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Added patch from http://www.opensubscriber.com/message/jgarzik@pobox.com/7495139.html 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9077 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Rod Whitby 2007-09-30 00:10:57 +00:00
parent 8f982a49a6
commit 5071febc67
1 changed files with 19 additions and 0 deletions
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19
target/linux/ixp4xx/patches/998-VT6421.patch Normal file
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@ -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]);
}