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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-12-03 23:52:16 +0100 |
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committer | Jeff Garzik <jgarzik@redhat.com> | 2009-12-03 23:52:16 +0100 |
commit | 82563232c79c6f0099a02f7d2652ee7aee3fe9ba (patch) | |
tree | 8b540ad44a2805e60255ca3d7239d456749a0ed1 /drivers/ata/pata_rdc.c | |
parent | pata_via: clear UDMA transfer mode bit for PIO and MWDMA (diff) | |
download | linux-82563232c79c6f0099a02f7d2652ee7aee3fe9ba.tar.xz linux-82563232c79c6f0099a02f7d2652ee7aee3fe9ba.zip |
[libata] MWDMA0 is unsupported on PIIX-like PATA controllers
MWDMA0 timings cannot be met with the PIIX based controller
programming interface.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_rdc.c')
-rw-r--r-- | drivers/ata/pata_rdc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c index c843a1e07c4f..237a24d41a2d 100644 --- a/drivers/ata/pata_rdc.c +++ b/drivers/ata/pata_rdc.c @@ -284,7 +284,7 @@ static struct ata_port_info rdc_port_info = { .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = ATA_PIO4, - .mwdma_mask = ATA_MWDMA2, + .mwdma_mask = ATA_MWDMA12_ONLY, .udma_mask = ATA_UDMA5, .port_ops = &rdc_pata_ops, }; |