drive_t *drive, u16 *bcount, u8 *ireason)
+{
+	ide_task_t task;
+
+	memset(&task, 0, sizeof(task));
+	task.tf_flags = IDE_TFLAG_IN_LBAH | IDE_TFLAG_IN_LBAM |
+			IDE_TFLAG_IN_NSECT;
+
+	drive->hwif->tp_ops->tf_read(drive, &task);
+
+	*bcount = (task.tf.lbah << 8) | task.tf.lbam;
+	*ireason = task.tf.nsect & 3;
+}
+EXPORT_SYMBOL_GPL(ide_read_bcount_and_ireason);
+
 /*
  * This is the usual interrupt handler which will be called during a packet
  * command.  We will transfer some of the data (as requested by the drive)