diff options
Diffstat (limited to 'target/linux/ixp4xx/patches/998-VT6421.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches/998-VT6421.patch | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches/998-VT6421.patch b/target/linux/ixp4xx/patches/998-VT6421.patch new file mode 100644 index 0000000..805880f --- /dev/null +++ b/target/linux/ixp4xx/patches/998-VT6421.patch @@ -0,0 +1,19 @@ +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]); + } + |