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: e7300d04bd08 ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx
family of SOCs.")
Cc: Ralf Baechle <r...@linux-mips.org>
Cc: Florian Fainelli <f.faine...@gmail.com>
Cc: bcm-kernel-feedback-l...@broadcom.com
Cc: James Hogan <james.ho...@imgtec.com>
Cc: linux-m...@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Reported-by: Mathias Kresin <d...@kresin.me>
Signed-off-by: Jonas Gorski <jonas.gor...@gmail.com>
---
arch/mips/bcm63xx/clk.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c
index 73626040e4d6..19577f771c1f 100644
--- a/arch/mips/bcm63xx/clk.c
+++ b/arch/mips/bcm63xx/clk.c
@@ -339,6 +339,9 @@ EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
+ if (!clk)
+ return 0;
+
return clk->rate;
}
--
2.11.0
