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platform/x86: panasonic-laptop: constify attribute_group structures.

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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
   2505	    600	      4	   3109	    c25	drivers/platform/x86/panasonic-laptop.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   2569	    536	      4	   3109	    c25	drivers/platform/x86/panasonic-laptop.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
This commit is contained in:
Arvind Yadav 2017-07-11 16:18:18 +05:30 committed by Darren Hart (VMware)
parent 4b7942d8d1
commit 24f584055c
1 changed files with 1 additions and 1 deletions
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2
drivers/platform/x86/panasonic-laptop.c
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@ -437,7 +437,7 @@ static struct attribute *pcc_sysfs_entries[] = {
NULL,
};
static struct attribute_group pcc_attr_group = {
static const struct attribute_group pcc_attr_group = {
.name = NULL, /* put in device directory */
.attrs = pcc_sysfs_entries,
};