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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sun, 16 May 2010 15:21:13 +0000 (UTC)
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Subject: svn commit: r208150 - head/sys/powerpc/cpufreq
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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