rtc: amlogic-a4: Optimize global variables

Convert a global variable into a local one of aml_rtc_probe().

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20250722-rtc-regmap-v2-1-58bc17187a11@amlogic.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-amlogic-a4.c b/drivers/rtc/rtc-amlogic-a4.c
index 09d78c2cc691815ab7270fa439cb6f3c2b77be58..1928b29c10454d211dd808a10d4548bd2c5061ea 100644 (file)
--- a/drivers/rtc/rtc-amlogic-a4.c
+++ b/drivers/rtc/rtc-amlogic-a4.c
@@ -72,13 +72,6 @@ struct aml_rtc_data {
        const struct aml_rtc_config *config;
 };
 
-static const struct regmap_config aml_rtc_regmap_config = {
-       .reg_bits = 32,
-       .val_bits = 32,
-       .reg_stride = 4,
-       .max_register = RTC_REAL_TIME,
-};
-
 static inline u32 gray_to_binary(u32 gray)
 {
        u32 bcd = gray;
@@ -328,6 +321,13 @@ static int aml_rtc_probe(struct platform_device *pdev)
        void __iomem *base;
        int ret = 0;
 
+       const struct regmap_config aml_rtc_regmap_config = {
+               .reg_bits = 32,
+               .val_bits = 32,
+               .reg_stride = 4,
+               .max_register = RTC_REAL_TIME,
+       };
+
        rtc = devm_kzalloc(dev, sizeof(*rtc), GFP_KERNEL);
        if (!rtc)
                return -ENOMEM;