linux-kernel - Re: [PATCH 5/7] thermal/drivers/core: Remove depends on THERMAL in Kconfig

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Message-ID: <9afb2911-512a-9048-9ed8-6aa9dd29a848@linaro.org>
Date:   Wed, 3 Apr 2019 05:32:52 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Amit Kucheria <amit.kucheria@...aro.org>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Linux PM list <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH 5/7] thermal/drivers/core: Remove depends on THERMAL in
 Kconfig

Hi Amit,

On 02/04/2019 20:51, Amit Kucheria wrote:
> On Tue, Apr 2, 2019 at 11:14 PM Daniel Lezcano
> <daniel.lezcano@...aro.org> wrote:
>>
>> The dependency on the THERMAL option to be set is already there implicitly
>> by the "if THERMAL" conditionnal option. The sub Kconfigs do not have to
>> check against the THERMAL option as they are called from a Kconfig block
>> which is enabled by the conditionnal option.
>>
>> Remove the useless "depends on THERMAL" in the Kconfigs.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
>> ---
>>  drivers/thermal/Kconfig       | 2 --
>>  drivers/thermal/intel/Kconfig | 1 -
>>  drivers/thermal/qcom/Kconfig  | 1 -
>>  3 files changed, 4 deletions(-)
>>
>> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
>> index ccf5b9408d7a..d8aa7fac8c56 100644
>> --- a/drivers/thermal/Kconfig
>> +++ b/drivers/thermal/Kconfig
>> @@ -24,7 +24,6 @@ config THERMAL_STATISTICS
>>
>>  config THERMAL_EMERGENCY_POWEROFF_DELAY_MS
>>         int "Emergency poweroff delay in milli-seconds"
>> -       depends on THERMAL
>>         default 0
>>         help
>>           Thermal subsystem will issue a graceful shutdown when
>> @@ -152,7 +151,6 @@ config CPU_THERMAL
>>         bool "generic cpu cooling support"
>>         depends on CPU_FREQ
>>         depends on THERMAL_OF
>> -       depends on THERMAL=y
> 
> This will break the intention of afa1f2ab43d48d0e1. At the moment, we
> need THERMAL=y if we want cpu_cooling.

The patch 1/7 changes the thermal option from tristate to bool, so the
thermal is compiled-in always. The dependency is no longer needed in
this case. Did I miss something?

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