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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-24 23:22:46 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-24 23:22:46 +0100 |
| commit | 0d6a9754c06e173552b0ad5fad45f69786b6de99 (patch) | |
| tree | 1dc9915dd8a22761aff2c91acb8686e680e79e30 /drivers/ide/ide-atapi.c | |
| parent | 7eeaaaa52285d5e6cb79f515e99c591dcb9d04fe (diff) | |
| download | lwn-0d6a9754c06e173552b0ad5fad45f69786b6de99.tar.gz lwn-0d6a9754c06e173552b0ad5fad45f69786b6de99.zip | |
ide: move ide_read_bcount_and_ireason() to ide-atapi.c
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-atapi.c')
| -rw-r--r-- | drivers/ide/ide-atapi.c | 15 |
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) |