When power management is disabled, we get a harmless warning:

drivers/clk/clk-cs2000-cp.c:544:12: error: 'cs2000_resume' defined but not used 

Marking the function as __maybe_unused lets the compiler silently
drop it instead.

Fixes: eade4ccdb087 ("clk: cs2000: set pm_ops in hibernate-compatible way")
Signed-off-by: Arnd Bergmann <a...@arndb.de>
 drivers/clk/clk-cs2000-cp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c
index c58019750b7e..a2f8c42e527a 100644
--- a/drivers/clk/clk-cs2000-cp.c
+++ b/drivers/clk/clk-cs2000-cp.c
@@ -541,7 +541,7 @@ static int cs2000_probe(struct i2c_client *client,
        return ret;
-static int cs2000_resume(struct device *dev)
+static int __maybe_unused cs2000_resume(struct device *dev)
        struct cs2000_priv *priv = dev_get_drvdata(dev);

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