On 2018-09-26 11:00, Markus Armbruster wrote: > Device models aren't supposed to go on fishing expeditions for > backends. They should expose suitable properties for the user to set. > For onboard devices, board code sets them. > > Device ssi-sd picks up its block backend in its init() method with > drive_get_next() instead. This mistake is already marked FIXME since > commit af9e40a. > > Unset user_creatable to remove the mistake from our external > interface. Since the SSI bus doesn't support hotplug, only -device > can be affected. Only certain ARM machines provide an SSI bus. > > Signed-off-by: Markus Armbruster <arm...@redhat.com> > --- > Are there valid uses of -device ssi-sd? If no, this patch is fine. > If yes, this patch breaks them. But fixing the FIXME will also break > them. What should we do? > > hw/sd/ssi-sd.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/hw/sd/ssi-sd.c b/hw/sd/ssi-sd.c > index 95a143bfba..ec7c7e6dbf 100644 > --- a/hw/sd/ssi-sd.c > +++ b/hw/sd/ssi-sd.c > @@ -284,6 +284,8 @@ static void ssi_sd_class_init(ObjectClass *klass, void > *data) > k->cs_polarity = SSI_CS_LOW; > dc->vmsd = &vmstate_ssi_sd; > dc->reset = ssi_sd_reset; > + /* Reason: init() method uses drive_get_next() */ > + dc->cannot_instantiate_with_device_add_yet = true;
s/cannot_instantiate_with_device_add_yet = true/user_creatable = false/ Sounds like a good idea to me, if somebody then still needs this for "-device", they should fix the FIXME first. Thomas