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[libata] MWDMA0 is unsupported on PIIX-like PATA controllers

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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>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-12-03 17:52:16 -05:00 committed by Jeff Garzik
parent c4d8a20022
commit 82563232c7
3 changed files with 3 additions and 3 deletions
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2
drivers/ata/pata_efar.c
View file

@ -252,7 +252,7 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
static const struct ata_port_info info = { static const struct ata_port_info info = {
.flags = ATA_FLAG_SLAVE_POSS, .flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4, .pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2, .mwdma_mask = ATA_MWDMA12_ONLY,
.udma_mask = ATA_UDMA4, .udma_mask = ATA_UDMA4,
.port_ops = &efar_ops, .port_ops = &efar_ops,
}; };

2
drivers/ata/pata_oldpiix.c
View file

@ -239,7 +239,7 @@ static int oldpiix_init_one (struct pci_dev *pdev, const struct pci_device_id *e
static const struct ata_port_info info = { static const struct ata_port_info info = {
.flags = ATA_FLAG_SLAVE_POSS, .flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4, .pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2, .mwdma_mask = ATA_MWDMA12_ONLY,
.port_ops = &oldpiix_pata_ops, .port_ops = &oldpiix_pata_ops,
}; };
const struct ata_port_info *ppi[] = { &info, NULL }; const struct ata_port_info *ppi[] = { &info, NULL };

2
drivers/ata/pata_rdc.c
View file

@ -284,7 +284,7 @@ static struct ata_port_info rdc_port_info = {
.flags = ATA_FLAG_SLAVE_POSS, .flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = ATA_PIO4, .pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2, .mwdma_mask = ATA_MWDMA12_ONLY,
.udma_mask = ATA_UDMA5, .udma_mask = ATA_UDMA5,
.port_ops = &rdc_pata_ops, .port_ops = &rdc_pata_ops,
}; };