From: Osama Abdelkader Date: Sun, 2 Nov 2025 23:19:03 +0000 (+0200) Subject: hw/audio: Remove dead code from ac97_realize X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1eb18789f8863e7ee89c1dc06b2de806442b4927;p=thirdparty%2Fqemu.git hw/audio: Remove dead code from ac97_realize 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 Reviewed-by: Marc-André Lureau Message-ID: <20251102231903.65409-1-osama.abdelkader@gmail.com> Signed-off-by: Philippe Mathieu-Daudé --- 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 */