Re: [Qemu-devel] [PATCH 1/2] piix: use type-safe cast instead of directly access of parent dev

[Hu Tao]

Andreas,

On Mon, Jun 17, 2013 at 09:56:47AM +0800, Hu Tao wrote:
> On Fri, Jun 14, 2013 at 11:20:55AM +0200, Andreas Färber wrote:
> > Hi,
> > 
> > Am 14.06.2013 08:49, schrieb Hu Tao:
> > > Signed-off-by: Hu Tao <address@hidden>
> > > ---
> > >  hw/pci-host/piix.c | 11 +++++++----
> > >  1 file changed, 7 insertions(+), 4 deletions(-)
> > > 
> > > diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
> > > index f9e68c3..ba9a8f0 100644
> > > --- a/hw/pci-host/piix.c
> > > +++ b/hw/pci-host/piix.c
> > > @@ -121,22 +121,24 @@ static int pci_slot_get_pirq(PCIDevice *pci_dev, 
> > > int pci_intx)
> > >  static void i440fx_update_memory_mappings(PCII440FXState *d)
> > >  {
> > >      int i;
> > > +    PCIDevice *pd = PCI_DEVICE(d);
> > >  
> > >      memory_region_transaction_begin();
> > >      for (i = 0; i < 13; i++) {
> > >          pam_update(&d->pam_regions[i], i,
> > > -                   d->dev.config[I440FX_PAM + ((i + 1) / 2)]);
> > > +                   pd->config[I440FX_PAM + ((i + 1) / 2)]);
> > [snip]
> > 
> > These two patches will likely conflict with Peter C.'s recent PCI
> > patchset doing the same thing.
> 
> Thanks for reminding! I applied these two on top of Peter's patchset,
> only patch 2 conflicts on one hunk.
> 
> > 
> > They look okay, although in one case changing to "dev" variable will
> > force yet another change when later switching to QOM realize with
> > DeviceState *dev.
> 
> Do you mean q35_host_init(SysBusDevice *dev)?  Would you like to hold it?

I'm trying to switch SysbusDevice to QOM realize if you're not working
on it.