linux-kernel - Re: [Suggestion] Makefile: about allmodconfig issue.

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Date:	Sat, 15 Mar 2014 14:36:42 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Chen Gang <gang.chen.5i5j@...il.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Suggestion] Makefile: about allmodconfig issue.

On 03/15/2014 02:30 PM, Chen Gang wrote:
> On 03/11/2014 09:08 AM, Chen Gang wrote:
>> On 03/10/2014 12:24 AM, Randy Dunlap wrote:
>>> On 03/09/2014 08:02 AM, Chen Gang wrote:
> [...]
>>>> Else ('depends on' priority is higher than 'select')
>>>>
>>>>  - some architectures can choose whether support IRQ_DOMAIN.
>>>>
>>>>  - if IRQ_DOMAIN enabled, our gpio driver can be used, and then select
>>>>    GENERIC_IRQ_CHIP (need not consider about it selects IRQ_DOMAIN).
>>>>
>>>>  - else (IRQ_DOMAIN_disabled), we can not use our gpio driver, and also
>>>>    can not select GENERIC_IRQ_CHIP (need not consider about it selects
>>>>    IRQ_DOMAIN, either).
>>>>
>>>> Excuse me, I am not quite familiar with Kconfig grammar, can any members
>>>> give a confirmation for it (whether 'select' priority is higher or equal
>>>> than 'depends on').
>>>
>>> Sorry, I don't really understand the problem that you are trying to solve.
>>> Maybe you could back up and explain the underlying problem... ?
>>>
>>
>> If the fix patch applied (don't depend on IRQ_DOMAIN), I guess, if one
>> architecture don't support IRQ_DOMAIN, GPIO_DWAPB may still be enabled
>> and then let IRQ_DOMAIN enable too.
>>
> 
> Is it possible to still go further? For me, I still think, this is not
> gpio driver's issue, the kbuild need be improved to support this using case.
> 
> So, if it is necessary, I will/should try to go further about it.


If you can demonstrate a problem, then please submit a patch for it,
but don't just hypothesize a problem, actually show that there is one.


-- 
~Randy
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