svn commit: r208150 - head/sys/powerpc/cpufreq
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Sun May 16 15:21:13 UTC 2010
Author: nwhitehorn
Date: Sun May 16 15:21:13 2010
New Revision: 208150
URL: http://svn.freebsd.org/changeset/base/208150
Log:
On SMP G5 systems, sometimes the power-mode-data property is only found
on CPU 0, so look there if it is not otherwise available.
Modified:
head/sys/powerpc/cpufreq/pcr.c
Modified: head/sys/powerpc/cpufreq/pcr.c
==============================================================================
--- head/sys/powerpc/cpufreq/pcr.c Sun May 16 15:18:25 2010 (r208149)
+++ head/sys/powerpc/cpufreq/pcr.c Sun May 16 15:21:13 2010 (r208150)
@@ -202,6 +202,11 @@ pcr_attach(device_t dev)
return (ENXIO);
}
+ if (OF_getproplen(cpu, "power-mode-data") <= 0) {
+ /* Use the first CPU's node */
+ cpu = OF_child(OF_parent(cpu));
+ }
+
/*
* Collect the PCR values for each mode from the device tree.
* These include bus timing information, and so cannot be
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