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Subject: Re: [PATCH] cpuidle: arm: Enable compile testing for some of drivers
To:     "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Krzysztof Kozlowski <krzk@kernel.org>
Cc:     linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Sudeep Holla <sudeep.holla@arm.com>,
        linux-arm-kernel@lists.infradead.org,
        linux-samsung-soc@vger.kernel.org
References: <20191229180912.17100-1-krzk@kernel.org>
 <20191229180912.17100-2-krzk@kernel.org> <112783298.KOQPr5xTch@kreacher>
From:   Daniel Lezcano <daniel.lezcano@linaro.org>
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Message-ID: <a4fa3f89-e792-aeee-b9ea-9af244ace04a@linaro.org>
Date:   Mon, 13 Jan 2020 12:58:17 +0100
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Sender: linux-kernel-owner@vger.kernel.org
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On 13/01/2020 12:51, Rafael J. Wysocki wrote:
> On Sunday, December 29, 2019 7:09:12 PM CET Krzysztof Kozlowski wrote:
>> Some of cpuidle drivers for ARMv7 can be compile tested on this
>> architecture because they do not depend on mach-specific bits.  Enable
>> compile testing for big.LITTLE, Kirkwood, Zynq, AT91, Exynos and mvebu
>> cpuidle drivers.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
>> ---
>>  drivers/cpuidle/Kconfig.arm | 12 ++++++------
>>  1 file changed, 6 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm
>> index a224d33dda7f..62272ecfa771 100644
>> --- a/drivers/cpuidle/Kconfig.arm
>> +++ b/drivers/cpuidle/Kconfig.arm
>> @@ -25,7 +25,7 @@ config ARM_PSCI_CPUIDLE
>>  
>>  config ARM_BIG_LITTLE_CPUIDLE
>>  	bool "Support for ARM big.LITTLE processors"
>> -	depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS
>> +	depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS || COMPILE_TEST
>>  	depends on MCPM && !ARM64
>>  	select ARM_CPU_SUSPEND
>>  	select CPU_IDLE_MULTIPLE_DRIVERS
>> @@ -51,13 +51,13 @@ config ARM_HIGHBANK_CPUIDLE
>>  
>>  config ARM_KIRKWOOD_CPUIDLE
>>  	bool "CPU Idle Driver for Marvell Kirkwood SoCs"
>> -	depends on MACH_KIRKWOOD && !ARM64
>> +	depends on (MACH_KIRKWOOD || COMPILE_TEST) && !ARM64
>>  	help
>>  	  This adds the CPU Idle driver for Marvell Kirkwood SoCs.
>>  
>>  config ARM_ZYNQ_CPUIDLE
>>  	bool "CPU Idle Driver for Xilinx Zynq processors"
>> -	depends on ARCH_ZYNQ && !ARM64
>> +	depends on (ARCH_ZYNQ || COMPILE_TEST) && !ARM64
>>  	help
>>  	  Select this to enable cpuidle on Xilinx Zynq processors.
>>  
>> @@ -70,19 +70,19 @@ config ARM_U8500_CPUIDLE
>>  config ARM_AT91_CPUIDLE
>>  	bool "Cpu Idle Driver for the AT91 processors"
>>  	default y
>> -	depends on ARCH_AT91 && !ARM64
>> +	depends on (ARCH_AT91 || COMPILE_TEST) && !ARM64
>>  	help
>>  	  Select this to enable cpuidle for AT91 processors.
>>  
>>  config ARM_EXYNOS_CPUIDLE
>>  	bool "Cpu Idle Driver for the Exynos processors"
>> -	depends on ARCH_EXYNOS && !ARM64
>> +	depends on (ARCH_EXYNOS || COMPILE_TEST) && !ARM64
>>  	select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
>>  	help
>>  	  Select this to enable cpuidle for Exynos processors.
>>  
>>  config ARM_MVEBU_V7_CPUIDLE
>>  	bool "CPU Idle Driver for mvebu v7 family processors"
>> -	depends on ARCH_MVEBU && !ARM64
>> +	depends on (ARCH_MVEBU || COMPILE_TEST) && !ARM64
>>  	help
>>  	  Select this to enable cpuidle on Armada 370, 38x and XP processors.
>>
> 
> Daniel, any concerns regarding this one?

Yes, I have a doubt about this patch. I'll double check before commenting.


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