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Signed-off-by: Bartosz Golaszewski --- include/kunit/fwnode.h | 19 ++++++++++++++++++ lib/kunit/Makefile | 3 ++- lib/kunit/fwnode.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 73 insertions(+), 1 deletion(-) diff --git a/include/kunit/fwnode.h b/include/kunit/fwnode.h new file mode 100644 index 0000000000000000000000000000000000000000..e1554ace64b8a5899aff9f4b4247e5157826a49b --- /dev/null +++ b/include/kunit/fwnode.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * KUnit resource management helpers firmware nodes. + * + * Copyright (C) Qualcomm Technologies, Inc. and/or its subsidiaries + */ + +#ifndef _KUNIT_FWNODE_H +#define _KUNIT_FWNODE_H + +struct kunit; +struct fwnode_handle; +struct software_node; + +struct fwnode_handle * +kunit_software_node_register(struct kunit *test, + const struct software_node *node); + +#endif /* _KUNIT_FWNODE_H */ diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile index 656f1fa35abcc635e67d5b4cb1bc586b48415ac5..7549a701791b5b7eaa8e0637b6818cdfd0b655a8 100644 --- a/lib/kunit/Makefile +++ b/lib/kunit/Makefile @@ -10,7 +10,8 @@ kunit-objs += test.o \ executor.o \ attributes.o \ device.o \ - platform.o + platform.o \ + fwnode.o ifeq ($(CONFIG_KUNIT_DEBUGFS),y) kunit-objs += debugfs.o diff --git a/lib/kunit/fwnode.c b/lib/kunit/fwnode.c new file mode 100644 index 0000000000000000000000000000000000000000..bc8bf06762dd71a741a3419c1ca04028d6ad3ec8 --- /dev/null +++ b/lib/kunit/fwnode.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) Qualcomm Technologies, Inc. and/or its subsidiaries + */ + +#include +#include + +#include +#include + +static void kunit_software_node_unregister(void *data) +{ + const struct software_node *swnode = data; + + software_node_unregister(swnode); +} + +/** + * kunit_software_node_register() - Register a KUnit-managed software node + * @test: test context + * @swnode: Software node to register + * + * Register a test-managed software node and return its firmware node handle. + * The software node is unregistered after the test case completes. + * + * Return: Firmware node handle of the registered software node or IS_ERR() + * on failure. + */ +struct fwnode_handle * +kunit_software_node_register(struct kunit *test, + const struct software_node *swnode) +{ + struct fwnode_handle *fwnode; + int ret; + + ret = software_node_register(swnode); + if (ret) + return ERR_PTR(ret); + + fwnode = software_node_fwnode(swnode); + if (WARN_ON(!fwnode)) + return ERR_PTR(-ENOENT); + + ret = kunit_add_action_or_reset(test, kunit_software_node_unregister, + (void *)swnode); + if (ret) + return ERR_PTR(ret); + + return fwnode; +} +EXPORT_SYMBOL_GPL(kunit_software_node_register); -- 2.47.3