linux-kernel - Re: [PATCH] ipmi: add of_device_id in MODULE_DEVICE

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Message-ID: <55DC58B5.1070001@acm.org>
Date:	Tue, 25 Aug 2015 06:59:49 -0500
From:	Corey Minyard <minyard@....org>
To:	yalin wang <yalin.wang2010@...il.com>
CC:	Brijesh Singh <brijeshkumar.singh@....com>,
	openipmi-developer@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipmi: add of_device_id in MODULE_DEVICE_TABLE

On 08/24/2015 09:04 PM, yalin wang wrote:
>> On Aug 25, 2015, at 08:48, Corey Minyard <minyard@....org> wrote:
>>
>> Well, I should have compile tested first.  On x86_64:
>>
>>
>>  CC [M]  drivers/char/ipmi/ipmi_si_intf.o
>> In file included from ../drivers/char/ipmi/ipmi_si_intf.c:42:0:
>> ../drivers/char/ipmi/ipmi_si_intf.c:2804:25: error: ‘ipmi_match’
>> undeclared here (not in a function)
>> MODULE_DEVICE_TABLE(of, ipmi_match);
>>                         ^
>> ../include/linux/module.h:223:21: note: in definition of macro
>> ‘MODULE_DEVICE_TABLE’
>> extern const typeof(name) __mod_##type##__##name##_device_table \
>>                     ^
>> ../include/linux/module.h:223:27: error:
>> ‘__mod_of__ipmi_match_device_table’ aliased to undefined symbol ‘ipmi_match’
>> extern const typeof(name) __mod_##type##__##name##_device_table \
>>                           ^
>> ../drivers/char/ipmi/ipmi_si_intf.c:2804:1: note: in expansion of macro
>> ‘MODULE_DEVICE_TABLE’
>> MODULE_DEVICE_TABLE(of, ipmi_match);
>>
>>
>> This has to compile on all arches.  I'm not sure what is wrong, but I've
>> removed the patch.
>>
>> -corey
> it seems should be :
>
> MODULE_DEVICE_TABLE(of, of_ipmi_match);
I actually already tried that, and it fails to compile on x86_64, too,
with a different error.

-corey
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