[PATCH AUTOSEL 5.4 035/134] clocksource/drivers/asm9260: Add a check for of_clk_get

From: Sasha Levin
Date: Wed Dec 11 2019 - 11:07:35 EST


From: Chuhong Yuan <hslester96@xxxxxxxxx>

[ Upstream commit 6e001f6a4cc73cd06fc7b8c633bc4906c33dd8ad ]

asm9260_timer_init misses a check for of_clk_get.
Add a check for it and print errors like other clocksource drivers.

Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20191016124330.22211-1-hslester96@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/clocksource/asm9260_timer.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/clocksource/asm9260_timer.c b/drivers/clocksource/asm9260_timer.c
index 9f09a59161e70..5b39d3701fa3c 100644
--- a/drivers/clocksource/asm9260_timer.c
+++ b/drivers/clocksource/asm9260_timer.c
@@ -194,6 +194,10 @@ static int __init asm9260_timer_init(struct device_node *np)
}

clk = of_clk_get(np, 0);
+ if (IS_ERR(clk)) {
+ pr_err("Failed to get clk!\n");
+ return PTR_ERR(clk);
+ }

ret = clk_prepare_enable(clk);
if (ret) {
--
2.20.1