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spapr_pci: encode class code including Prog IF register

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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>
This commit is contained in:
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)));