diff options
| -rw-r--r-- | drivers/timer/timer-uclass.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c index b1f4868416..83d1a35e06 100644 --- a/drivers/timer/timer-uclass.c +++ b/drivers/timer/timer-uclass.c @@ -49,6 +49,16 @@ static int timer_pre_probe(struct udevice *dev) return 0; } +static int timer_post_probe(struct udevice *dev) +{ + struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev); + + if (!uc_priv->clock_rate) + return -EINVAL; + + return 0; +} + u64 timer_conv_64(u32 count) { /* increment tbh if tbl has rolled over */ @@ -105,5 +115,6 @@ UCLASS_DRIVER(timer) = { .name = "timer", .pre_probe = timer_pre_probe, .flags = DM_UC_FLAG_SEQ_ALIAS, + .post_probe = timer_post_probe, .per_device_auto_alloc_size = sizeof(struct timer_dev_priv), }; |