Re: [PATCH 1/2] cpufreq: scpi: add thermal dependency

From: Viresh Kumar
Date: Wed Mar 14 2018 - 01:10:02 EST


On 13-03-18, 12:45, Arnd Bergmann wrote:
> A built-in scpi cpufreq driver cannot link against a modular
> thermal framework:
>
> drivers/cpufreq/scpi-cpufreq.o: In function `scpi_cpufreq_ready':
> scpi-cpufreq.c:(.text+0x4c): undefined reference to `of_cpufreq_cooling_register'
> drivers/cpufreq/scpi-cpufreq.o: In function `scpi_cpufreq_exit':
> scpi-cpufreq.c:(.text+0x9c): undefined reference to `cpufreq_cooling_unregister'
>
> This adds a Kconfig dependency that makes sure this configuration
> is not possible, while allowing all configurations that can work.
> Note that disabling CPU_THERMAL means we don't care about the
> THERMAL dependency.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/cpufreq/Kconfig.arm | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
> index 9bbb5b39d18a..d9457d1e535c 100644
> --- a/drivers/cpufreq/Kconfig.arm
> +++ b/drivers/cpufreq/Kconfig.arm
> @@ -45,6 +45,7 @@ config ARM_DT_BL_CPUFREQ
> config ARM_SCPI_CPUFREQ
> tristate "SCPI based CPUfreq driver"
> depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
> + depends on !CPU_THERMAL || THERMAL
> help
> This adds the CPUfreq driver support for ARM platforms using SCPI
> protocol for CPU power management.

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

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viresh