diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-12-03 20:32:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-01-28 15:02:16 -0800 |
| commit | 31cf6d8a86469e96cf4ea0a0a89b87ddef1a65cc (patch) | |
| tree | c882c3e622f27afa3de6451280690db4503c9fa6 /drivers/ata | |
| parent | 3de08a120ab3ac85bfc31e03b5d2dc2758a3bd21 (diff) | |
ata_piix: fix MWDMA handling on PIIX3
commit 6938594374ee506e91a4c03117a034ea0ed66783 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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) |