dm: core: Add a function to find any device from device tree

[u-boot] / drivers / rtc / date.c

diff --git a/drivers/rtc/date.c b/drivers/rtc/date.c
index 79beb940e5c5a193aff68c9fa0d42863c82a9b2b..8c643a0b460c81afe4aeb9113bb020d16033aa68 100644 (file)
--- a/drivers/rtc/date.c
+++ b/drivers/rtc/date.c
@@ -128,22 +128,23 @@ int rtc_to_tm(int tim, struct rtc_time *tm)
  * machines were long is 32-bit! (However, as time_t is signed, we
  * will already get problems at other places on 2038-01-19 03:14:08)
  */
-unsigned long
-mktime (unsigned int year, unsigned int mon,
-       unsigned int day, unsigned int hour,
-       unsigned int min, unsigned int sec)
+unsigned long rtc_mktime(const struct rtc_time *tm)
 {
-       if (0 >= (int) (mon -= 2)) {    /* 1..12 -> 11,12,1..10 */
+       int mon = tm->tm_mon;
+       int year = tm->tm_year;
+       int days, hours;
+
+       mon -= 2;
+       if (0 >= (int)mon) {    /* 1..12 -> 11,12,1..10 */
                mon += 12;              /* Puts Feb last since it has leap day */
                year -= 1;
        }
 
-       return (((
-               (unsigned long) (year/4 - year/100 + year/400 + 367*mon/12 + day) +
-                       year*365 - 719499
-           )*24 + hour /* now have hours */
-         )*60 + min /* now have minutes */
-       )*60 + sec; /* finally seconds */
+       days = (unsigned long)(year / 4 - year / 100 + year / 400 +
+                       367 * mon / 12 + tm->tm_mday) +
+                       year * 365 - 719499;
+       hours = days * 24 + tm->tm_hour;
+       return (hours * 60 + tm->tm_min) * 60 + tm->tm_sec;
 }
 
 #endif