soc/mediatek: rtc: Use `bool` as return type

BUG=b:176307061
TEST=emerge-asurada coreboot; emerge-kukui coreboot emerge-oak coreboot
     boot to shell on Asurada

Signed-off-by: Yidi Lin <yidi.lin@mediatek.com>
Change-Id: Id31fa04edc2920c1767d9f08ab7af0ab4a15bc24
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49137
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/src/soc/mediatek/common/include/soc/rtc_common.h b/src/soc/mediatek/common/include/soc/rtc_common.h
index 7ddb8df0a9..4a864311d9 100644
--- a/src/soc/mediatek/common/include/soc/rtc_common.h
+++ b/src/soc/mediatek/common/include/soc/rtc_common.h
@@ -6,6 +6,7 @@
 #include <bcd.h>
 #include <console/console.h>
 #include <rtc.h>
+#include <stdbool.h>
 
 #define RTCTAG			"[RTC]"
 #define rtc_info(fmt, arg ...)	printk(BIOS_INFO, RTCTAG "%s,%d: " fmt, \
@@ -94,14 +95,13 @@ enum {
 };
 
 /* external API */
-int rtc_busy_wait(void);
-int rtc_write_trigger(void);
-int rtc_writeif_unlock(void);
-int rtc_xosc_write(u16 val);
-int rtc_lpen(u16 con);
-int rtc_reg_init(void);
+bool rtc_write_trigger(void);
+bool rtc_writeif_unlock(void);
+bool rtc_xosc_write(u16 val);
+bool rtc_lpen(u16 con);
+bool rtc_reg_init(void);
 void rtc_osc_init(void);
-int rtc_powerkey_init(void);
+bool rtc_powerkey_init(void);
 void rtc_boot_common(void);
 
 #endif /* SOC_MEDIATEK_RTC_COMMON_H */