ide-tape: set PC_FLAG_DMA_IN_PROGRESS flag in idetape_transfer_pc()
Set PC_FLAG_DMA_IN_PROGRESS flag in idetape_transfer_pc() instead of
idetape_issue_pc() to match the other ATAPI device drivers.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index e8a5852..1ce8b31 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -984,8 +984,10 @@
ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL);
/* Begin DMA, if necessary */
- if (pc->flags & PC_FLAG_DMA_IN_PROGRESS)
+ if (pc->flags & PC_FLAG_DMA_OK) {
+ pc->flags |= PC_FLAG_DMA_IN_PROGRESS;
hwif->dma_ops->dma_start(drive);
+ }
/* Send the actual packet */
hwif->output_data(drive, NULL, pc->c, 12);
@@ -1053,11 +1055,11 @@
if ((pc->flags & PC_FLAG_DMA_OK) && drive->using_dma)
dma_ok = !hwif->dma_ops->dma_setup(drive);
+ if (!dma_ok)
+ pc->flags &= ~PC_FLAG_DMA_OK;
+
ide_pktcmd_tf_load(drive, IDE_TFLAG_OUT_DEVICE, bcount, dma_ok);
- if (dma_ok)
- /* Will begin DMA later */
- pc->flags |= PC_FLAG_DMA_IN_PROGRESS;
if (test_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags)) {
ide_execute_command(drive, WIN_PACKETCMD, &idetape_transfer_pc,
IDETAPE_WAIT_CMD, NULL);