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pcnet: make subsystem vendor id match hardware 

Real pcnet device (AT2450) apparently has subsystem
device and vendor id set to 0, this is out of spec
(which requires that vendor id is obtained from PCI SIG)
but windows xp driver seems to need this in order
to associate.

qemu sets pci subsystem id to qumranet/qemu
since d350d97d19,
debian does not yet have this patch.

https://bugzilla.redhat.com/show_bug.cgi?id=521247

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2010-03-15 13:34:16 +02:00
parent 15e89f5916
commit 7a7e5db993
1 changed files with 3 additions and 0 deletions
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3
hw/pcnet.c
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@ -1997,6 +1997,9 @@ static int pci_pcnet_init(PCIDevice *pci_dev)
pci_set_long(pci_conf + PCI_BASE_ADDRESS_0 + 4,
PCI_BASE_ADDRESS_SPACE_MEMORY);
pci_set_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID, 0x0);
pci_set_word(pci_conf + PCI_SUBSYSTEM_ID, 0x0);
/* TODO: value must be 0 at RST# */
pci_conf[PCI_INTERRUPT_PIN] = 1; // interrupt pin 0
pci_conf[PCI_MIN_GNT] = 0x06;