From: Sebastian Reichel <sre@kernel.org>
To: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] power: supply: constify attribute_group structures.
Date: Mon, 24 Jul 2017 20:54:33 +0200 [thread overview]
Message-ID: <20170724185433.aj4hvsqqarazgg2s@earth> (raw)
In-Reply-To: <cee17fda23a2dd44e9b0f7bb575282c4dd1e5f8e.1499859597.git.arvind.yadav.cs@gmail.com>
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Hi,
On Wed, Jul 12, 2017 at 05:13:22PM +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.
>
> File size before:
> text data bss dec hex filename
> 2673 400 0 3073 c01 power/supply/pcf50633-charger.o
>
> File size After adding 'const':
> text data bss dec hex filename
> 2737 336 0 3073 bed power/supply/pcf50633-charger.o
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
> ---
Thanks, applied to power-supply's for-next branch.
-- Sebastian
> drivers/power/supply/pcf50633-charger.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/power/supply/pcf50633-charger.c b/drivers/power/supply/pcf50633-charger.c
> index b3c1873..1ad7ccc 100644
> --- a/drivers/power/supply/pcf50633-charger.c
> +++ b/drivers/power/supply/pcf50633-charger.c
> @@ -254,7 +254,7 @@ static ssize_t set_chglim(struct device *dev,
> NULL,
> };
>
> -static struct attribute_group mbc_attr_group = {
> +static const struct attribute_group mbc_attr_group = {
> .name = NULL, /* put in device directory */
> .attrs = pcf50633_mbc_sysfs_entries,
> };
> --
> 1.9.1
>
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prev parent reply other threads:[~2017-07-24 18:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-12 11:43 [PATCH] power: supply: constify attribute_group structures Arvind Yadav
2017-07-24 18:54 ` Sebastian Reichel [this message]
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