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ide: allow any command requesting DMA data phase for HDIO_DRIVE_TASKFILE

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Allow any command requesting DMA data phase for HDIO_DRIVE_TASKFILE ioctl
and remove no longer needed task_dma_ok()

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-07-16 20:33:43 +02:00
parent e193c3e141
commit 07fe69d5d0
1 changed files with 1 additions and 21 deletions
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22
drivers/ide/ide-taskfile.c
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@ -62,25 +62,6 @@ int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
return ide_raw_taskfile(drive, &args, buf, 1);
}
static int inline task_dma_ok(ide_task_t *task)
{
if (blk_fs_request(task->rq) || (task->tf_flags & IDE_TFLAG_FLAGGED))
return 1;
switch (task->tf.command) {
case WIN_WRITEDMA_ONCE:
case WIN_WRITEDMA:
case WIN_WRITEDMA_EXT:
case WIN_READDMA_ONCE:
case WIN_READDMA:
case WIN_READDMA_EXT:
case WIN_IDENTIFY_DMA:
return 1;
}
return 0;
}
static ide_startstop_t task_no_data_intr(ide_drive_t *);
static ide_startstop_t set_geometry_intr(ide_drive_t *);
static ide_startstop_t recal_intr(ide_drive_t *);
@ -139,8 +120,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
WAIT_WORSTCASE, NULL);
return ide_started;
default:
if (task_dma_ok(task) == 0 || drive->using_dma == 0 ||
dma_ops->dma_setup(drive))
if (drive->using_dma == 0 || dma_ops->dma_setup(drive))
return ide_stopped;
dma_ops->dma_exec_cmd(drive, tf->command);
dma_ops->dma_start(drive);