svn commit: r218082 - stable/8/sys/powerpc/powermac
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Sun Jan 30 02:17:48 UTC 2011
Author: nwhitehorn
Date: Sun Jan 30 02:17:47 2011
New Revision: 218082
URL: http://svn.freebsd.org/changeset/base/218082
Log:
MFC r217756:
Disable ATAPI DMA unconditionally on Apple Kauai ATA controllers, like it
is on the MacIO ones. It appears to be unreliable on all DBDMA-based
controllers for unknown reasons, which should be figured out eventually.
Modified:
stable/8/sys/powerpc/powermac/ata_kauai.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/powerpc/powermac/ata_kauai.c
==============================================================================
--- stable/8/sys/powerpc/powermac/ata_kauai.c Sat Jan 29 23:26:28 2011 (r218081)
+++ stable/8/sys/powerpc/powermac/ata_kauai.c Sun Jan 30 02:17:47 2011 (r218082)
@@ -244,8 +244,11 @@ ata_kauai_probe(device_t dev)
ch->r_io[ATA_CONTROL].offset = ATA_KAUAI_ALTOFFSET;
ata_default_registers(dev);
- ch->unit = 0;
- ch->flags |= ATA_USE_16BIT;
+ ch->unit = 0;
+ ch->flags |= ATA_USE_16BIT;
+
+ /* XXX: ATAPI DMA is unreliable. We should find out why. */
+ ch->flags |= ATA_NO_ATAPI_DMA;
ata_generic_hw(dev);
return (ata_probe(dev));
More information about the svn-src-all
mailing list