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rtc: use probe() to initialize emulated RTC

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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>
This commit is contained in:
Heinrich Schuchardt 2020-10-30 03:05:47 +01:00
parent 314bed6c85
commit 0ca4b558b5
1 changed files with 12 additions and 6 deletions
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18
drivers/rtc/emul_rtc.c
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@ -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),
};