clk_get_optional() returns NULL if not found instead of -ENOENT,
otherwise the behaviour is the same as clk_get().
Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
---
arch/mips/loongson64/lemote-2f/clock.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/mips/loongson64/lemote-2f/clock.c b/arch/mips/loongson64/lemote-2f/clock.c
index 8281334df9c8..abbade58b635 100644
--- a/arch/mips/loongson64/lemote-2f/clock.c
+++ b/arch/mips/loongson64/lemote-2f/clock.c
@@ -53,6 +53,17 @@ struct clk *clk_get(struct device *dev, const char *id)
}
EXPORT_SYMBOL(clk_get);
+struct clk *clk_get_optional(struct device *dev, const char *id)
+{
+ struct clk *clk = clk_get(dev, id);
+
+ if (clk == ERR_PTR(-ENOENT))
+ clk = NULL;
+
+ return clk;
+}
+EXPORT_SYMBOL(clk_get_optional);
+
static void propagate_rate(struct clk *clk)
{
struct clk *clkp;
--
2.17.1
