It is possible that a timer device has a null ofnode, hence there is
no need to further parse DT for the clock rate.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
drivers/timer/timer-uclass.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c
index 12ee6eb..97a4c74 100644
--- a/drivers/timer/timer-uclass.c
+++ b/drivers/timer/timer-uclass.c
@@ -48,6 +48,10 @@ static int timer_pre_probe(struct udevice *dev)
int err;
ulong ret;
+ /* It is possible that a timer device has a null ofnode */
+ if (!dev_of_valid(dev))
+ return 0;
+
err = clk_get_by_index(dev, 0, &timer_clk);
if (!err) {
ret = clk_get_rate(&timer_clk);
--
2.7.4
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