Commit dd4a43c9 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz Committed by Jeff Garzik

pata_radisys: fix UDMA handling

Set correct bits to switch between UDMA2 and UDMA4.
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent a809c687
...@@ -139,9 +139,9 @@ static void radisys_set_dmamode (struct ata_port *ap, struct ata_device *adev) ...@@ -139,9 +139,9 @@ static void radisys_set_dmamode (struct ata_port *ap, struct ata_device *adev)
pci_read_config_byte(dev, 0x4A, &udma_mode); pci_read_config_byte(dev, 0x4A, &udma_mode);
if (adev->xfer_mode == XFER_UDMA_2) if (adev->xfer_mode == XFER_UDMA_2)
udma_mode &= ~ (1 << adev->devno); udma_mode &= ~(2 << (adev->devno * 4));
else /* UDMA 4 */ else /* UDMA 4 */
udma_mode |= (1 << adev->devno); udma_mode |= (2 << (adev->devno * 4));
pci_write_config_byte(dev, 0x4A, udma_mode); pci_write_config_byte(dev, 0x4A, udma_mode);
......
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