clk_dump command: Allow printing a single clock

So far the clk_dump command can only print all clocks. With this patch
we can limit the output to ancestors and children of a given clock. This
makes it easier to find the desired information in big clock trees.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/clk.h b/include/linux/clk.h
index 868bf3e4ed..3d66343e8d 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -456,6 +456,7 @@ int clk_register(struct clk *clk);
 struct clk *clk_lookup(const char *name);
 
 void clk_dump(int verbose);
+void clk_dump_one(struct clk *clk, int verbose);
 
 struct clk *clk_register_composite(const char *name,
 			const char * const *parent_names, int num_parents,