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| author | Borislav Petkov <bp@suse.de> | 2013-01-18 00:19:37 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-27 20:49:02 -0800 |
| commit | ac4f896a4da38ca42d2ca32d4127517df7331205 (patch) | |
| tree | 2a681661fb45cd7024b2c4f79521684484ceded0 | |
| parent | a974118816871c9e5a1e7b837310ee1b84581c6d (diff) | |
| download | lwn-ac4f896a4da38ca42d2ca32d4127517df7331205.tar.gz lwn-ac4f896a4da38ca42d2ca32d4127517df7331205.zip | |
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.x86 | 2 |
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. |