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path: root/drivers/ide/ide-io.c
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Diffstat (limited to 'drivers/ide/ide-io.c')
-rw-r--r--drivers/ide/ide-io.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 835cf646bb0..557b15700ea 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -819,63 +819,6 @@ plug_device_2:
blk_plug_device(q);
}
-/*
- * un-busy the port etc, and clear any pending DMA status. we want to
- * retry the current request in pio mode instead of risking tossing it
- * all away
- */
-static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct request *rq;
- ide_startstop_t ret = ide_stopped;
-
- /*
- * end current dma transaction
- */
-
- if (error < 0) {
- printk(KERN_WARNING "%s: DMA timeout error\n", drive->name);
- (void)hwif->dma_ops->dma_end(drive);
- ret = ide_error(drive, "dma timeout error",
- hwif->tp_ops->read_status(hwif));
- } else {
- printk(KERN_WARNING "%s: DMA timeout retry\n", drive->name);
- hwif->dma_ops->dma_timeout(drive);
- }
-
- /*
- * disable dma for now, but remember that we did so because of
- * a timeout -- we'll reenable after we finish this next request
- * (or rather the first chunk of it) in pio.
- */
- drive->dev_flags |= IDE_DFLAG_DMA_PIO_RETRY;
- drive->retry_pio++;
- ide_dma_off_quietly(drive);
-
- /*
- * un-busy drive etc and make sure request is sane
- */
-
- rq = hwif->rq;
- if (!rq)
- goto out;
-
- hwif->rq = NULL;
-
- rq->errors = 0;
-
- if (!rq->bio)
- goto out;
-
- rq->sector = rq->bio->bi_sector;
- rq->current_nr_sectors = bio_iovec(rq->bio)->bv_len >> 9;
- rq->hard_cur_sectors = rq->current_nr_sectors;
- rq->buffer = bio_data(rq->bio);
-out:
- return ret;
-}
-
static void ide_plug_device(ide_drive_t *drive)
{
struct request_queue *q = drive->queue;