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| author | sos <sos@FreeBSD.org> | 2001-01-07 17:00:09 +0000 |
|---|---|---|
| committer | sos <sos@FreeBSD.org> | 2001-01-07 17:00:09 +0000 |
| commit | 6efbd08cc63fcb333342cd2717b75888a4bc636b (patch) | |
| tree | 06c33e4e162f98327a2eec03336d99fc00018db5 /sys/dev/ata/ata-dma.c | |
| parent | d30bf90c254868b4810b5f2c10103bda9e421f3d (diff) | |
| download | FreeBSD-src-6efbd08cc63fcb333342cd2717b75888a4bc636b.zip FreeBSD-src-6efbd08cc63fcb333342cd2717b75888a4bc636b.tar.gz | |
Try better this time at a patch that properly backspeeds on the Acer chips.
Diffstat (limited to 'sys/dev/ata/ata-dma.c')
| -rw-r--r-- | sys/dev/ata/ata-dma.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/ata/ata-dma.c b/sys/dev/ata/ata-dma.c index 01860a8..cde0c6e 100644 --- a/sys/dev/ata/ata-dma.c +++ b/sys/dev/ata/ata-dma.c @@ -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, |
