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platform/x86: alienware-wmi: 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
   6932	   1016	     48	   7996	   1f3c	drivers/platform/x86/alienware-wmi.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   7060	    888	     48	   7996	   1f64	drivers/platform/x86/alienware-wmi.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 16:18:17 +05:30 committed by Darren Hart (VMware)
parent 8546268e11
commit 4b7942d8d1
1 changed files with 3 additions and 3 deletions
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6
drivers/platform/x86/alienware-wmi.c
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@ -604,7 +604,7 @@ static struct attribute *hdmi_attrs[] = {
NULL,
};
static struct attribute_group hdmi_attribute_group = {
static const struct attribute_group hdmi_attribute_group = {
.name = "hdmi",
.attrs = hdmi_attrs,
};
@ -660,7 +660,7 @@ static struct attribute *amplifier_attrs[] = {
NULL,
};
static struct attribute_group amplifier_attribute_group = {
static const struct attribute_group amplifier_attribute_group = {
.name = "amplifier",
.attrs = amplifier_attrs,
};
@ -741,7 +741,7 @@ static struct attribute *deepsleep_attrs[] = {
NULL,
};
static struct attribute_group deepsleep_attribute_group = {
static const struct attribute_group deepsleep_attribute_group = {
.name = "deepsleep",
.attrs = deepsleep_attrs,
};