Export clk_hw_register_composite() to support user built as module.

ERROR: modpost: "clk_hw_register_composite" [drivers/clk/imx/mxc-clk.ko]
undefined!

Signed-off-by: Anson Huang <anson.hu...@nxp.com>
Reviewed-by: Stephen Boyd <sb...@kernel.org>
---
no change.
---
 drivers/clk/clk-composite.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
index 7376f57..2ddb54f 100644
--- a/drivers/clk/clk-composite.c
+++ b/drivers/clk/clk-composite.c
@@ -328,6 +328,7 @@ struct clk_hw *clk_hw_register_composite(struct device 
*dev, const char *name,
                                           rate_hw, rate_ops, gate_hw,
                                           gate_ops, flags);
 }
+EXPORT_SYMBOL_GPL(clk_hw_register_composite);
 
 struct clk_hw *clk_hw_register_composite_pdata(struct device *dev,
                        const char *name,
-- 
2.7.4

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