linux-kernel - [PATCH] bus: arm-cci: constify attribute

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Date:   Mon,  3 Jul 2017 13:16:55 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     nico@...aro.org, mark.rutland@....com, mingo@...nel.org,
        lorenzo.pieralisi@....com, suzuki.poulose@....com
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] bus: arm-cci: constify attribute_group structures.

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.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/bus/arm-cci.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index c49da15..64c75d2 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -1445,16 +1445,16 @@ static ssize_t pmu_cpumask_attr_show(struct device *dev,
 	NULL,
 };
 
-static struct attribute_group pmu_attr_group = {
+static const struct attribute_group pmu_attr_group = {
 	.attrs = pmu_attrs,
 };
 
-static struct attribute_group pmu_format_attr_group = {
+static const struct attribute_group pmu_format_attr_group = {
 	.name = "format",
 	.attrs = NULL,		/* Filled in cci_pmu_init_attrs */
 };
 
-static struct attribute_group pmu_event_attr_group = {
+static const struct attribute_group pmu_event_attr_group = {
 	.name = "events",
 	.attrs = NULL,		/* Filled in cci_pmu_init_attrs */
 };
-- 
1.9.1