Replace the remaining uses of the field pdev by upcasts from the Linux
device and remove the field.
Signed-off-by: NThomas Zimmermann <tzimmermann@suse.de>
Acked-by: NJavier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220801135028.30647-4-tzimmermann@suse.de