rtc: ds1343: simplify regmap initialization

Avoid using memset as gcc can properly initialize structures.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-ds1343.c b/drivers/rtc/rtc-ds1343.c
index 895fbee..b5102cd 100644 (file)
--- a/drivers/rtc/rtc-ds1343.c
+++ b/drivers/rtc/rtc-ds1343.c
@@ -599,15 +599,11 @@ static const struct rtc_class_ops ds1343_rtc_ops = {
 static int ds1343_probe(struct spi_device *spi)
 {
        struct ds1343_priv *priv;
-       struct regmap_config config;
+       struct regmap_config config = { .reg_bits = 8, .val_bits = 8,
+                                       .write_flag_mask = 0x80, };
        unsigned int data;
        int res;
 
-       memset(&config, 0, sizeof(config));
-       config.reg_bits = 8;
-       config.val_bits = 8;
-       config.write_flag_mask = 0x80;
-
        priv = devm_kzalloc(&spi->dev, sizeof(struct ds1343_priv), GFP_KERNEL);
        if (!priv)
                return -ENOMEM;