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spapr_pci: encode class code including Prog IF register 

Current code missed the Prog IF register. All Class Code, Subclass,
and Prog IF registers are needed to identify the accurate device type.

For example: USB controllers use the PROG IF for denoting: USB
FullSpeed, HighSpeed or SuperSpeed.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
master
Nikunj A Dadhania 2015-07-02 16:23:09 +10:00 committed by Alexander Graf
parent 72187935b4
commit 4a7c347415
1 changed files with 1 additions and 2 deletions
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3
hw/ppc/spapr_pci.c
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@ -900,8 +900,7 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
_FDT(fdt_setprop_cell(fdt, offset, "revision-id",
pci_default_read_config(dev, PCI_REVISION_ID, 1)));
_FDT(fdt_setprop_cell(fdt, offset, "class-code",
pci_default_read_config(dev, PCI_CLASS_DEVICE, 2)
<< 8));
pci_default_read_config(dev, PCI_CLASS_PROG, 3)));
if (pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)) {
_FDT(fdt_setprop_cell(fdt, offset, "interrupts",
pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)));