Re: [PATCH v5 5/6] exynos: cpuidle: do not allow cpuidle registration for Exynos5420

From: Chander Kashyap
Date: Fri May 16 2014 - 00:02:56 EST


Hi Tomasz,

On 16 May 2014 02:56, Tomasz Figa <tomasz.figa@xxxxxxxxx> wrote:
> Hi Chander,
>
> On 14.05.2014 10:03, Chander Kashyap wrote:
>> Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver.
>> Hence do not allow exynos cpuidle driver registration for Exynos5420.
>>
>> Signed-off-by: Chander Kashyap <chander.kashyap@xxxxxxxxxx>
>> Signed-off-by: Chander Kashyap <k.chander@xxxxxxxxxxx>
>> Acked-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
>> ---
>> arch/arm/mach-exynos/cpuidle.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c
>> index 3dd385e..807a386 100644
>> --- a/arch/arm/mach-exynos/cpuidle.c
>> +++ b/arch/arm/mach-exynos/cpuidle.c
>> @@ -218,6 +218,9 @@ static int exynos_cpuidle_probe(struct platform_device *pdev)
>> int cpu_id, ret;
>> struct cpuidle_device *device;
>>
>> + if (soc_is_exynos5420())
>> + return -ENODEV;
>> +
>> if (soc_is_exynos5250())
>> exynos5_core_down_clk();
>>
>>
>
> Why not put this in exynos.c in exynos_dt_machine_init(), so
> exynos_cpuidle_init() is called only if not running on Exynos5420?
>

That makes more sense.
I will update this

Thanks
> Best regards,
> Tomasz



--
with warm regards,
Chander Kashyap
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