Re: [Qemu-devel] [PATCH 4/4] hw/pci: remove obsolete PCIDevice->init()

["Michael S. Tsirkin" <mst@redhat.com>]

On Sun, Mar 11, 2018 at 04:46:52PM +0100, Philippe Mathieu-Daudé wrote:
> Hi Michael, Paolo.
> 
> Now than all other PCI QOM'ification patches got applied, can you take
> this patch for 2.12?
> 
> Thanks,
> 
> Phil.
> 
> On 12/17/2017 09:49 PM, Philippe Mathieu-Daudé wrote:
> > All PCI devices are now QOM'ified.
> > 
> > Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> > ---
> >  include/hw/pci/pci.h |  1 -
> >  hw/pci/pci.c         | 14 --------------
> >  2 files changed, 15 deletions(-)
> > 
> > diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> > index 8d02a0a383..0f1ed64c2f 100644
> > --- a/include/hw/pci/pci.h
> > +++ b/include/hw/pci/pci.h
> > @@ -217,7 +217,6 @@ typedef struct PCIDeviceClass {
> >      DeviceClass parent_class;
> >  
> >      void (*realize)(PCIDevice *dev, Error **errp);
> > -    int (*init)(PCIDevice *dev);/* TODO convert to realize() and remove */
> >      PCIUnregisterFunc *exit;
> >      PCIConfigReadFunc *config_read;
> >      PCIConfigWriteFunc *config_write;
> > diff --git a/hw/pci/pci.c b/hw/pci/pci.c
> > index b2d139bd9a..cd25ab6f6b 100644
> > --- a/hw/pci/pci.c
> > +++ b/hw/pci/pci.c
> > @@ -2054,18 +2054,6 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
> >      }
> >  }
> >  
> > -static void pci_default_realize(PCIDevice *dev, Error **errp)
> > -{
> > -    PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
> > -
> > -    if (pc->init) {
> > -        if (pc->init(dev) < 0) {
> > -            error_setg(errp, "Device initialization failed");
> > -            return;
> > -        }
> > -    }
> > -}
> > -
> >  PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction,
> >                                      const char *name)
> >  {
> > @@ -2538,13 +2526,11 @@ MemoryRegion *pci_address_space_io(PCIDevice *dev)
> >  static void pci_device_class_init(ObjectClass *klass, void *data)
> >  {
> >      DeviceClass *k = DEVICE_CLASS(klass);
> > -    PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass);
> >  
> >      k->realize = pci_qdev_realize;
> >      k->unrealize = pci_qdev_unrealize;
> >      k->bus_type = TYPE_PCI_BUS;
> >      k->props = pci_props;
> > -    pc->realize = pci_default_realize;

How about we assert !init here?

+	assert(!pc->init);

> >  }
> >  
> >  static void pci_device_class_base_init(ObjectClass *klass, void *data)
> >