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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 20:25:24 (GMT) |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-26 20:25:24 (GMT) |
| commit | 1fd1890594bd355a4217f5658a34763e77decee3 (patch) | |
| tree | ee8bd668648a9d3db01a7c99d73eee7453efe98b /include | |
| parent | 6c61064162e6a9965a062b445c6bd6c8ed019183 (diff) | |
| download | linux-1fd1890594bd355a4217f5658a34763e77decee3.tar.xz | |
ide: add IDE_HFLAG_SERIALIZE_DMA host flag
* Add IDE_HFLAG_SERIALIZE_DMA host flag to serialize ports
if DMA is available and handle it in ide_init_port().
* Convert sl82c105 host driver to use this new flag.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ide.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 2da46af..e5f4174 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1087,6 +1087,8 @@ enum { /* unmask IRQs */ IDE_HFLAG_UNMASK_IRQS = (1 << 25), IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26), + /* serialize ports if DMA is possible (for sl82c105) */ + IDE_HFLAG_SERIALIZE_DMA = (1 << 27), /* force host out of "simplex" mode */ IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28), /* DSC overlap is unsupported */ |