Re: [PATCH 2/2] cpufreq: scmi: add thermal dependency

From: Viresh Kumar
Date: Wed Mar 14 2018 - 01:10:13 EST


On 13-03-18, 12:45, Arnd Bergmann wrote:
> A built-in scmi cpufreq driver cannot link against a modular
> thermal framework:
>
> drivers/cpufreq/scmi-cpufreq.o: In function `scmi_cpufreq_ready':
> scmi-cpufreq.c:(.text+0x40): undefined reference to `of_cpufreq_cooling_register'
> drivers/cpufreq/scmi-cpufreq.o: In function `scmi_cpufreq_exit':
> scmi-cpufreq.c:(.text+0x88): 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 d9457d1e535c..7f56fe5183f2 100644
> --- a/drivers/cpufreq/Kconfig.arm
> +++ b/drivers/cpufreq/Kconfig.arm
> @@ -242,6 +242,7 @@ config ARM_SA1110_CPUFREQ
> config ARM_SCMI_CPUFREQ
> tristate "SCMI based CPUfreq driver"
> depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
> + depends on !CPU_THERMAL || THERMAL
> select PM_OPP
> help
> This adds the CPUfreq driver support for ARM platforms using SCMI

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

--
viresh