linux-kernel - Re: [RFC] drivercore: Add helper macro for platform

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Message-ID: <CACxGe6sqqjo5wtbmQK_Qfixbj_ZRHBkUFQ7qtxDS53t7qu0EbQ@mail.gmail.com>
Date:	Wed, 5 Oct 2011 10:42:15 -0600
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	greg@...ah.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC] drivercore: Add helper macro for platform_driver boilerplate

On Wed, Oct 5, 2011 at 4:02 AM, Mark Brown
<broonie@...nsource.wolfsonmicro.com> wrote:
> On Tue, Oct 04, 2011 at 05:26:55PM -0600, Grant Likely wrote:
>
>> +/* Helper macro for drivers that don't do anything special in module
>> + * init/exit.  This eliminates a lot of boilerplate */
>> +#define module_platform_driver(__platform_driver) \
>> +int __platform_driver##_init(void) \
>> +{ \
>> +     return platform_driver_register(&(__platform_driver)); \
>> +} \
>> +module_init(__platform_driver##_init); \
>
> This looks great but I would prefer it if the function complained if
> something goes wrong - it makes problems a lot more discoverable when
> they crop up.

Yes. As discussed in the other thread, I think that should be added to
the core code, and it can be in a separate patch.  It doesn't belong
in this macro.

g.
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