linux-kernel - [PATCH] CPUFREQ: Loongson2: constify platform_device

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Date:   Sun, 13 Aug 2017 15:10:06 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     rjw@...ysocki.net, viresh.kumar@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: [PATCH] CPUFREQ: Loongson2: constify platform_device_id

platform_device_id are not supposed to change at runtime. All functions
working with platform_device_id provided by <linux/platform_device.h>
work with const platform_device_id. So mark the non-const structs as
const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/cpufreq/loongson2_cpufreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index 9ac27b2..da34469 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -114,7 +114,7 @@ static struct cpufreq_driver loongson2_cpufreq_driver = {
 	.attr = cpufreq_generic_attr,
 };
 
-static struct platform_device_id platform_device_ids[] = {
+static const struct platform_device_id platform_device_ids[] = {
 	{
 		.name = "loongson2_cpufreq",
 	},
-- 
2.7.4