This fixes an issue in platform device code where, if we specify a software node for a platform device using struct platform_device_info, it will not be removed on device .release().
The second patch adds a new kunit helper which is used in patch 3/3 that adds a test-case that can be used to reproduce the problem and prove that the fix works as well as another making sure a corner case of using a software node as the primary firmware node works too. First patch should go into v7.1 while patches 2/3 and 3/3 can be queued for v7.2. Signed-off-by: Bartosz Golaszewski <[email protected]> --- Changes in v2: - Change the order between removing the software node and dropping the reference to the device's OF node - Address a situation where a software node is used as the primary firmware node - Add a patch adding a new kunit helper - Add another test case - Link to v1: https://patch.msgid.link/20260410-swnode-remove-on-dev-unreg-v1-0-cd7d305f3...@oss.qualcomm.com --- Bartosz Golaszewski (3): driver core: platform: remove software node on release() kunit: provide kunit_software_node_register() driver core: platform: tests: add test cases for correct swnode removal drivers/base/platform.c | 11 ++++ drivers/base/test/platform-device-test.c | 106 +++++++++++++++++++++++++++++++ include/kunit/fwnode.h | 19 ++++++ lib/kunit/Makefile | 3 +- lib/kunit/fwnode.c | 52 +++++++++++++++ 5 files changed, 190 insertions(+), 1 deletion(-) --- base-commit: 70c8a7ec6715b5fb14e501731b5b9210a16684f7 change-id: 20260410-swnode-remove-on-dev-unreg-42bfc4b23ba8 Best regards, -- Bartosz Golaszewski <[email protected]>
