drivers/rtc/rtc-isl12057.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-isl12057.c b/drivers/rtc/rtc-isl12057.c
index bd76c5e35fa53d0d330b0ed0fbbb4f2bc468da81..b8f862953f7f8331fca38d53949ff2b8bd5c6fbd 100644 (file)
--- a/drivers/rtc/rtc-isl12057.c
+++ b/drivers/rtc/rtc-isl12057.c
@@ -535,7 +535,7 @@ static const struct rtc_class_ops rtc_ops = {
        .alarm_irq_enable = isl12057_rtc_alarm_irq_enable,
 };
 
-static struct regmap_config isl12057_rtc_regmap_config = {
+static const struct regmap_config isl12057_rtc_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,
 };