diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-12-03 20:32:08 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2009-12-03 21:44:31 +0100 |
| commit | 6938594374ee506e91a4c03117a034ea0ed66783 (patch) | |
| tree | 619049438fd79e4e9e7025f8b6a3ebcee6e706f9 /drivers/ata | |
| parent | libata: add private driver field to struct ata_device (diff) | |
| download | linux-6938594374ee506e91a4c03117a034ea0ed66783.tar.xz linux-6938594374ee506e91a4c03117a034ea0ed66783.zip | |
ata_piix: fix MWDMA handling on PIIX3
Fix erroneous check for ap->udma_mask in do_pata_set_dmamode()
resulting in controller not being programmed properly for MWDMA.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ata_piix.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 9ac4e378992e..0c6155f51173 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -869,10 +869,10 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in (timings[pio][1] << 8); } - if (ap->udma_mask) { + if (ap->udma_mask) udma_enable &= ~(1 << devid); - pci_write_config_word(dev, master_port, master_data); - } + + pci_write_config_word(dev, master_port, master_data); } /* Don't scribble on 0x48 if the controller does not support UDMA */ if (ap->udma_mask) |