linux-pm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Arvind Yadav <arvind.yadav.cs@gmail.com>,
	rui.zhang@intel.com, edubezval@gmail.com
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] thermal: int340x: constify attribute_group structures.
Date: Mon, 17 Jul 2017 13:41:20 +0300	[thread overview]
Message-ID: <1500288080.29303.38.camel@linux.intel.com> (raw)
In-Reply-To: <3b42983a016cbb0d1fb3b6bab625b78abf843474.1500287619.git.arvind.yadav.cs@gmail.com>

On Mon, 2017-07-17 at 16:04 +0530, Arvind Yadav wrote:
> attribute_groups are not supposed to change at runtime. All functions
> working with attribute_groups provided by <linux/sysfs.h> work
> with const attribute_group. So mark the non-const structs as const.
> 

I hope you did compile test it.

> File size before:
>    text	   data	    bss	    dec	    hex	
> filename
>    1687	    592	      0	   2279	    8e7	
> int3400_thermal.o
> 
> File size After adding 'const':
>    text	   data	    bss	    dec	    hex	
> filename
>    1751	    528	      0	   2279	    8e7	
> int3400_thermal.o
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
>  drivers/thermal/int340x_thermal/int3400_thermal.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c
> b/drivers/thermal/int340x_thermal/int3400_thermal.c
> index a9ec94e..b2ffbed 100644
> --- a/drivers/thermal/int340x_thermal/int3400_thermal.c
> +++ b/drivers/thermal/int340x_thermal/int3400_thermal.c
> @@ -104,7 +104,7 @@ static ssize_t current_uuid_store(struct device
> *dev,
>  	NULL
>  };
>  
> -static struct attribute_group uuid_attribute_group = {
> +static const struct attribute_group uuid_attribute_group = {
>  	.attrs = uuid_attrs,
>  	.name = "uuids"
>  };

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

  parent reply	other threads:[~2017-07-17 10:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-17 10:34 [PATCH 1/2] thermal: int340x: constify attribute_group structures Arvind Yadav
2017-07-17 10:34 ` [PATCH 2/2] thermal: int340x_thermal: Constify " Arvind Yadav
2017-07-17 10:41 ` Andy Shevchenko [this message]
2017-07-17 10:59   ` [PATCH 1/2] thermal: int340x: constify " Arvind Yadav

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1500288080.29303.38.camel@linux.intel.com \
    --to=andriy.shevchenko@linux.intel.com \
    --cc=arvind.yadav.cs@gmail.com \
    --cc=edubezval@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=rui.zhang@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).