Make the behaviour of clk_get_rate consistent with common clk's
clk_get_rate by accepting NULL clocks as parameter. Some device
drivers rely on this, and will cause an OOPS otherwise.
Fixes: 64909882862e ("unicore32 additional architecture files: pm related
files")
Cc: Guan Xuetao <[email protected]>
Cc: [email protected]
Reported-by: Mathias Kresin <[email protected]>
Signed-off-by: Jonas Gorski <[email protected]>
---
arch/unicore32/kernel/clock.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/unicore32/kernel/clock.c b/arch/unicore32/kernel/clock.c
index b1ca775f6f6e..d867f34fdb74 100644
--- a/arch/unicore32/kernel/clock.c
+++ b/arch/unicore32/kernel/clock.c
@@ -92,6 +92,9 @@ EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
+ if (!clk)
+ return 0;
+
return clk->rate;
}
EXPORT_SYMBOL(clk_get_rate);
--
2.11.0
