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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-12-03 20:32:08 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-01-28 15:02:16 -0800
commit31cf6d8a86469e96cf4ea0a0a89b87ddef1a65cc (patch)
treec882c3e622f27afa3de6451280690db4503c9fa6 /drivers/ata/ata_piix.c
parent3de08a120ab3ac85bfc31e03b5d2dc2758a3bd21 (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/ata_piix.c')
-rw-r--r--drivers/ata/ata_piix.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 9ac4e378992..0c6155f5117 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)