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Try better this time at a patch that properly backspeeds on the Acer chips.

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This commit is contained in:
Søren Schmidt 2001-01-07 17:00:09 +00:00
parent dc194d46e4
commit bd442d2547
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=70752
1 changed files with 2 additions and 2 deletions
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4
sys/dev/ata/ata-dma.c
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@ -313,8 +313,8 @@ ata_dmainit(struct ata_softc *scp, int device,
}
/* make sure eventual UDMA mode from the BIOS is disabled */
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 4) & ~0x88880000, 4);
pci_write_config(parent, 0x56, pci_read_config(parent, 0x56, 2) &
~(0x0008 << (devno << 2)), 2);
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,