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Subject[PATCH v6 3/6] m68k: coldfire: Add clk_get_optional() function
Date
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@renesas.com>
---
arch/m68k/coldfire/clk.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/m68k/coldfire/clk.c b/arch/m68k/coldfire/clk.c
index 7bc666e482eb..b221cabc7f54 100644
--- a/arch/m68k/coldfire/clk.c
+++ b/arch/m68k/coldfire/clk.c
@@ -87,6 +87,17 @@ 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);
+
int clk_enable(struct clk *clk)
{
unsigned long flags;
--
2.17.1
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