Re: [PATCH v3 1/3] kunit: provide kunit_platform_device_register_full()

From: David Gow

Date: Tue May 26 2026 - 05:08:07 EST


Le 22/05/2026 à 9:42 PM, Bartosz Golaszewski a écrit :
> Provide a kunit-managed variant of platform_device_register_full().
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>
> ---

Thanks! This looks good to me.

Reviewed-by: David Gow <david@xxxxxxxxxxxx>

Cheers,
-- David

> include/kunit/platform_device.h | 4 ++++
> lib/kunit/platform.c | 31 +++++++++++++++++++++++++++++++
> 2 files changed, 35 insertions(+)
>
> diff --git a/include/kunit/platform_device.h b/include/kunit/platform_device.h
> index f8236a8536f7ebcee6b0e00a7bd799a14b345c1b..8cad6e1c3e7efba862862b579089f2f317784a73 100644
> --- a/include/kunit/platform_device.h
> +++ b/include/kunit/platform_device.h
> @@ -6,10 +6,14 @@ struct completion;
> struct kunit;
> struct platform_device;
> struct platform_driver;
> +struct platform_device_info;
>
> struct platform_device *
> kunit_platform_device_alloc(struct kunit *test, const char *name, int id);
> int kunit_platform_device_add(struct kunit *test, struct platform_device *pdev);
> +struct platform_device *
> +kunit_platform_device_register_full(struct kunit *test,
> + const struct platform_device_info *pdevinfo);
>
> int kunit_platform_device_prepare_wait_for_probe(struct kunit *test,
> struct platform_device *pdev,
> diff --git a/lib/kunit/platform.c b/lib/kunit/platform.c
> index 0b518de26065d65dac3bd49dd94a4b3e7ea0634b..583b50b538c79599ebbf33e261fe2e9ced35efa9 100644
> --- a/lib/kunit/platform.c
> +++ b/lib/kunit/platform.c
> @@ -6,6 +6,7 @@
> #include <linux/completion.h>
> #include <linux/device/bus.h>
> #include <linux/device/driver.h>
> +#include <linux/err.h>
> #include <linux/platform_device.h>
>
> #include <kunit/platform_device.h>
> @@ -130,6 +131,36 @@ int kunit_platform_device_add(struct kunit *test, struct platform_device *pdev)
> }
> EXPORT_SYMBOL_GPL(kunit_platform_device_add);
>
> +/**
> + * kunit_platform_device_register_full() - Register a KUnit test-managed platform
> + * device described by platform device info
> + * @test: test context
> + * @pdevinfo: platform device information describing the new device
> + *
> + * Register a test-managed platform device. The device is unregistered when the
> + * test completes.
> + *
> + * Return: New platform device on success, IS_ERR() on error.
> + */
> +struct platform_device *
> +kunit_platform_device_register_full(struct kunit *test,
> + const struct platform_device_info *pdevinfo)
> +{
> + struct platform_device *pdev;
> + int ret;
> +
> + pdev = platform_device_register_full(pdevinfo);
> + if (IS_ERR(pdev))
> + return pdev;
> +
> + ret = kunit_add_action_or_reset(test, platform_device_unregister_wrapper, pdev);
> + if (ret)
> + return ERR_PTR(ret);
> +
> + return pdev;
> +}
> +EXPORT_SYMBOL_GPL(kunit_platform_device_register_full);
> +
> struct kunit_platform_device_probe_nb {
> struct completion *x;
> struct device *dev;
>