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hwtracing: coresight: 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
   2573	    288	    296	   3157	    c55	coresight-etm-perf.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   2613	    224	    296	   3133	    c3d	coresight-etm-perf.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arvind Yadav 2017-08-02 10:22:00 -06:00 committed by Greg Kroah-Hartman
parent af36103e48
commit 89f00a1ae5
1 changed files with 1 additions and 1 deletions
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2
drivers/hwtracing/coresight/coresight-etm-perf.c
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@ -60,7 +60,7 @@ static struct attribute *etm_config_formats_attr[] = {
NULL,
};
static struct attribute_group etm_pmu_format_group = {
static const struct attribute_group etm_pmu_format_group = {
.name = "format",
.attrs = etm_config_formats_attr,
};