From 7efb4a6e09421a8ceaaaff61e28905ddec0c02a5 Mon Sep 17 00:00:00 2001 From: Bin Meng 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 Reviewed-by: Simon Glass --- 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