20 lines
906 B
Diff
20 lines
906 B
Diff
|
I think that I've found and fixed the problem. There is a copy/paste bug in
|
||
|
|
vt6421_set_dma_mode() function which causes wrong values to be written to
|
||
|
|
PATA_UDMA_TIMING register.
|
||
|
|
|
||
|
|
|
||
|
|
This patch fixes a copy/paste bug that breaks DMA modes on VT6421 PATA port.
|
||
|
|
|
||
|
|
Signed-off-by: Ondrej Zary <linux@rain...>
|
||
|
|
diff -Nur linux-2.6.21.6/drivers/ata/sata_via.c linux-2.6.21.6-new/drivers/ata/sata_via.c
|
||
|
|
--- linux-2.6.21.6/drivers/ata/sata_via.c 2007-07-07 06:47:55.000000000 +0200
|
||
|
|
+++ linux-2.6.21.6-new/drivers/ata/sata_via.c 2007-09-29 11:05:07.000000000 +0200
|
||
|
|
@@ -380,6 +380,6 @@
|
||
|
|
{
|
||
|
|
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
|
||
|
|
static const u8 udma_bits[] = { 0xEE, 0xE8, 0xE6, 0xE4, 0xE2, 0xE1, 0xE0, 0xE0 };
|
||
|
|
- pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->pio_mode - XFER_UDMA_0]);
|
||
|
|
+ pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->dma_mode - XFER_UDMA_0]);
|
||
|
|
}
|
||
|
|
|