Commit a82fcb16 authored by Stephen Boyd's avatar Stephen Boyd
Browse files

clk: test: Add test managed of_clk_add_hw_provider() 



Add a test managed version of of_clk_add_hw_provider() that
automatically unregisters the clk_hw provider upon test conclusion.

Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Gow <davidgow@google.com>
Cc: Rae Moar <rmoar@google.com>
Cc: Peng Fan <peng.fan@nxp.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240822002433.1163814-2-sboyd@kernel.org
parent 9852d85e

drivers/clk/clk_kunit_helpers.c

+30 −0
Original line number Diff line number Diff line
@@ -203,5 +203,35 @@ int of_clk_hw_register_kunit(struct kunit *test, struct device_node *node, struc 
}

EXPORT_SYMBOL_GPL(of_clk_hw_register_kunit);



KUNIT_DEFINE_ACTION_WRAPPER(of_clk_del_provider_wrapper,

			    of_clk_del_provider, struct device_node *);



/**

 * of_clk_add_hw_provider_kunit() - Test managed of_clk_add_hw_provider()

 * @test: The test context

 * @np: Device node pointer associated with clock provider

 * @get: Callback for decoding clk_hw

 * @data: Context pointer for @get callback.

 *

 * Just like of_clk_add_hw_provider(), except the clk_hw provider is managed by

 * the test case and is automatically unregistered after the test case

 * concludes.

 *

 * Return: 0 on success or a negative errno value on failure.

 */

int of_clk_add_hw_provider_kunit(struct kunit *test, struct device_node *np,

				 struct clk_hw *(*get)(struct of_phandle_args *clkspec, void *data),

				 void *data)

{

	int ret;



	ret = of_clk_add_hw_provider(np, get, data);

	if (ret)

		return ret;



	return kunit_add_action_or_reset(test, of_clk_del_provider_wrapper, np);

}

EXPORT_SYMBOL_GPL(of_clk_add_hw_provider_kunit);



MODULE_LICENSE("GPL");

MODULE_DESCRIPTION("KUnit helpers for clk providers and consumers");

include/kunit/clk.h

+4 −0
Original line number Diff line number Diff line
@@ -25,4 +25,8 @@ int clk_hw_register_kunit(struct kunit *test, struct device *dev, struct clk_hw 
int of_clk_hw_register_kunit(struct kunit *test, struct device_node *node,

			     struct clk_hw *hw);



int of_clk_add_hw_provider_kunit(struct kunit *test, struct device_node *np,

				 struct clk_hw *(*get)(struct of_phandle_args *clkspec, void *data),

				 void *data);



#endif