Author: marius
Date: Sat Apr 10 10:44:41 2010
New Revision: 206448
URL: http://svn.freebsd.org/changeset/base/206448
Log:
Do as the comment suggests and determine the bus space based on the last
bus we actually mapped at rather than always based on the last bus we
encountered while moving upward in the tree. Otherwise we might use the
wrong bus space in case the bridge directly underneath the nexus doesn't
require mapping, i.e. was skipped as it's the case for ssm(4) nodes.
Modified:
head/sys/sparc64/sparc64/ofw_machdep.c
Modified: head/sys/sparc64/sparc64/ofw_machdep.c
==============================================================================
--- head/sys/sparc64/sparc64/ofw_machdep.c Sat Apr 10 07:26:51 2010
(r206447)
+++ head/sys/sparc64/sparc64/ofw_machdep.c Sat Apr 10 10:44:41 2010
(r206448)
@@ -186,13 +186,10 @@ OF_decode_addr(phandle_t node, int bank,
name[sizeof(name) - 1] = '\0';
goto skip;
}
- if (lbus != bus) {
- if (OF_getprop(bus, "#size-cells", &szc,
- sizeof(szc)) == -1)
- szc = 1;
- if (szc < 1 || szc > 2)
- return (ENXIO);
- }
+ if (OF_getprop(bus, "#size-cells", &szc, sizeof(szc)) == -1)
+ szc = 1;
+ if (szc < 1 || szc > 2)
+ return (ENXIO);
nbank /= sizeof(banks[0]) * (addrc + paddrc + szc);
bank = 0;
for (i = 0; i < nbank; i++) {
@@ -232,9 +229,9 @@ OF_decode_addr(phandle_t node, int bank,
}
if (i == nbank)
return (ENXIO);
+ lbus = bus;
skip:
addrc = paddrc;
- lbus = bus;
bus = pbus;
}
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