diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl> | 2004-09-09 21:03:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-09-09 21:03:20 -0700 |
| commit | 5f2d046a5529f4ded332ef3e8870ee696418d048 (patch) | |
| tree | f203747b06d066d8384207aaefd0f349b62f013a /include/linux | |
| parent | cf3968c5b7ac7624af8b475d0c134af01122faf9 (diff) | |
[PATCH] ide: fix LBA48 support for ALi chipsets (rev < 0xC5)
Affected chipsets support LBA48 but not LBA48 DMA.
Just use DMA for area < 137GB and revert to PIO for > 137GB one.
Also disallow transfers > 256 sectors for better performance.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ide.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index f7884a313f49..444af6321d19 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -986,6 +986,7 @@ typedef struct hwif_s { unsigned autodma : 1; /* auto-attempt using DMA at boot */ unsigned udma_four : 1; /* 1=ATA-66 capable, 0=default */ unsigned no_lba48 : 1; /* 1 = cannot do LBA48 */ + unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */ unsigned no_dsc : 1; /* 0 default, 1 dsc_overlap disabled */ unsigned auto_poll : 1; /* supports nop auto-poll */ |