Date: Fri, 30 Apr 2010 13:54:18 +0000 (UTC) From: Nathan Whitehorn <nwhitehorn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r207435 - projects/ppc64/sys/powerpc/cpufreq Message-ID: <201004301354.o3UDsIO0084325@svn.freebsd.org>
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Author: nwhitehorn Date: Fri Apr 30 13:54:18 2010 New Revision: 207435 URL: http://svn.freebsd.org/changeset/base/207435 Log: On SMP G5 systems, sometimes the power-mode-data property is only found on CPU 0. This fixes cpufreq attach on PowerMac 11,2. Modified: projects/ppc64/sys/powerpc/cpufreq/pcr.c Modified: projects/ppc64/sys/powerpc/cpufreq/pcr.c ============================================================================== --- projects/ppc64/sys/powerpc/cpufreq/pcr.c Fri Apr 30 13:43:20 2010 (r207434) +++ projects/ppc64/sys/powerpc/cpufreq/pcr.c Fri Apr 30 13:54:18 2010 (r207435) @@ -207,6 +207,11 @@ 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 behelp
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