The __clk_get_name is used by drivers that provide their
own clocks, which have traditionally all been built-in.
The new imx drm driver however provides clocks but can
be built as a module, so we need to export __clk_get_name.

While this is only a staging driver, it's likely that
there will be others like it in the future.

Without this patch, building ARM allmodconfig results in:

ERROR: "__clk_get_name" [drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.ko] undefined!

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Mike Turquette <redacted>
---
 drivers/clk/clk.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 251e45d..13b793e 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c

@@ -263,6 +263,7 @@ inline const char *__clk_get_name(struct clk *clk)
 {
        return !clk ? NULL : clk->name;
 }
+EXPORT_SYMBOL_GPL(__clk_get_name);

 inline struct clk_hw *__clk_get_hw(struct clk *clk)
 {
--

1.7.10.4

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