rtc: use probe() to initialize emulated RTC

Currently the emulated RTC is initialized in the emul_rtc_get() get
function. This does not match the design of the driver model.

Move the initialization of the emulated RTC to the probe() function.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

diff --git a/drivers/rtc/emul_rtc.c b/drivers/rtc/emul_rtc.c
index c98c24bbb3d2c9d9f043b155e454ee11b18f193e..209b4965c17d3e97c9c1fb5bf06cef9dd6857096 100644 (file)
--- a/drivers/rtc/emul_rtc.c
+++ b/drivers/rtc/emul_rtc.c
@@ -30,12 +30,6 @@ static int emul_rtc_get(struct udevice *dev, struct rtc_time *time)
        struct emul_rtc *priv = dev_get_priv(dev);
        u64 now;
 
-       if (!priv->offset_us) {
-               /* Use the build date as initial time */
-               priv->offset_us = U_BOOT_EPOCH * 1000000ULL - timer_get_us();
-               priv->isdst = -1;
-       }
-
        now = timer_get_us() + priv->offset_us;
        do_div(now, 1000000);
        rtc_to_tm(now, time);
@@ -63,6 +57,17 @@ static int emul_rtc_set(struct udevice *dev, const struct rtc_time *time)
        return 0;
 }
 
+int emul_rtc_probe(struct udevice *dev)
+{
+       struct emul_rtc *priv = dev_get_priv(dev);
+
+       /* Use the build date as initial time */
+       priv->offset_us = U_BOOT_EPOCH * 1000000ULL - timer_get_us();
+       priv->isdst = -1;
+
+       return 0;
+}
+
 static const struct rtc_ops emul_rtc_ops = {
        .get = emul_rtc_get,
        .set = emul_rtc_set,
@@ -72,6 +77,7 @@ U_BOOT_DRIVER(rtc_emul) = {
        .name   = "rtc_emul",
        .id     = UCLASS_RTC,
        .ops    = &emul_rtc_ops,
+       .probe  = emul_rtc_probe,
        .priv_auto_alloc_size = sizeof(struct emul_rtc),
 };