[PATCH 1/3] clk: test: Add test managed of_clk_add_hw_provider()

From: Stephen Boyd
Date: Wed Aug 21 2024 - 20:24:54 EST


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@xxxxxxxxx>
Cc: David Gow <davidgow@xxxxxxxxxx>
Cc: Rae Moar <rmoar@xxxxxxxxxx>
Cc: Peng Fan <peng.fan@xxxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxx>
---
drivers/clk/clk_kunit_helpers.c | 30 ++++++++++++++++++++++++++++++
include/kunit/clk.h | 4 ++++
2 files changed, 34 insertions(+)

diff --git a/drivers/clk/clk_kunit_helpers.c b/drivers/clk/clk_kunit_helpers.c
index 52fd25594c96..68a28e70bb61 100644
--- a/drivers/clk/clk_kunit_helpers.c
+++ b/drivers/clk/clk_kunit_helpers.c
@@ -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");
diff --git a/include/kunit/clk.h b/include/kunit/clk.h
index 73bc99cefe7b..0afae7688157 100644
--- a/include/kunit/clk.h
+++ b/include/kunit/clk.h
@@ -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
--
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git