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clk: test: Add test managed of_clk_add_hw_provider()

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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: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20240822002433.1163814-2-sboyd@kernel.org
This commit is contained in:
Stephen Boyd 2024-08-21 17:24:28 -07:00
parent 9852d85ec9
commit a82fcb16d9
2 changed files with 34 additions and 0 deletions
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30
drivers/clk/clk_kunit_helpers.c
View File

@ -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");

4
include/kunit/clk.h
View File

@ -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