ide-tape: remove stale comments from idetape_pc_intr()
Bartlomiej Zolnierkiewicz [Tue, 15 Jul 2008 19:21:54 +0000 (21:21 +0200)]
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-tape.c

index b8cc0d5..41aa8b3 100644 (file)
@@ -758,27 +758,6 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive)
 
        if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) {
                if (hwif->dma_ops->dma_end(drive) || (stat & ERR_STAT)) {
-                       /*
-                        * A DMA error is sometimes expected. For example,
-                        * if the tape is crossing a filemark during a
-                        * READ command, it will issue an irq and position
-                        * itself before the filemark, so that only a partial
-                        * data transfer will occur (which causes the DMA
-                        * error). In that case, we will later ask the tape
-                        * how much bytes of the original request were
-                        * actually transferred (we can't receive that
-                        * information from the DMA engine on most chipsets).
-                        */
-
-                       /*
-                        * On the contrary, a DMA error is never expected;
-                        * it usually indicates a hardware error or abort.
-                        * If the tape crosses a filemark during a READ
-                        * command, it will issue an irq and position itself
-                        * after the filemark (not before). Only a partial
-                        * data transfer will occur, but no DMA error.
-                        * (AS, 19 Apr 2001)
-                        */
                        pc->flags |= PC_FLAG_DMA_ERROR;
                } else {
                        pc->xferred = pc->req_xfer;