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-rw-r--r--hw/ide/via.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/ide/via.c b/hw/ide/via.c
index c8835de01b..3c4d474e48 100644
--- a/hw/ide/via.c
+++ b/hw/ide/via.c
@@ -170,6 +170,7 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
pci_config_set_prog_interface(pci_conf, 0x8a); /* legacy mode */
pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
dev->wmask[PCI_INTERRUPT_LINE] = 0;
+ dev->wmask[PCI_CLASS_PROG] = 5;
memory_region_init_io(&d->data_bar[0], OBJECT(d), &pci_ide_data_le_ops,
&d->bus[0], "via-ide0-data", 8);