Commit 168a9c91 authored by Tomasz Duszynski's avatar Tomasz Duszynski Committed by Alex Williamson
Browse files

vfio: platform: ignore missing reset if disabled at module init 



If reset requirement was relaxed via module parameter, errors caused by
missing reset should not be propagated down to the vfio core.
Otherwise initialization will fail.

Signed-off-by: default avatarTomasz Duszynski <tduszynski@marvell.com>
Fixes: 5f6c7e08 ("vfio/platform: Use the new device life cycle helpers")
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20230131083349.2027189-1-tduszynski@marvell.com


Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent f4f0c25e

drivers/vfio/platform/vfio_platform_common.c

+5 −2
Original line number Diff line number Diff line
@@ -647,11 +647,14 @@ int vfio_platform_init_common(struct vfio_platform_device *vdev) 
	mutex_init(&vdev->igate);



	ret = vfio_platform_get_reset(vdev);

	if (ret && vdev->reset_required)

	if (ret && vdev->reset_required) {

		dev_err(dev, "No reset function found for device %s\n",

			vdev->name);

		return ret;

	}



	return 0;

}

EXPORT_SYMBOL_GPL(vfio_platform_init_common);



void vfio_platform_release_common(struct vfio_platform_device *vdev)