linux-kernel - Re: [PATCH 1/3] ARM: Marvell: Remove init cpus function

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Date:	Mon, 19 Jan 2015 23:02:56 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Andrew Lunn <andrew@...n.ch>
CC:	arnd@...db.de, olof@...om.net, linux@....linux.org.uk,
	thomas.petazzoni@...e-electrons.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] ARM: Marvell: Remove init cpus function

On 01/19/2015 10:30 PM, Andrew Lunn wrote:
> On Mon, Jan 19, 2015 at 05:52:59PM +0100, Daniel Lezcano wrote:
>> With the next patches, the init cpus function will be changed to be factored
>> out.
>>
>> The function 'armada_xp_smp_init_cpus' does nothing more than a sanity check
>> after the DT has been parsed. Even if this code is valid, it does not give a
>> real benefit as the DT should be correctly filled.
>>
>> Remove this callback.
>
> Hi Daniel
>
> What is your plan for getting these merged? Do you want me to take the
> mvebu patch? Or are you thinking of sending the complete series to the
> arm-soc maintainers?

Hi Andrew,

If possible it would be preferable to have those 3 patches going through 
arm-soc.

>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
>> ---
>>   arch/arm/mach-mvebu/platsmp.c | 11 -----------
>>   1 file changed, 11 deletions(-)
>>
>> diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c
>> index 58cc8c1..3e93422 100644
>> --- a/arch/arm/mach-mvebu/platsmp.c
>> +++ b/arch/arm/mach-mvebu/platsmp.c
>> @@ -30,8 +30,6 @@
>>   #include "pmsu.h"
>>   #include "coherency.h"
>>
>> -#define ARMADA_XP_MAX_CPUS 4
>> -
>>   #define AXP_BOOTROM_BASE 0xfff00000
>>   #define AXP_BOOTROM_SIZE 0x100000
>>
>> @@ -114,14 +112,6 @@ static void armada_xp_secondary_init(unsigned int cpu)
>>   	mvebu_v7_pmsu_idle_exit();
>>   }
>>
>> -static void __init armada_xp_smp_init_cpus(void)
>> -{
>> -	unsigned int ncores = num_possible_cpus();
>> -
>> -	if (ncores == 0 || ncores > ARMADA_XP_MAX_CPUS)
>> -		panic("Invalid number of CPUs in DT\n");
>> -}
>> -
>>   static void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus)
>>   {
>>   	struct device_node *node;
>> @@ -171,7 +161,6 @@ static int armada_xp_cpu_kill(unsigned int cpu)
>>   #endif
>>
>>   struct smp_operations armada_xp_smp_ops __initdata = {
>> -	.smp_init_cpus		= armada_xp_smp_init_cpus,
>>   	.smp_prepare_cpus	= armada_xp_smp_prepare_cpus,
>>   	.smp_boot_secondary	= armada_xp_boot_secondary,
>>   	.smp_secondary_init     = armada_xp_secondary_init,
>> --
>> 1.9.1
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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