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0fc3447849
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11204 3c298f89-4303-0410-b956-a3cf2f4a3e73
22 lines
951 B
Diff
22 lines
951 B
Diff
I think that I've found and fixed the problem. There is a copy/paste bug in
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vt6421_set_dma_mode() function which causes wrong values to be written to
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PATA_UDMA_TIMING register.
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This patch fixes a copy/paste bug that breaks DMA modes on VT6421 PATA port.
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Signed-off-by: Ondrej Zary <linux@rain...>
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Index: linux-2.6.21.7/drivers/ata/sata_via.c
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===================================================================
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--- linux-2.6.21.7.orig/drivers/ata/sata_via.c
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+++ linux-2.6.21.7/drivers/ata/sata_via.c
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@@ -380,7 +380,7 @@ static void vt6421_set_dma_mode(struct a
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{
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struct pci_dev *pdev = to_pci_dev(ap->host->dev);
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static const u8 udma_bits[] = { 0xEE, 0xE8, 0xE6, 0xE4, 0xE2, 0xE1, 0xE0, 0xE0 };
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- pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->pio_mode - XFER_UDMA_0]);
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+ pci_write_config_byte(pdev, PATA_UDMA_TIMING, udma_bits[adev->dma_mode - XFER_UDMA_0]);
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}
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static int vt6421_port_start(struct ata_port *ap)
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