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

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Date:	Sun, 16 Mar 2014 05:30:47 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Randy Dunlap <rdunlap@...radead.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Suggestion] Makefile: about allmodconfig issue.

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.


Thanks.
-- 
Chen Gang

Open, share and attitude like air, water and life which God blessed
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