cpufreq / e_powersaver: Fix linker error when ACPI processor is a module
authorRafał Bilski <rafalbilski@interia.pl>
Sun, 19 May 2013 19:27:55 +0000 (19:27 +0000)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 22 May 2013 10:41:25 +0000 (12:41 +0200)
on i386:
CONFIG_ACPI_PROCESSOR=m
CONFIG_X86_E_POWERSAVER=y

drivers/built-in.o: In function `eps_cpu_init.part.8':
e_powersaver.c:(.text.unlikely+0x2243): undefined reference to `acpi_processor_register_performance'
e_powersaver.c:(.text.unlikely+0x22a2): undefined reference to `acpi_processor_unregister_performance'
e_powersaver.c:(.text.unlikely+0x246b): undefined reference to `acpi_processor_get_bios_limit'

X86_E_POWERSAVER should also depend on ACPI_PROCESSOR.

Signed-off-by: Rafal Bilski <rafalbilski@interia.pl>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/cpufreq/Kconfig.x86

index 2b8a8c3..6bd63d6 100644 (file)
@@ -272,7 +272,7 @@ config X86_LONGHAUL
 config X86_E_POWERSAVER
        tristate "VIA C7 Enhanced PowerSaver (DANGEROUS)"
        select CPU_FREQ_TABLE
-       depends on X86_32
+       depends on X86_32 && ACPI_PROCESSOR
        help
          This adds the CPUFreq driver for VIA C7 processors.  However, this driver
          does not have any safeguards to prevent operating the CPU out of spec