From 7efb4a6e09421a8ceaaaff61e28905ddec0c02a5 Mon Sep 17 00:00:00 2001
From: Bin Meng <bmeng.cn@gmail.com>
Date: Fri, 5 Jul 2019 09:23:15 -0700
Subject: [PATCH] dm: timer: Skip device that does not have a valid ofnode in
pre_probe()
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.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
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 12ee6eb804..97a4c74851 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);
--
2.39.5