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cpufreq: kryo: allow building as a loadable module 

Building the kryo cpufreq driver while QCOM_SMEM is a loadable module
results in a link error:

drivers/cpufreq/qcom-cpufreq-kryo.o: In function `qcom_cpufreq_kryo_probe':
qcom-cpufreq-kryo.c:(.text+0xbc): undefined reference to `qcom_smem_get'

The problem is that Kconfig ignores interprets the dependency as met
when the dependent symbol is a 'bool' one. By making it 'tristate',
it will be forced to be a module here, which builds successfully.

Fixes: 46e2856b8e (cpufreq: Add Kryo CPU scaling driver)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Arnd Bergmann 2018-06-05 13:44:24 +02:00 committed by Rafael J. Wysocki
parent 3c89adb0d1
commit ac28927659
1 changed files with 1 additions and 1 deletions
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2
drivers/cpufreq/Kconfig.arm
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@ -125,7 +125,7 @@ config ARM_OMAP2PLUS_CPUFREQ
default ARCH_OMAP2PLUS
config ARM_QCOM_CPUFREQ_KRYO
bool "Qualcomm Kryo based CPUFreq"
tristate "Qualcomm Kryo based CPUFreq"
depends on ARM64
depends on QCOM_QFPROM
depends on QCOM_SMEM