fpga: dfl: fme: Constify static attribute_group structs

The only usage of these is to put their addresses in arrays of pointers
to const attribute_groups. Make them const to allow the compiler to put
them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>

diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c
index 5312662..4299145 100644 (file)
--- a/drivers/fpga/dfl-fme-perf.c
+++ b/drivers/fpga/dfl-fme-perf.c
@@ -192,7 +192,7 @@ static struct attribute *fme_perf_cpumask_attrs[] = {
        NULL,
 };
 
-static struct attribute_group fme_perf_cpumask_group = {
+static const struct attribute_group fme_perf_cpumask_group = {
        .attrs = fme_perf_cpumask_attrs,
 };
 
@@ -225,7 +225,7 @@ static struct attribute *fme_perf_format_attrs[] = {
        NULL,
 };
 
-static struct attribute_group fme_perf_format_group = {
+static const struct attribute_group fme_perf_format_group = {
        .name = "format",
        .attrs = fme_perf_format_attrs,
 };
@@ -239,7 +239,7 @@ static struct attribute *fme_perf_events_attrs_empty[] = {
        NULL,
 };
 
-static struct attribute_group fme_perf_events_group = {
+static const struct attribute_group fme_perf_events_group = {
        .name = "events",
        .attrs = fme_perf_events_attrs_empty,
 };