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authorRod Whitby <rod@whitby.id.au>2007-09-30 00:10:57 +0000
committerRod Whitby <rod@whitby.id.au>2007-09-30 00:10:57 +0000
commit06ea467e59567e45bd9d75dbd3a578062560c5b5 (patch)
tree913b0d71d8e7f00afeba447bf4af01a21ad127da /target/linux/ixp4xx/patches
parentd28611169d14af70673c099834a9d995d88e4473 (diff)
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Added patch from http://www.opensubscriber.com/message/jgarzik@pobox.com/7495139.html
SVN-Revision: 9077
Diffstat (limited to 'target/linux/ixp4xx/patches')
-rw-r--r--target/linux/ixp4xx/patches/998-VT6421.patch19
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 0000000000..805880f363
--- /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]);
+ }
+