drivers/rtc/rtc-at91sam9.c: constify struct regmap_config

The regmap_config struct may be const because it is not modified by the
driver and regmap_init() accepts pointer to const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 6b9aaf1afc72088737bbb111e5684731fc3bb7d2..2183fd2750abd9d4b388ca4a5f48916600356122 100644 (file)
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -313,7 +313,7 @@ static const struct rtc_class_ops at91_rtc_ops = {
        .alarm_irq_enable = at91_rtc_alarm_irq_enable,
 };
 
-static struct regmap_config gpbr_regmap_config = {
+static const struct regmap_config gpbr_regmap_config = {
        .reg_bits = 32,
        .val_bits = 32,
        .reg_stride = 4,