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authorBorislav Petkov <bp@suse.de>2013-01-18 00:19:37 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-27 20:49:02 -0800
commitac4f896a4da38ca42d2ca32d4127517df7331205 (patch)
tree2a681661fb45cd7024b2c4f79521684484ceded0
parenta974118816871c9e5a1e7b837310ee1b84581c6d (diff)
powernow-k8: Add a kconfig dependency on acpi-cpufreq
commit 631e8ac18fd59722e7ceb15fceeef3f368c250f9 upstream. Andreas reports in https://bugzilla.kernel.org/show_bug.cgi?id=51741 that with his Gentoo config, acpi-cpufreq wasn't enabled and powernow-k8 couldn't handoff properly to acpi-cpufreq leading to running without P-state support (i.e., cores are constantly in P0). To alleaviate that, we need to make powernow-k8 depend on acpi-cpufreq so that acpi-cpufreq is always present. References: https://bugzilla.kernel.org/show_bug.cgi?id=51741 Reported-by: Andreas <linuxuser330250@gmx.net> Signed-off-by: Borislav Petkov <bp@suse.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/cpufreq/Kconfig.x862
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
index 934854ae5eb4..7227cd734042 100644
--- a/drivers/cpufreq/Kconfig.x86
+++ b/drivers/cpufreq/Kconfig.x86
@@ -106,7 +106,7 @@ config X86_POWERNOW_K7_ACPI
config X86_POWERNOW_K8
tristate "AMD Opteron/Athlon64 PowerNow!"
select CPU_FREQ_TABLE
- depends on ACPI && ACPI_PROCESSOR
+ depends on ACPI && ACPI_PROCESSOR && X86_ACPI_CPUFREQ
help
This adds the CPUFreq driver for K8/early Opteron/Athlon64 processors.
Support for K10 and newer processors is now in acpi-cpufreq.