pwm: Constify OF match tables

A few drivers already annotate this properly. Make the same change for
all other OF supporting drivers.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c
index 2782001ba183..eef910580eae 100644
--- a/drivers/pwm/pwm-twl.c
+++ b/drivers/pwm/pwm-twl.c
@@ -335,7 +335,7 @@ static int twl_pwm_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_OF
-static struct of_device_id twl_pwm_of_match[] = {
+static const struct of_device_id twl_pwm_of_match[] = {
         { .compatible = "ti,twl4030-pwm" },
         { .compatible = "ti,twl6030-pwm" },
         { },