clk: Add devm_clk_{register,unregister}()

Some clock drivers can be simplified if devres takes care of
unregistering any registered clocks along error paths. Introduce
devm_clk_register() so that clock drivers get unregistration for
free along with simplified error paths.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 0dce3d31eae5..3593a3ce3f0d 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -331,8 +331,10 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
  * error code; drivers must test for an error code after calling clk_register.
  */
 struct clk *clk_register(struct device *dev, struct clk_hw *hw);
+struct clk *devm_clk_register(struct device *dev, struct clk_hw *hw);
 
 void clk_unregister(struct clk *clk);
+void devm_clk_unregister(struct device *dev, struct clk *clk);
 
 /* helper functions */
 const char *__clk_get_name(struct clk *clk);