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clk: Add devm_clk_{register,unregister}()

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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>
This commit is contained in:
Stephen Boyd
2012-09-24 13:38:04 -07:00
committed by Mike Turquette
parent 980f58a45e
commit 46c8773a58
2 changed files with 92 additions and 21 deletions
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2
include/linux/clk-provider.h
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@@ -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);