Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Date | Wed, 25 Nov 2009 18:04:15 +0100 | Subject | [PATCH 16/86] pata_efar: MWDMA0 is unsupported |
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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Subject: [PATCH] pata_efar: MWDMA0 is unsupported
MWDMA0 timings cannot be met with the PIIX based controller programming interface.
This change should be safe as this is how we have been doing things in IDE slc90e66 host driver for years.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ata/pata_efar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Index: b/drivers/ata/pata_efar.c =================================================================== --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -252,7 +252,7 @@ static int efar_init_one (struct pci_dev static const struct ata_port_info info = { .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = ATA_PIO4, - .mwdma_mask = ATA_MWDMA2, + .mwdma_mask = ATA_MWDMA12_ONLY, .udma_mask = ATA_UDMA4, .port_ops = &efar_ops, };
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