On Mon, Nov 3, 2025 at 3:20 AM Osama Abdelkader <[email protected]> wrote: > > Remove unnecessary PCI configuration register initialization that was > marked with TODO comments indicating it's redundant: > - PCI_COMMAND register is already 0x00 by default, no need to override > - PCI_BASE_ADDRESS_0 registers are automatically set by pci_register_bar() > > This aligns the code with the pattern used by other PCI audio devices > in QEMU (via-ac97, intel-hda, es1370) and removes 15 lines of dead code. > > Signed-off-by: Osama Abdelkader <[email protected]>
Reviewed-by: Marc-André Lureau <[email protected]> > --- > hw/audio/ac97.c | 19 ------------------- > 1 file changed, 19 deletions(-) > > diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c > index be7a39377f..60daa62ea3 100644 > --- a/hw/audio/ac97.c > +++ b/hw/audio/ac97.c > @@ -1279,30 +1279,11 @@ static void ac97_realize(PCIDevice *dev, Error **errp) > return; > } > > - /* TODO: no need to override */ > - c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */ > - c[PCI_COMMAND + 1] = 0x00; > - > - /* TODO: */ > c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro > */ > c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8; > > c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */ > > - /* TODO set when bar is registered. no need to override. */ > - /* nabmar native audio mixer base address rw */ > - c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO; > - c[PCI_BASE_ADDRESS_0 + 1] = 0x00; > - c[PCI_BASE_ADDRESS_0 + 2] = 0x00; > - c[PCI_BASE_ADDRESS_0 + 3] = 0x00; > - > - /* TODO set when bar is registered. no need to override. */ > - /* nabmbar native audio bus mastering base address rw */ > - c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO; > - c[PCI_BASE_ADDRESS_0 + 5] = 0x00; > - c[PCI_BASE_ADDRESS_0 + 6] = 0x00; > - c[PCI_BASE_ADDRESS_0 + 7] = 0x00; > - > c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */ > c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */ > > -- > 2.43.0 > > -- Marc-André Lureau
