Messages in this thread Patch in this message | | | From | Phil Edworthy <> | Subject | [PATCH v6 3/6] m68k: coldfire: Add clk_get_optional() function | Date | Fri, 16 Nov 2018 14:59:34 +0000 |
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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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