linux-kernel - Re: [PATCH 1/5] cpufreq: Unify sysfs attribute definition macros

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Date:	Tue, 23 Mar 2010 12:07:29 +0100
From:	Thomas Renninger <trenn@...e.de>
To:	Borislav Petkov <bp@...64.org>
Cc:	akpm@...ux-foundation.org, davej@...hat.com,
	cpufreq@...r.kernel.org, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] cpufreq: Unify sysfs attribute definition macros

On Monday 22 March 2010 19:38:37 Borislav Petkov wrote:
> From: Borislav Petkov <borislav.petkov@....com>
> 
> Multiple modules used to define those which are with identical
> functionality and were needlessly replicated among the different cpufreq
> drivers. Push them into the header and remove duplication.
> 
...
> diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
> index 4de02b1..c8d731c 100644
> --- a/include/linux/cpufreq.h
> +++ b/include/linux/cpufreq.h
> @@ -278,6 +278,27 @@ struct freq_attr {
>  	ssize_t (*store)(struct cpufreq_policy *, const char *, size_t count);
>  };
...
>  
> +#define define_one_global_ro(_name)		\
> +static struct global_attr _name =		\
> +__ATTR(_name, 0444, show_##_name, NULL)
> +
> +#define define_one_global_rw(_name)		\
> +static struct global_attr _name =		\
> +__ATTR(_name, 0644, show_##_name, store_##_name)

These sound like too general names in global space.
And are unrelated to cpufreq(.h).
Eventually you get them into sysfs.h with another name
or just duplicate them?

   Thomas
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