linux-kernel - Re: [PATCH v2 2/6] PowerCap: Add class driver

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Message-ID: <524F1FE3.50404@linux.intel.com>
Date:	Fri, 04 Oct 2013 13:06:59 -0700
From:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	len.brown@...el.com, rjw@...k.pl, arjan@...ux.intel.com,
	jacob.jun.pan@...ux.intel.com
Subject: Re: [PATCH v2 2/6] PowerCap: Add class driver

On 10/04/2013 09:51 AM, Greg KH wrote:
> On Fri, Oct 04, 2013 at 09:36:52AM -0700, Srinivas Pandruvada wrote:
>> +/* Power zone ro attributes define */
>> +#define powercap_attr_ro(_name)		\
>> +	static DEVICE_ATTR(_name, 0444, show_##_name, NULL)
>> +
>> +/* Power zone rw attributes define */
>> +#define powercap_attr_rw(_name)		\
>> +	static DEVICE_ATTR(_name, 0644, show_##_name, store_##_name)
>> +
>> +/* constraint attributes define rw */
>> +#define powercap_const_attr_rw(_name)		\
>> +	static DEVICE_ATTR(_name, 0644, show_constraint_##_name, \
>> +				store_constraint_##_name)
>> +/* constraint attributes define ro */
>> +#define powercap_const_attr_ro(_name)		\
>> +	static DEVICE_ATTR(_name, 0644, show_constraint_##_name, NULL)
> Minor nit:
>
> Why are you using your own defines, why not just use the
> DEVICE_ATTR_RO() and DEVICE_ATTR_RW() macros?  That way it makes it
> easier to grep for attributes, and ensure they have set the mode bits
> properly.
I will replace in the next patchset.

Thanks,
Srinivas



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