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>
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 9ac4e37..0c6155f 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -869,10 +869,10 @@
(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)