linux-kernel - [PATCH] backlight: pwm_bl: make of_device

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Message-Id: <b9daeb15d40f6682803d8dafde3bc3dcb63909ff.1497940816.git.arvind.yadav.cs@gmail.com>
Date:   Tue, 20 Jun 2017 13:22:15 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     thierry.reding@...il.com, lee.jones@...aro.org,
        daniel.thompson@...aro.org, jingoohan1@...il.com,
        b.zolnierkie@...sung.com
Cc:     linux-pwm@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] backlight: pwm_bl: make of_device_ids const

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

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

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 002f1ce..9bd1768 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -178,7 +178,7 @@ static int pwm_backlight_parse_dt(struct device *dev,
 	return 0;
 }
 
-static struct of_device_id pwm_backlight_of_match[] = {
+static const struct of_device_id pwm_backlight_of_match[] = {
 	{ .compatible = "pwm-backlight" },
 	{ }
 };
-- 
1.9.1